---
_id: '25946'
abstract:
- lang: eng
  text: The synthesis of a periodically ordered, nanostructured composite consisting
    of CoFe2O4 and BaTiO3 is presented. In a first step, mesoporous CoFe2O4 is prepared
    by the structure replication method (nanocasting) using mesoporous KIT-6 silica
    as a structural mold. Subsequently, BaTiO3 is created inside the pores of CoFe2O4
    by the citrate route, resulting in a well-ordered composite material of both phases.
    The two components are known for their distinct ferroic properties, namely ferrimagnetism
    (CoFe2O4) and ferroelectricity (BaTiO3), respectively. Therefore, this proof of
    synthesis concept offers new perspectives in the fabrication of composite materials
    with multiferroic properties.
article_type: original
author:
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Christian
  full_name: Lüder, Christian
  last_name: Lüder
- first_name: Till
  full_name: Walther, Till
  last_name: Walther
- first_name: Roberto
  full_name: Köferstein, Roberto
  last_name: Köferstein
- first_name: Stefan G.
  full_name: Ebbinghaus, Stefan G.
  last_name: Ebbinghaus
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Haffer S, Lüder C, Walther T, Köferstein R, Ebbinghaus SG, Tiemann M. A synthesis
    concept for a nanostructured CoFe2O4/BaTiO3 composite: Towards multiferroics.
    <i>Microporous and Mesoporous Materials</i>. Published online 2014:300-304. doi:<a
    href="https://doi.org/10.1016/j.micromeso.2014.05.023">10.1016/j.micromeso.2014.05.023</a>'
  apa: 'Haffer, S., Lüder, C., Walther, T., Köferstein, R., Ebbinghaus, S. G., &#38;
    Tiemann, M. (2014). A synthesis concept for a nanostructured CoFe2O4/BaTiO3 composite:
    Towards multiferroics. <i>Microporous and Mesoporous Materials</i>, 300–304. <a
    href="https://doi.org/10.1016/j.micromeso.2014.05.023">https://doi.org/10.1016/j.micromeso.2014.05.023</a>'
  bibtex: '@article{Haffer_Lüder_Walther_Köferstein_Ebbinghaus_Tiemann_2014, title={A
    synthesis concept for a nanostructured CoFe2O4/BaTiO3 composite: Towards multiferroics},
    DOI={<a href="https://doi.org/10.1016/j.micromeso.2014.05.023">10.1016/j.micromeso.2014.05.023</a>},
    journal={Microporous and Mesoporous Materials}, author={Haffer, Stefanie and Lüder,
    Christian and Walther, Till and Köferstein, Roberto and Ebbinghaus, Stefan G.
    and Tiemann, Michael}, year={2014}, pages={300–304} }'
  chicago: 'Haffer, Stefanie, Christian Lüder, Till Walther, Roberto Köferstein, Stefan
    G. Ebbinghaus, and Michael Tiemann. “A Synthesis Concept for a Nanostructured
    CoFe2O4/BaTiO3 Composite: Towards Multiferroics.” <i>Microporous and Mesoporous
    Materials</i>, 2014, 300–304. <a href="https://doi.org/10.1016/j.micromeso.2014.05.023">https://doi.org/10.1016/j.micromeso.2014.05.023</a>.'
  ieee: 'S. Haffer, C. Lüder, T. Walther, R. Köferstein, S. G. Ebbinghaus, and M.
    Tiemann, “A synthesis concept for a nanostructured CoFe2O4/BaTiO3 composite: Towards
    multiferroics,” <i>Microporous and Mesoporous Materials</i>, pp. 300–304, 2014,
    doi: <a href="https://doi.org/10.1016/j.micromeso.2014.05.023">10.1016/j.micromeso.2014.05.023</a>.'
  mla: 'Haffer, Stefanie, et al. “A Synthesis Concept for a Nanostructured CoFe2O4/BaTiO3
    Composite: Towards Multiferroics.” <i>Microporous and Mesoporous Materials</i>,
    2014, pp. 300–04, doi:<a href="https://doi.org/10.1016/j.micromeso.2014.05.023">10.1016/j.micromeso.2014.05.023</a>.'
  short: S. Haffer, C. Lüder, T. Walther, R. Köferstein, S.G. Ebbinghaus, M. Tiemann,
    Microporous and Mesoporous Materials (2014) 300–304.
date_created: 2021-10-08T15:54:53Z
date_updated: 2023-03-08T10:32:10Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.micromeso.2014.05.023
language:
- iso: eng
page: 300-304
publication: Microporous and Mesoporous Materials
publication_identifier:
  issn:
  - 1387-1811
publication_status: published
quality_controlled: '1'
status: public
title: 'A synthesis concept for a nanostructured CoFe2O4/BaTiO3 composite: Towards
  multiferroics'
type: journal_article
user_id: '23547'
year: '2014'
...
---
_id: '25948'
abstract:
- lang: eng
  text: Ordered mesoporous silica phases (e.g. KIT-6, SBA-15) are used as structure
    matrices for negative replica structures of mesoporous In2O3. We present a detailed
    study on how the controlled synthesis of mono-, bi- and trimodal pore systems
    in the products is accomplished by systematic variation of the procedure of infiltrating
    a precursor species (In(NO3)3) into the pores of the silica matrix and subsequent
    thermal conversion into In2O3. Melt impregnation and conversion in a closed reactor
    facilitates a one-step casting process for ordered mesoporous indium oxide (In2O3).
    We present a model based on variation of the pore filling.
article_type: original
author:
- first_name: Dominik
  full_name: Klaus, Dominik
  last_name: Klaus
- first_name: Sabrina
  full_name: Amrehn, Sabrina
  last_name: Amrehn
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
citation:
  ama: 'Klaus D, Amrehn S, Tiemann M, Wagner T. One-step synthesis of multi-modal
    pore systems in mesoporous In2O3: A detailed study. <i>Microporous and Mesoporous
    Materials</i>. Published online 2014:133-139. doi:<a href="https://doi.org/10.1016/j.micromeso.2014.01.007">10.1016/j.micromeso.2014.01.007</a>'
  apa: 'Klaus, D., Amrehn, S., Tiemann, M., &#38; Wagner, T. (2014). One-step synthesis
    of multi-modal pore systems in mesoporous In2O3: A detailed study. <i>Microporous
    and Mesoporous Materials</i>, 133–139. <a href="https://doi.org/10.1016/j.micromeso.2014.01.007">https://doi.org/10.1016/j.micromeso.2014.01.007</a>'
  bibtex: '@article{Klaus_Amrehn_Tiemann_Wagner_2014, title={One-step synthesis of
    multi-modal pore systems in mesoporous In2O3: A detailed study}, DOI={<a href="https://doi.org/10.1016/j.micromeso.2014.01.007">10.1016/j.micromeso.2014.01.007</a>},
    journal={Microporous and Mesoporous Materials}, author={Klaus, Dominik and Amrehn,
    Sabrina and Tiemann, Michael and Wagner, Thorsten}, year={2014}, pages={133–139}
    }'
  chicago: 'Klaus, Dominik, Sabrina Amrehn, Michael Tiemann, and Thorsten Wagner.
    “One-Step Synthesis of Multi-Modal Pore Systems in Mesoporous In2O3: A Detailed
    Study.” <i>Microporous and Mesoporous Materials</i>, 2014, 133–39. <a href="https://doi.org/10.1016/j.micromeso.2014.01.007">https://doi.org/10.1016/j.micromeso.2014.01.007</a>.'
  ieee: 'D. Klaus, S. Amrehn, M. Tiemann, and T. Wagner, “One-step synthesis of multi-modal
    pore systems in mesoporous In2O3: A detailed study,” <i>Microporous and Mesoporous
    Materials</i>, pp. 133–139, 2014, doi: <a href="https://doi.org/10.1016/j.micromeso.2014.01.007">10.1016/j.micromeso.2014.01.007</a>.'
  mla: 'Klaus, Dominik, et al. “One-Step Synthesis of Multi-Modal Pore Systems in
    Mesoporous In2O3: A Detailed Study.” <i>Microporous and Mesoporous Materials</i>,
    2014, pp. 133–39, doi:<a href="https://doi.org/10.1016/j.micromeso.2014.01.007">10.1016/j.micromeso.2014.01.007</a>.'
  short: D. Klaus, S. Amrehn, M. Tiemann, T. Wagner, Microporous and Mesoporous Materials
    (2014) 133–139.
date_created: 2021-10-08T15:56:54Z
date_updated: 2023-03-08T10:31:10Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.micromeso.2014.01.007
language:
- iso: eng
page: 133-139
publication: Microporous and Mesoporous Materials
publication_identifier:
  issn:
  - 1387-1811
publication_status: published
quality_controlled: '1'
status: public
title: 'One-step synthesis of multi-modal pore systems in mesoporous In2O3: A detailed
  study'
type: journal_article
user_id: '23547'
year: '2014'
...
---
_id: '25944'
abstract:
- lang: eng
  text: Recently indium oxide (In2O3) attracted attention as a material for sensing
    layers in semiconducting gas sensors. Compared to frequently investigated materials
    like tin dioxide (SnO2), tungsten trioxide (WO3), or gallium oxide (Ga2O3) indium
    oxide offers some unique properties. The most prominent one is its selectivity
    to oxidizing gases such as ozone (O3) or nitrogen dioxide (NO2) at low operating
    temperatures (<150°C). Combined with the photoreduction properties of nanocast,
    porous In2O3 highly selective sensing layers with a fast response can be prepared.
    In some cases even room temperature measurements are possible; therefore this
    material allows for designing low-power sensors without the need for special sensor
    substrates (e.g., μ-hotplates). Detailed analysis of the sensing mechanism reveals
    that known sensing models are not able to describe the observed effects. Therefore
    a new sensing model for ordered nanoporous In2O3 is presented which will be applicable
    for nonstructured material too.
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Nicola
  full_name: Donato, Nicola
  last_name: Donato
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Wagner T, Donato N, Tiemann M. New Sensing Model of (Mesoporous) In2O3. In:
    <i>Springer Series on Chemical Sensors and Biosensors</i>. ; 2014. doi:<a href="https://doi.org/10.1007/5346_2013_57">10.1007/5346_2013_57</a>'
  apa: Wagner, T., Donato, N., &#38; Tiemann, M. (2014). New Sensing Model of (Mesoporous)
    In2O3. In <i>Springer Series on Chemical Sensors and Biosensors</i>. <a href="https://doi.org/10.1007/5346_2013_57">https://doi.org/10.1007/5346_2013_57</a>
  bibtex: '@inbook{Wagner_Donato_Tiemann_2014, place={Berlin, Heidelberg}, title={New
    Sensing Model of (Mesoporous) In2O3}, DOI={<a href="https://doi.org/10.1007/5346_2013_57">10.1007/5346_2013_57</a>},
    booktitle={Springer Series on Chemical Sensors and Biosensors}, author={Wagner,
    Thorsten and Donato, Nicola and Tiemann, Michael}, year={2014} }'
  chicago: Wagner, Thorsten, Nicola Donato, and Michael Tiemann. “New Sensing Model
    of (Mesoporous) In2O3.” In <i>Springer Series on Chemical Sensors and Biosensors</i>.
    Berlin, Heidelberg, 2014. <a href="https://doi.org/10.1007/5346_2013_57">https://doi.org/10.1007/5346_2013_57</a>.
  ieee: T. Wagner, N. Donato, and M. Tiemann, “New Sensing Model of (Mesoporous) In2O3,”
    in <i>Springer Series on Chemical Sensors and Biosensors</i>, Berlin, Heidelberg,
    2014.
  mla: Wagner, Thorsten, et al. “New Sensing Model of (Mesoporous) In2O3.” <i>Springer
    Series on Chemical Sensors and Biosensors</i>, 2014, doi:<a href="https://doi.org/10.1007/5346_2013_57">10.1007/5346_2013_57</a>.
  short: 'T. Wagner, N. Donato, M. Tiemann, in: Springer Series on Chemical Sensors
    and Biosensors, Berlin, Heidelberg, 2014.'
date_created: 2021-10-08T15:52:23Z
date_updated: 2023-03-08T10:33:20Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1007/5346_2013_57
language:
- iso: eng
place: Berlin, Heidelberg
publication: Springer Series on Chemical Sensors and Biosensors
publication_identifier:
  issn:
  - 1612-7617
publication_status: published
quality_controlled: '1'
status: public
title: New Sensing Model of (Mesoporous) In2O3
type: book_chapter
user_id: '23547'
year: '2014'
...
---
_id: '25950'
abstract:
- lang: eng
  text: In this paper, the development and validation of a shield prototype for resistive
    sensor array characterization with Arduino UNO, a platform based on ATmega328
    microcontroller provided by ATMEL, is reported. The resistance variation of the
    sensor can be evaluated by properly choosing the capacitance value and by measuring
    the period (frequency) of a custom inverter-based oscillator. The GUI and the
    developed firmware are able to perform the real-time monitoring of the sensor
    responses. The developed shield is able to measure the response of up to six sensors
    under UV radiation by means of LED devices. First results carried out with resistive
    sensors based on mesoporous In2O3-based material under UV light exposure are reported.
author:
- first_name: D.
  full_name: Aloisio, D.
  last_name: Aloisio
- first_name: N.
  full_name: Donato, N.
  last_name: Donato
- first_name: G.
  full_name: Neri, G.
  last_name: Neri
- first_name: M.
  full_name: Latino, M.
  last_name: Latino
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: P. P.
  full_name: Capra, P. P.
  last_name: Capra
citation:
  ama: 'Aloisio D, Donato N, Neri G, et al. Arduino-Based Shield for Resistive Gas
    Sensor Array Characterization Under UV Light Exposure. In: <i>Lecture Notes in
    Electrical Engineering</i>. ; 2014. doi:<a href="https://doi.org/10.1007/978-3-319-00684-0_79">10.1007/978-3-319-00684-0_79</a>'
  apa: Aloisio, D., Donato, N., Neri, G., Latino, M., Wagner, T., Tiemann, M., &#38;
    Capra, P. P. (2014). Arduino-Based Shield for Resistive Gas Sensor Array Characterization
    Under UV Light Exposure. In <i>Lecture Notes in Electrical Engineering</i>. <a
    href="https://doi.org/10.1007/978-3-319-00684-0_79">https://doi.org/10.1007/978-3-319-00684-0_79</a>
  bibtex: '@inbook{Aloisio_Donato_Neri_Latino_Wagner_Tiemann_Capra_2014, place={Cham},
    title={Arduino-Based Shield for Resistive Gas Sensor Array Characterization Under
    UV Light Exposure}, DOI={<a href="https://doi.org/10.1007/978-3-319-00684-0_79">10.1007/978-3-319-00684-0_79</a>},
    booktitle={Lecture Notes in Electrical Engineering}, author={Aloisio, D. and Donato,
    N. and Neri, G. and Latino, M. and Wagner, T. and Tiemann, Michael and Capra,
    P. P.}, year={2014} }'
  chicago: Aloisio, D., N. Donato, G. Neri, M. Latino, T. Wagner, Michael Tiemann,
    and P. P. Capra. “Arduino-Based Shield for Resistive Gas Sensor Array Characterization
    Under UV Light Exposure.” In <i>Lecture Notes in Electrical Engineering</i>. Cham,
    2014. <a href="https://doi.org/10.1007/978-3-319-00684-0_79">https://doi.org/10.1007/978-3-319-00684-0_79</a>.
  ieee: D. Aloisio <i>et al.</i>, “Arduino-Based Shield for Resistive Gas Sensor Array
    Characterization Under UV Light Exposure,” in <i>Lecture Notes in Electrical Engineering</i>,
    Cham, 2014.
  mla: Aloisio, D., et al. “Arduino-Based Shield for Resistive Gas Sensor Array Characterization
    Under UV Light Exposure.” <i>Lecture Notes in Electrical Engineering</i>, 2014,
    doi:<a href="https://doi.org/10.1007/978-3-319-00684-0_79">10.1007/978-3-319-00684-0_79</a>.
  short: 'D. Aloisio, N. Donato, G. Neri, M. Latino, T. Wagner, M. Tiemann, P.P. Capra,
    in: Lecture Notes in Electrical Engineering, Cham, 2014.'
date_created: 2021-10-08T15:59:34Z
date_updated: 2023-03-08T10:33:43Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1007/978-3-319-00684-0_79
language:
- iso: eng
place: Cham
publication: Lecture Notes in Electrical Engineering
publication_identifier:
  issn:
  - 1876-1100
  - 1876-1119
publication_status: published
quality_controlled: '1'
status: public
title: Arduino-Based Shield for Resistive Gas Sensor Array Characterization Under
  UV Light Exposure
type: book_chapter
user_id: '23547'
year: '2014'
...
---
_id: '25949'
abstract:
- lang: eng
  text: Due to their unique properties, ordered mesoporous carbon (OMC) materials
    prepared by nanocasting have raised great attention in recent years. Their synthesis
    usually comprises multiple cycles of impregnating a porous structure matrix with
    an aqueous solution of a suitable precursor, such as sucrose or other, often hazardous,
    compound. We present a more straightforward variation of this method by using
    fructose as the precursor compound. By using a solvent-free melt of the precursor,
    the impregnation requires only a single step. After carbonization by thermal decomposition
    and removal of the mesoporous silica structure matrix (SBA-15), ordered mesoporous
    carbon with one (CMK-3) or two (CMK-5) pore modes in two-dimensional, hexagonal
    symmetry (p6mm) is obtained.
author:
- first_name: Christian
  full_name: Weinberger, Christian
  id: '11848'
  last_name: Weinberger
- first_name: S.
  full_name: Haffer, S.
  last_name: Haffer
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Weinberger C, Haffer S, Wagner T, Tiemann M. Fructose as a Precursor for Mesoporous
    Carbon: Straightforward Solvent-Free Synthesis by Nanocasting. In: <i>ACS Symposium
    Series</i>. ; 2014. doi:<a href="https://doi.org/10.1021/bk-2014-1183.ch001">10.1021/bk-2014-1183.ch001</a>'
  apa: 'Weinberger, C., Haffer, S., Wagner, T., &#38; Tiemann, M. (2014). Fructose
    as a Precursor for Mesoporous Carbon: Straightforward Solvent-Free Synthesis by
    Nanocasting. In <i>ACS Symposium Series</i>. <a href="https://doi.org/10.1021/bk-2014-1183.ch001">https://doi.org/10.1021/bk-2014-1183.ch001</a>'
  bibtex: '@inbook{Weinberger_Haffer_Wagner_Tiemann_2014, place={Washington, DC},
    title={Fructose as a Precursor for Mesoporous Carbon: Straightforward Solvent-Free
    Synthesis by Nanocasting}, DOI={<a href="https://doi.org/10.1021/bk-2014-1183.ch001">10.1021/bk-2014-1183.ch001</a>},
    booktitle={ACS Symposium Series}, author={Weinberger, Christian and Haffer, S.
    and Wagner, T. and Tiemann, Michael}, year={2014} }'
  chicago: 'Weinberger, Christian, S. Haffer, T. Wagner, and Michael Tiemann. “Fructose
    as a Precursor for Mesoporous Carbon: Straightforward Solvent-Free Synthesis by
    Nanocasting.” In <i>ACS Symposium Series</i>. Washington, DC, 2014. <a href="https://doi.org/10.1021/bk-2014-1183.ch001">https://doi.org/10.1021/bk-2014-1183.ch001</a>.'
  ieee: 'C. Weinberger, S. Haffer, T. Wagner, and M. Tiemann, “Fructose as a Precursor
    for Mesoporous Carbon: Straightforward Solvent-Free Synthesis by Nanocasting,”
    in <i>ACS Symposium Series</i>, Washington, DC, 2014.'
  mla: 'Weinberger, Christian, et al. “Fructose as a Precursor for Mesoporous Carbon:
    Straightforward Solvent-Free Synthesis by Nanocasting.” <i>ACS Symposium Series</i>,
    2014, doi:<a href="https://doi.org/10.1021/bk-2014-1183.ch001">10.1021/bk-2014-1183.ch001</a>.'
  short: 'C. Weinberger, S. Haffer, T. Wagner, M. Tiemann, in: ACS Symposium Series,
    Washington, DC, 2014.'
date_created: 2021-10-08T15:58:00Z
date_updated: 2023-03-08T10:32:48Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/bk-2014-1183.ch001
language:
- iso: eng
place: Washington, DC
publication: ACS Symposium Series
publication_identifier:
  issn:
  - 0097-6156
  - 1947-5918
publication_status: published
quality_controlled: '1'
status: public
title: 'Fructose as a Precursor for Mesoporous Carbon: Straightforward Solvent-Free
  Synthesis by Nanocasting'
type: book_chapter
user_id: '23547'
year: '2014'
...
---
_id: '25951'
abstract:
- lang: eng
  text: Nanoporous Materials, like carbons, silica and semiconducting metal oxides,
    play a major role in recent scientific research, especially in the fields of energy
    storage, catalysis, material separation and sensor technology. Thus, our aim is
    to focus on simple synthesis concepts for these materials, such as soft matter
    templating or nanocasting, which can be easily introduced by means of appropriate
    models in school chemistry education or school laboratories. In addition to facile
    and realizable syntheses in school, several experiments concerning catalysis and
    gas sensing will be presented, too. By these experiments the characteristics of
    nanoporous materials can be obviously demonstrated and additionally, these experiments
    can serve as a starting point for further experiments that could easily be developed
    by students themselves, particularly in relation to environmental issues.
article_type: original
author:
- first_name: Timm
  full_name: Wilke, Timm
  last_name: Wilke
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Christian
  full_name: Weinberger, Christian
  id: '11848'
  last_name: Weinberger
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Thomas
  full_name: Waitz, Thomas
  last_name: Waitz
citation:
  ama: 'Wilke T, Haffer S, Weinberger C, Tiemann M, Wagner T, Waitz T. Nanoporous
    Materials: Synthesis Concepts and Model Experiments for School Chemistry Education.
    <i>Journal of Nano Education</i>. Published online 2014:117-123. doi:<a href="https://doi.org/10.1166/jne.2014.1044">10.1166/jne.2014.1044</a>'
  apa: 'Wilke, T., Haffer, S., Weinberger, C., Tiemann, M., Wagner, T., &#38; Waitz,
    T. (2014). Nanoporous Materials: Synthesis Concepts and Model Experiments for
    School Chemistry Education. <i>Journal of Nano Education</i>, 117–123. <a href="https://doi.org/10.1166/jne.2014.1044">https://doi.org/10.1166/jne.2014.1044</a>'
  bibtex: '@article{Wilke_Haffer_Weinberger_Tiemann_Wagner_Waitz_2014, title={Nanoporous
    Materials: Synthesis Concepts and Model Experiments for School Chemistry Education},
    DOI={<a href="https://doi.org/10.1166/jne.2014.1044">10.1166/jne.2014.1044</a>},
    journal={Journal of Nano Education}, author={Wilke, Timm and Haffer, Stefanie
    and Weinberger, Christian and Tiemann, Michael and Wagner, Thorsten and Waitz,
    Thomas}, year={2014}, pages={117–123} }'
  chicago: 'Wilke, Timm, Stefanie Haffer, Christian Weinberger, Michael Tiemann, Thorsten
    Wagner, and Thomas Waitz. “Nanoporous Materials: Synthesis Concepts and Model
    Experiments for School Chemistry Education.” <i>Journal of Nano Education</i>,
    2014, 117–23. <a href="https://doi.org/10.1166/jne.2014.1044">https://doi.org/10.1166/jne.2014.1044</a>.'
  ieee: 'T. Wilke, S. Haffer, C. Weinberger, M. Tiemann, T. Wagner, and T. Waitz,
    “Nanoporous Materials: Synthesis Concepts and Model Experiments for School Chemistry
    Education,” <i>Journal of Nano Education</i>, pp. 117–123, 2014, doi: <a href="https://doi.org/10.1166/jne.2014.1044">10.1166/jne.2014.1044</a>.'
  mla: 'Wilke, Timm, et al. “Nanoporous Materials: Synthesis Concepts and Model Experiments
    for School Chemistry Education.” <i>Journal of Nano Education</i>, 2014, pp. 117–23,
    doi:<a href="https://doi.org/10.1166/jne.2014.1044">10.1166/jne.2014.1044</a>.'
  short: T. Wilke, S. Haffer, C. Weinberger, M. Tiemann, T. Wagner, T. Waitz, Journal
    of Nano Education (2014) 117–123.
date_created: 2021-10-08T16:00:26Z
date_updated: 2023-03-08T10:30:46Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1166/jne.2014.1044
language:
- iso: eng
page: 117-123
publication: Journal of Nano Education
publication_identifier:
  issn:
  - 1936-7449
publication_status: published
quality_controlled: '1'
status: public
title: 'Nanoporous Materials: Synthesis Concepts and Model Experiments for School
  Chemistry Education'
type: journal_article
user_id: '23547'
year: '2014'
...
---
_id: '25947'
abstract:
- lang: eng
  text: Ordered mesoporous carbon with a high heteroatom (N, O) content was prepared
    by nanocasting from a melt of a eutectic mixture of fructose and urea (60/40 wt.-%;
    melting temperature ca. 65 °C). These precursor compounds are cheap and environmentally
    friendly. The material possesses enhanced pore-wall surface polarity as compared
    to that of mesoporous carbon prepared by the same technique without urea. This
    was verified by water sorption analysis. As a result, the heteroatom-modified
    material shows higher sorption capacity for the uptake of heavy metal ions (Cu2+)
    from aqueous solution, which may be interesting for potential application in wastewater
    cleaning.
article_type: original
author:
- first_name: Christian
  full_name: Weinberger, Christian
  id: '11848'
  last_name: Weinberger
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Weinberger C, Haffer S, Wagner T, Tiemann M. Fructose and Urea as Precursors
    for N-/O-Modified Mesoporous Carbon with Enhanced Sorption Capacity for Heavy
    Metal Ions. <i>European Journal of Inorganic Chemistry</i>. Published online 2014:2787-2792.
    doi:<a href="https://doi.org/10.1002/ejic.201402027">10.1002/ejic.201402027</a>
  apa: Weinberger, C., Haffer, S., Wagner, T., &#38; Tiemann, M. (2014). Fructose
    and Urea as Precursors for N-/O-Modified Mesoporous Carbon with Enhanced Sorption
    Capacity for Heavy Metal Ions. <i>European Journal of Inorganic Chemistry</i>,
    2787–2792. <a href="https://doi.org/10.1002/ejic.201402027">https://doi.org/10.1002/ejic.201402027</a>
  bibtex: '@article{Weinberger_Haffer_Wagner_Tiemann_2014, title={Fructose and Urea
    as Precursors for N-/O-Modified Mesoporous Carbon with Enhanced Sorption Capacity
    for Heavy Metal Ions}, DOI={<a href="https://doi.org/10.1002/ejic.201402027">10.1002/ejic.201402027</a>},
    journal={European Journal of Inorganic Chemistry}, author={Weinberger, Christian
    and Haffer, Stefanie and Wagner, Thorsten and Tiemann, Michael}, year={2014},
    pages={2787–2792} }'
  chicago: Weinberger, Christian, Stefanie Haffer, Thorsten Wagner, and Michael Tiemann.
    “Fructose and Urea as Precursors for N-/O-Modified Mesoporous Carbon with Enhanced
    Sorption Capacity for Heavy Metal Ions.” <i>European Journal of Inorganic Chemistry</i>,
    2014, 2787–92. <a href="https://doi.org/10.1002/ejic.201402027">https://doi.org/10.1002/ejic.201402027</a>.
  ieee: 'C. Weinberger, S. Haffer, T. Wagner, and M. Tiemann, “Fructose and Urea as
    Precursors for N-/O-Modified Mesoporous Carbon with Enhanced Sorption Capacity
    for Heavy Metal Ions,” <i>European Journal of Inorganic Chemistry</i>, pp. 2787–2792,
    2014, doi: <a href="https://doi.org/10.1002/ejic.201402027">10.1002/ejic.201402027</a>.'
  mla: Weinberger, Christian, et al. “Fructose and Urea as Precursors for N-/O-Modified
    Mesoporous Carbon with Enhanced Sorption Capacity for Heavy Metal Ions.” <i>European
    Journal of Inorganic Chemistry</i>, 2014, pp. 2787–92, doi:<a href="https://doi.org/10.1002/ejic.201402027">10.1002/ejic.201402027</a>.
  short: C. Weinberger, S. Haffer, T. Wagner, M. Tiemann, European Journal of Inorganic
    Chemistry (2014) 2787–2792.
date_created: 2021-10-08T15:56:02Z
date_updated: 2023-03-08T10:30:23Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1002/ejic.201402027
language:
- iso: eng
page: 2787-2792
publication: European Journal of Inorganic Chemistry
publication_identifier:
  issn:
  - 1434-1948
publication_status: published
quality_controlled: '1'
status: public
title: Fructose and Urea as Precursors for N-/O-Modified Mesoporous Carbon with Enhanced
  Sorption Capacity for Heavy Metal Ions
type: journal_article
user_id: '23547'
year: '2014'
...
---
_id: '25954'
abstract:
- lang: eng
  text: The light-enhanced NO2 sensing behavior of mesoporous In2O3 is measured and
    interpreted by means of a new sensing model. The model aims at explaining (i)
    the drop in electronic resistance of n-type semiconducting In2O3 under UV light
    exposure, (ii) the light-enhanced reaction to oxidizing gases, and (iii) the faster
    reaction and regeneration in mesoporous In2O3 as compared to non-porous material.
    Contrary to the conventional double Schottky model the dominating factor for the
    change in resistance is a change of oxygen vacancy donor states (0.18 eV below
    the conduction band) in the bulk phase due to photoreduction, instead of chemisorption.
    For the faster reaction and regeneration we propose an explanation based on enhanced
    oxygen diffusion in the In2O3 crystal lattice, specifically dominant in the mesoporous
    structure. The response of ordered mesoporous In2O3 to NO2 is stronger than in
    case of unstructured bulk material (with an average grain size of ca. 40 nm).
    The reaction is significantly accelerated by illuminating the samples with UV
    light. However, the response of the mesoporous material is weaker in the illuminated
    case.
article_type: original
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Claus-Dieter
  full_name: Kohl, Claus-Dieter
  last_name: Kohl
- first_name: Cesare
  full_name: Malagù, Cesare
  last_name: Malagù
- first_name: Nicola
  full_name: Donato, Nicola
  last_name: Donato
- first_name: Mariangela
  full_name: Latino, Mariangela
  last_name: Latino
- first_name: Giovanni
  full_name: Neri, Giovanni
  last_name: Neri
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Wagner T, Kohl C-D, Malagù C, et al. UV light-enhanced NO2 sensing by mesoporous
    In2O3: Interpretation of results by a new sensing model. <i>Sensors and Actuators
    B: Chemical</i>. Published online 2013:488-494. doi:<a href="https://doi.org/10.1016/j.snb.2013.02.025">10.1016/j.snb.2013.02.025</a>'
  apa: 'Wagner, T., Kohl, C.-D., Malagù, C., Donato, N., Latino, M., Neri, G., &#38;
    Tiemann, M. (2013). UV light-enhanced NO2 sensing by mesoporous In2O3: Interpretation
    of results by a new sensing model. <i>Sensors and Actuators B: Chemical</i>, 488–494.
    <a href="https://doi.org/10.1016/j.snb.2013.02.025">https://doi.org/10.1016/j.snb.2013.02.025</a>'
  bibtex: '@article{Wagner_Kohl_Malagù_Donato_Latino_Neri_Tiemann_2013, title={UV
    light-enhanced NO2 sensing by mesoporous In2O3: Interpretation of results by a
    new sensing model}, DOI={<a href="https://doi.org/10.1016/j.snb.2013.02.025">10.1016/j.snb.2013.02.025</a>},
    journal={Sensors and Actuators B: Chemical}, author={Wagner, Thorsten and Kohl,
    Claus-Dieter and Malagù, Cesare and Donato, Nicola and Latino, Mariangela and
    Neri, Giovanni and Tiemann, Michael}, year={2013}, pages={488–494} }'
  chicago: 'Wagner, Thorsten, Claus-Dieter Kohl, Cesare Malagù, Nicola Donato, Mariangela
    Latino, Giovanni Neri, and Michael Tiemann. “UV Light-Enhanced NO2 Sensing by
    Mesoporous In2O3: Interpretation of Results by a New Sensing Model.” <i>Sensors
    and Actuators B: Chemical</i>, 2013, 488–94. <a href="https://doi.org/10.1016/j.snb.2013.02.025">https://doi.org/10.1016/j.snb.2013.02.025</a>.'
  ieee: 'T. Wagner <i>et al.</i>, “UV light-enhanced NO2 sensing by mesoporous In2O3:
    Interpretation of results by a new sensing model,” <i>Sensors and Actuators B:
    Chemical</i>, pp. 488–494, 2013, doi: <a href="https://doi.org/10.1016/j.snb.2013.02.025">10.1016/j.snb.2013.02.025</a>.'
  mla: 'Wagner, Thorsten, et al. “UV Light-Enhanced NO2 Sensing by Mesoporous In2O3:
    Interpretation of Results by a New Sensing Model.” <i>Sensors and Actuators B:
    Chemical</i>, 2013, pp. 488–94, doi:<a href="https://doi.org/10.1016/j.snb.2013.02.025">10.1016/j.snb.2013.02.025</a>.'
  short: 'T. Wagner, C.-D. Kohl, C. Malagù, N. Donato, M. Latino, G. Neri, M. Tiemann,
    Sensors and Actuators B: Chemical (2013) 488–494.'
date_created: 2021-10-09T04:43:40Z
date_updated: 2023-03-08T10:34:05Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.snb.2013.02.025
language:
- iso: eng
page: 488-494
publication: 'Sensors and Actuators B: Chemical'
publication_identifier:
  issn:
  - 0925-4005
publication_status: published
quality_controlled: '1'
status: public
title: 'UV light-enhanced NO2 sensing by mesoporous In2O3: Interpretation of results
  by a new sensing model'
type: journal_article
user_id: '23547'
year: '2013'
...
---
_id: '25953'
abstract:
- lang: eng
  text: Nanostructure-related magnetic properties are investigated systematically
    for various mesoporous cobalt oxide (Co3O4) and cobalt ferrite (CoFe2O4) spinel
    phases. Synthesis of the materials by nanocasting offers the opportunity to obtain
    materials which are different from each other with respect to both specific surface
    area and crystallite size. As a result, the respective contributions of two types
    of interfaces, namely, “solid–gas” and “solid–solid” interfaces, to the magnetic
    ordering can be distinguished. Structural characterization of the porous materials
    by X-ray diffraction, N2 physisorption, and electron microscopy as well as investigation
    of the magnetic behavior (field-dependent magnetization and temperature-dependent
    susceptibility) are presented.
article_type: original
author:
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Till
  full_name: Walther, Till
  last_name: Walther
- first_name: Roberto
  full_name: Köferstein, Roberto
  last_name: Köferstein
- first_name: Stefan G.
  full_name: Ebbinghaus, Stefan G.
  last_name: Ebbinghaus
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Haffer S, Walther T, Köferstein R, Ebbinghaus SG, Tiemann M. Nanostructure-Related
    Magnetic Properties of Various Mesoporous Cobalt Oxide and Cobalt Ferrite Spinel
    Phases. <i>The Journal of Physical Chemistry C</i>. Published online 2013:24471-24478.
    doi:<a href="https://doi.org/10.1021/jp409058t">10.1021/jp409058t</a>
  apa: Haffer, S., Walther, T., Köferstein, R., Ebbinghaus, S. G., &#38; Tiemann,
    M. (2013). Nanostructure-Related Magnetic Properties of Various Mesoporous Cobalt
    Oxide and Cobalt Ferrite Spinel Phases. <i>The Journal of Physical Chemistry C</i>,
    24471–24478. <a href="https://doi.org/10.1021/jp409058t">https://doi.org/10.1021/jp409058t</a>
  bibtex: '@article{Haffer_Walther_Köferstein_Ebbinghaus_Tiemann_2013, title={Nanostructure-Related
    Magnetic Properties of Various Mesoporous Cobalt Oxide and Cobalt Ferrite Spinel
    Phases}, DOI={<a href="https://doi.org/10.1021/jp409058t">10.1021/jp409058t</a>},
    journal={The Journal of Physical Chemistry C}, author={Haffer, Stefanie and Walther,
    Till and Köferstein, Roberto and Ebbinghaus, Stefan G. and Tiemann, Michael},
    year={2013}, pages={24471–24478} }'
  chicago: Haffer, Stefanie, Till Walther, Roberto Köferstein, Stefan G. Ebbinghaus,
    and Michael Tiemann. “Nanostructure-Related Magnetic Properties of Various Mesoporous
    Cobalt Oxide and Cobalt Ferrite Spinel Phases.” <i>The Journal of Physical Chemistry
    C</i>, 2013, 24471–78. <a href="https://doi.org/10.1021/jp409058t">https://doi.org/10.1021/jp409058t</a>.
  ieee: 'S. Haffer, T. Walther, R. Köferstein, S. G. Ebbinghaus, and M. Tiemann, “Nanostructure-Related
    Magnetic Properties of Various Mesoporous Cobalt Oxide and Cobalt Ferrite Spinel
    Phases,” <i>The Journal of Physical Chemistry C</i>, pp. 24471–24478, 2013, doi:
    <a href="https://doi.org/10.1021/jp409058t">10.1021/jp409058t</a>.'
  mla: Haffer, Stefanie, et al. “Nanostructure-Related Magnetic Properties of Various
    Mesoporous Cobalt Oxide and Cobalt Ferrite Spinel Phases.” <i>The Journal of Physical
    Chemistry C</i>, 2013, pp. 24471–78, doi:<a href="https://doi.org/10.1021/jp409058t">10.1021/jp409058t</a>.
  short: S. Haffer, T. Walther, R. Köferstein, S.G. Ebbinghaus, M. Tiemann, The Journal
    of Physical Chemistry C (2013) 24471–24478.
date_created: 2021-10-09T04:42:49Z
date_updated: 2023-03-08T10:34:31Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/jp409058t
language:
- iso: eng
page: 24471-24478
publication: The Journal of Physical Chemistry C
publication_identifier:
  issn:
  - 1932-7447
  - 1932-7455
publication_status: published
quality_controlled: '1'
status: public
title: Nanostructure-Related Magnetic Properties of Various Mesoporous Cobalt Oxide
  and Cobalt Ferrite Spinel Phases
type: journal_article
user_id: '23547'
year: '2013'
...
---
_id: '25952'
abstract:
- lang: eng
  text: Ordered mesoporous materials have great potential in the field of gas sensing.
    Today various template-assisted synthesis methods facilitate the preparation of
    silica (SiO2) as well as numerous metal oxides with well-defined, uniform and
    regular pore systems. The unique nanostructural properties of such materials are
    particularly useful for their application as active layers in gas sensors based
    on various operating principles, such as capacitive, resistive, or optical sensing.
    This review summarizes the basic aspects of materials synthesis, discusses some
    structural properties relevant in gas sensing, and gives an overview of the literature
    on ordered mesoporous gas sensors.
article_type: review
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Christian
  full_name: Weinberger, Christian
  id: '11848'
  last_name: Weinberger
- first_name: Dominik
  full_name: Klaus, Dominik
  last_name: Klaus
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Wagner T, Haffer S, Weinberger C, Klaus D, Tiemann M. Mesoporous materials
    as gas sensors. <i>Chem Soc Rev</i>. Published online 2013:4036-4053. doi:<a href="https://doi.org/10.1039/c2cs35379b">10.1039/c2cs35379b</a>
  apa: Wagner, T., Haffer, S., Weinberger, C., Klaus, D., &#38; Tiemann, M. (2013).
    Mesoporous materials as gas sensors. <i>Chem. Soc. Rev.</i>, 4036–4053. <a href="https://doi.org/10.1039/c2cs35379b">https://doi.org/10.1039/c2cs35379b</a>
  bibtex: '@article{Wagner_Haffer_Weinberger_Klaus_Tiemann_2013, title={Mesoporous
    materials as gas sensors}, DOI={<a href="https://doi.org/10.1039/c2cs35379b">10.1039/c2cs35379b</a>},
    journal={Chem. Soc. Rev.}, author={Wagner, Thorsten and Haffer, Stefanie and Weinberger,
    Christian and Klaus, Dominik and Tiemann, Michael}, year={2013}, pages={4036–4053}
    }'
  chicago: Wagner, Thorsten, Stefanie Haffer, Christian Weinberger, Dominik Klaus,
    and Michael Tiemann. “Mesoporous Materials as Gas Sensors.” <i>Chem. Soc. Rev.</i>,
    2013, 4036–53. <a href="https://doi.org/10.1039/c2cs35379b">https://doi.org/10.1039/c2cs35379b</a>.
  ieee: 'T. Wagner, S. Haffer, C. Weinberger, D. Klaus, and M. Tiemann, “Mesoporous
    materials as gas sensors,” <i>Chem. Soc. Rev.</i>, pp. 4036–4053, 2013, doi: <a
    href="https://doi.org/10.1039/c2cs35379b">10.1039/c2cs35379b</a>.'
  mla: Wagner, Thorsten, et al. “Mesoporous Materials as Gas Sensors.” <i>Chem. Soc.
    Rev.</i>, 2013, pp. 4036–53, doi:<a href="https://doi.org/10.1039/c2cs35379b">10.1039/c2cs35379b</a>.
  short: T. Wagner, S. Haffer, C. Weinberger, D. Klaus, M. Tiemann, Chem. Soc. Rev.
    (2013) 4036–4053.
date_created: 2021-10-09T04:41:29Z
date_updated: 2023-03-08T10:34:56Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1039/c2cs35379b
language:
- iso: eng
page: 4036-4053
publication: Chem. Soc. Rev.
publication_identifier:
  issn:
  - 0306-0012
  - 1460-4744
publication_status: published
quality_controlled: '1'
status: public
title: Mesoporous materials as gas sensors
type: journal_article
user_id: '23547'
year: '2013'
...
---
_id: '54994'
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Claus-Dieter
  full_name: Kohl, Claus-Dieter
  last_name: Kohl
- first_name: Sara
  full_name: Morandi, Sara
  last_name: Morandi
- first_name: Cesare
  full_name: Malagù, Cesare
  last_name: Malagù
- first_name: Nicola
  full_name: Donato, Nicola
  last_name: Donato
- first_name: Mariangela
  full_name: Latino, Mariangela
  last_name: Latino
- first_name: Giovanni
  full_name: Neri, Giovanni
  last_name: Neri
citation:
  ama: 'Wagner T, Tiemann M, Kohl C-D, et al. Mechanistic Model for UV light-enhanced
    NO2 Sensing utilizing Ordered Mesoporous In2O3. In: <i>Proceedings IMCS 2012</i>.
    AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany; 2012. doi:<a
    href="https://doi.org/10.5162/imcs2012/p1.3.17">10.5162/imcs2012/p1.3.17</a>'
  apa: Wagner, T., Tiemann, M., Kohl, C.-D., Morandi, S., Malagù, C., Donato, N.,
    Latino, M., &#38; Neri, G. (2012). Mechanistic Model for UV light-enhanced NO2
    Sensing utilizing Ordered Mesoporous In2O3. <i>Proceedings IMCS 2012</i>. <a href="https://doi.org/10.5162/imcs2012/p1.3.17">https://doi.org/10.5162/imcs2012/p1.3.17</a>
  bibtex: '@inproceedings{Wagner_Tiemann_Kohl_Morandi_Malagù_Donato_Latino_Neri_2012,
    title={Mechanistic Model for UV light-enhanced NO2 Sensing utilizing Ordered Mesoporous
    In2O3}, DOI={<a href="https://doi.org/10.5162/imcs2012/p1.3.17">10.5162/imcs2012/p1.3.17</a>},
    booktitle={Proceedings IMCS 2012}, publisher={AMA Service GmbH, Von-Münchhausen-Str.
    49, 31515 Wunstorf, Germany}, author={Wagner, Thorsten and Tiemann, Michael and
    Kohl, Claus-Dieter and Morandi, Sara and Malagù, Cesare and Donato, Nicola and
    Latino, Mariangela and Neri, Giovanni}, year={2012} }'
  chicago: Wagner, Thorsten, Michael Tiemann, Claus-Dieter Kohl, Sara Morandi, Cesare
    Malagù, Nicola Donato, Mariangela Latino, and Giovanni Neri. “Mechanistic Model
    for UV Light-Enhanced NO2 Sensing Utilizing Ordered Mesoporous In2O3.” In <i>Proceedings
    IMCS 2012</i>. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany,
    2012. <a href="https://doi.org/10.5162/imcs2012/p1.3.17">https://doi.org/10.5162/imcs2012/p1.3.17</a>.
  ieee: 'T. Wagner <i>et al.</i>, “Mechanistic Model for UV light-enhanced NO2 Sensing
    utilizing Ordered Mesoporous In2O3,” 2012, doi: <a href="https://doi.org/10.5162/imcs2012/p1.3.17">10.5162/imcs2012/p1.3.17</a>.'
  mla: Wagner, Thorsten, et al. “Mechanistic Model for UV Light-Enhanced NO2 Sensing
    Utilizing Ordered Mesoporous In2O3.” <i>Proceedings IMCS 2012</i>, AMA Service
    GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012, doi:<a href="https://doi.org/10.5162/imcs2012/p1.3.17">10.5162/imcs2012/p1.3.17</a>.
  short: 'T. Wagner, M. Tiemann, C.-D. Kohl, S. Morandi, C. Malagù, N. Donato, M.
    Latino, G. Neri, in: Proceedings IMCS 2012, AMA Service GmbH, Von-Münchhausen-Str.
    49, 31515 Wunstorf, Germany, 2012.'
date_created: 2024-07-03T07:40:35Z
date_updated: 2024-07-03T07:42:49Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.5162/imcs2012/p1.3.17
language:
- iso: eng
publication: Proceedings IMCS 2012
publication_status: published
publisher: AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany
status: public
title: Mechanistic Model for UV light-enhanced NO2 Sensing utilizing Ordered Mesoporous
  In2O3
type: conference
user_id: '23547'
year: '2012'
...
---
_id: '54995'
author:
- first_name: Dominik
  full_name: Klaus, Dominik
  last_name: Klaus
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
citation:
  ama: 'Klaus D, Tiemann M, Wagner T. Nanostructured Metal Oxides for High-Temperature
    Gas Sensing: Structural Stabilization in Porous Metal Oxides. In: <i>Proceedings
    IMCS 2012</i>. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany;
    2012. doi:<a href="https://doi.org/10.5162/imcs2012/p2.0.3">10.5162/imcs2012/p2.0.3</a>'
  apa: 'Klaus, D., Tiemann, M., &#38; Wagner, T. (2012). Nanostructured Metal Oxides
    for High-Temperature Gas Sensing: Structural Stabilization in Porous Metal Oxides.
    <i>Proceedings IMCS 2012</i>. <a href="https://doi.org/10.5162/imcs2012/p2.0.3">https://doi.org/10.5162/imcs2012/p2.0.3</a>'
  bibtex: '@inproceedings{Klaus_Tiemann_Wagner_2012, title={Nanostructured Metal Oxides
    for High-Temperature Gas Sensing: Structural Stabilization in Porous Metal Oxides},
    DOI={<a href="https://doi.org/10.5162/imcs2012/p2.0.3">10.5162/imcs2012/p2.0.3</a>},
    booktitle={Proceedings IMCS 2012}, publisher={AMA Service GmbH, Von-Münchhausen-Str.
    49, 31515 Wunstorf, Germany}, author={Klaus, Dominik and Tiemann, Michael and
    Wagner, Thorsten}, year={2012} }'
  chicago: 'Klaus, Dominik, Michael Tiemann, and Thorsten Wagner. “Nanostructured
    Metal Oxides for High-Temperature Gas Sensing: Structural Stabilization in Porous
    Metal Oxides.” In <i>Proceedings IMCS 2012</i>. AMA Service GmbH, Von-Münchhausen-Str.
    49, 31515 Wunstorf, Germany, 2012. <a href="https://doi.org/10.5162/imcs2012/p2.0.3">https://doi.org/10.5162/imcs2012/p2.0.3</a>.'
  ieee: 'D. Klaus, M. Tiemann, and T. Wagner, “Nanostructured Metal Oxides for High-Temperature
    Gas Sensing: Structural Stabilization in Porous Metal Oxides,” 2012, doi: <a href="https://doi.org/10.5162/imcs2012/p2.0.3">10.5162/imcs2012/p2.0.3</a>.'
  mla: 'Klaus, Dominik, et al. “Nanostructured Metal Oxides for High-Temperature Gas
    Sensing: Structural Stabilization in Porous Metal Oxides.” <i>Proceedings IMCS
    2012</i>, AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany,
    2012, doi:<a href="https://doi.org/10.5162/imcs2012/p2.0.3">10.5162/imcs2012/p2.0.3</a>.'
  short: 'D. Klaus, M. Tiemann, T. Wagner, in: Proceedings IMCS 2012, AMA Service
    GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012.'
date_created: 2024-07-03T07:45:51Z
date_updated: 2024-07-03T07:46:55Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.5162/imcs2012/p2.0.3
language:
- iso: eng
publication: Proceedings IMCS 2012
publication_status: published
publisher: AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany
status: public
title: 'Nanostructured Metal Oxides for High-Temperature Gas Sensing: Structural Stabilization
  in Porous Metal Oxides'
type: conference
user_id: '23547'
year: '2012'
...
---
_id: '25960'
abstract:
- lang: eng
  text: We report on sensing properties of ordered mesoporous nanostructures of In2O3
    synthesized by nanocasting procedure towards NO2. The nanostructured material
    shows improved recover times and higher responses compared to non nanostructured
    material at low operating temperatures (100–150°C) thus allowing the use for low
    power NO2 sensors. These properties may be related to fast oxygen in and out propagation
    facilitated by an enhanced surface accessibility of the nanostructure.
author:
- first_name: Nicola
  full_name: Donato, Nicola
  last_name: Donato
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Thomas
  full_name: Waitz, Thomas
  last_name: Waitz
- first_name: Claus-Dieter
  full_name: Kohl, Claus-Dieter
  last_name: Kohl
- first_name: Mariangela
  full_name: Latino, Mariangela
  last_name: Latino
- first_name: Giovanni
  full_name: Neri, Giovanni
  last_name: Neri
- first_name: Donatella
  full_name: Spadaro, Donatella
  last_name: Spadaro
- first_name: Cesare
  full_name: Malagù, Cesare
  last_name: Malagù
citation:
  ama: 'Donato N, Wagner T, Tiemann M, et al. NO2 Sensors with Reduced Power Consumption
    Based on Mesoporous Indium Oxide. In: <i>Lecture Notes in Electrical Engineering</i>.
    ; 2012. doi:<a href="https://doi.org/10.1007/978-1-4614-0935-9_10">10.1007/978-1-4614-0935-9_10</a>'
  apa: Donato, N., Wagner, T., Tiemann, M., Waitz, T., Kohl, C.-D., Latino, M., Neri,
    G., Spadaro, D., &#38; Malagù, C. (2012). NO2 Sensors with Reduced Power Consumption
    Based on Mesoporous Indium Oxide. In <i>Lecture Notes in Electrical Engineering</i>.
    <a href="https://doi.org/10.1007/978-1-4614-0935-9_10">https://doi.org/10.1007/978-1-4614-0935-9_10</a>
  bibtex: '@inbook{Donato_Wagner_Tiemann_Waitz_Kohl_Latino_Neri_Spadaro_Malagù_2012,
    place={Boston, MA}, title={NO2 Sensors with Reduced Power Consumption Based on
    Mesoporous Indium Oxide}, DOI={<a href="https://doi.org/10.1007/978-1-4614-0935-9_10">10.1007/978-1-4614-0935-9_10</a>},
    booktitle={Lecture Notes in Electrical Engineering}, author={Donato, Nicola and
    Wagner, Thorsten and Tiemann, Michael and Waitz, Thomas and Kohl, Claus-Dieter
    and Latino, Mariangela and Neri, Giovanni and Spadaro, Donatella and Malagù, Cesare},
    year={2012} }'
  chicago: Donato, Nicola, Thorsten Wagner, Michael Tiemann, Thomas Waitz, Claus-Dieter
    Kohl, Mariangela Latino, Giovanni Neri, Donatella Spadaro, and Cesare Malagù.
    “NO2 Sensors with Reduced Power Consumption Based on Mesoporous Indium Oxide.”
    In <i>Lecture Notes in Electrical Engineering</i>. Boston, MA, 2012. <a href="https://doi.org/10.1007/978-1-4614-0935-9_10">https://doi.org/10.1007/978-1-4614-0935-9_10</a>.
  ieee: N. Donato <i>et al.</i>, “NO2 Sensors with Reduced Power Consumption Based
    on Mesoporous Indium Oxide,” in <i>Lecture Notes in Electrical Engineering</i>,
    Boston, MA, 2012.
  mla: Donato, Nicola, et al. “NO2 Sensors with Reduced Power Consumption Based on
    Mesoporous Indium Oxide.” <i>Lecture Notes in Electrical Engineering</i>, 2012,
    doi:<a href="https://doi.org/10.1007/978-1-4614-0935-9_10">10.1007/978-1-4614-0935-9_10</a>.
  short: 'N. Donato, T. Wagner, M. Tiemann, T. Waitz, C.-D. Kohl, M. Latino, G. Neri,
    D. Spadaro, C. Malagù, in: Lecture Notes in Electrical Engineering, Boston, MA,
    2012.'
date_created: 2021-10-09T04:52:32Z
date_updated: 2023-03-08T10:36:49Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1007/978-1-4614-0935-9_10
language:
- iso: eng
place: Boston, MA
publication: Lecture Notes in Electrical Engineering
publication_identifier:
  issn:
  - 1876-1100
  - 1876-1119
publication_status: published
quality_controlled: '1'
status: public
title: NO2 Sensors with Reduced Power Consumption Based on Mesoporous Indium Oxide
type: book_chapter
user_id: '23547'
year: '2012'
...
---
_id: '25956'
abstract:
- lang: eng
  text: A model is proposed for the drop in electronic resistance of n-type semiconducting
    indium oxide (In2O3) upon illumination with light (350 nm, 3.5 eV) as well as
    for the (light-enhanced) sensitivity of In2O3 to oxidizing gases. Essential features
    of the model are photoreduction and a rate-limiting oxygen-diffusion step. Ordered,
    mesoporous In2O3 with a high specific surface area serves as a versatile system
    for experimental studies. Analytical techniques comprise conductivity measurements
    under a controlled atmosphere (synthetic air, pure N2) and temperature-resolved
    in-situ Fourier transform infrared (FTIR) spectroscopy. IR measurements reveal
    that oxygen vacancies form a donor level 0.18 eV below the conduction band.
article_type: original
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Claus-Dieter
  full_name: Kohl, Claus-Dieter
  last_name: Kohl
- first_name: Sara
  full_name: Morandi, Sara
  last_name: Morandi
- first_name: Cesare
  full_name: Malagù, Cesare
  last_name: Malagù
- first_name: Nicola
  full_name: Donato, Nicola
  last_name: Donato
- first_name: Mariangela
  full_name: Latino, Mariangela
  last_name: Latino
- first_name: Giovanni
  full_name: Neri, Giovanni
  last_name: Neri
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Wagner T, Kohl C-D, Morandi S, et al. Photoreduction of Mesoporous In2O3:
    Mechanistic Model and Utility in Gas Sensing. <i>Chemistry - A European Journal</i>.
    Published online 2012:8216-8223. doi:<a href="https://doi.org/10.1002/chem.201103905">10.1002/chem.201103905</a>'
  apa: 'Wagner, T., Kohl, C.-D., Morandi, S., Malagù, C., Donato, N., Latino, M.,
    Neri, G., &#38; Tiemann, M. (2012). Photoreduction of Mesoporous In2O3: Mechanistic
    Model and Utility in Gas Sensing. <i>Chemistry - A European Journal</i>, 8216–8223.
    <a href="https://doi.org/10.1002/chem.201103905">https://doi.org/10.1002/chem.201103905</a>'
  bibtex: '@article{Wagner_Kohl_Morandi_Malagù_Donato_Latino_Neri_Tiemann_2012, title={Photoreduction
    of Mesoporous In2O3: Mechanistic Model and Utility in Gas Sensing}, DOI={<a href="https://doi.org/10.1002/chem.201103905">10.1002/chem.201103905</a>},
    journal={Chemistry - A European Journal}, author={Wagner, Thorsten and Kohl, Claus-Dieter
    and Morandi, Sara and Malagù, Cesare and Donato, Nicola and Latino, Mariangela
    and Neri, Giovanni and Tiemann, Michael}, year={2012}, pages={8216–8223} }'
  chicago: 'Wagner, Thorsten, Claus-Dieter Kohl, Sara Morandi, Cesare Malagù, Nicola
    Donato, Mariangela Latino, Giovanni Neri, and Michael Tiemann. “Photoreduction
    of Mesoporous In2O3: Mechanistic Model and Utility in Gas Sensing.” <i>Chemistry
    - A European Journal</i>, 2012, 8216–23. <a href="https://doi.org/10.1002/chem.201103905">https://doi.org/10.1002/chem.201103905</a>.'
  ieee: 'T. Wagner <i>et al.</i>, “Photoreduction of Mesoporous In2O3: Mechanistic
    Model and Utility in Gas Sensing,” <i>Chemistry - A European Journal</i>, pp.
    8216–8223, 2012, doi: <a href="https://doi.org/10.1002/chem.201103905">10.1002/chem.201103905</a>.'
  mla: 'Wagner, Thorsten, et al. “Photoreduction of Mesoporous In2O3: Mechanistic
    Model and Utility in Gas Sensing.” <i>Chemistry - A European Journal</i>, 2012,
    pp. 8216–23, doi:<a href="https://doi.org/10.1002/chem.201103905">10.1002/chem.201103905</a>.'
  short: T. Wagner, C.-D. Kohl, S. Morandi, C. Malagù, N. Donato, M. Latino, G. Neri,
    M. Tiemann, Chemistry - A European Journal (2012) 8216–8223.
date_created: 2021-10-09T04:45:45Z
date_updated: 2023-03-08T10:35:21Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1002/chem.201103905
language:
- iso: eng
page: 8216-8223
publication: Chemistry - A European Journal
publication_identifier:
  issn:
  - 0947-6539
publication_status: published
quality_controlled: '1'
status: public
title: 'Photoreduction of Mesoporous In2O3: Mechanistic Model and Utility in Gas Sensing'
type: journal_article
user_id: '23547'
year: '2012'
...
---
_id: '25957'
abstract:
- lang: eng
  text: Poröse Funktionsmaterialien wie halbleitende Metalloxide, Kohlenstoff-Formen
    oder auch Silica werden aktuell von verschiedenen Wissenschaftsdisziplinen intensiv
    für Bereiche der Energiespeicherung, Sensorik, Katalyse und Stofftrennung erforscht.
    Im Beitrag werden schwerpunktmäßig geordnet-mesoporöse Silica-Materialien behandelt,
    die seit etwa 20 Jahren synthetisch zugänglich sind. Neben den Grundlagen der
    Herstellung über ein Templat-Verfahren werden im Beitrag auch drei Experimente
    vorgestellt, die im Chemieunterricht oder Schülerlabor durchgeführt werden können.
    Zudem wird gezeigt, dass sich verschiedene Aspekte aus dem Kompetenzbereich Fachwissen
    mit Hilfe des Themas „Mesoporöse Silica“ miteinander vernetzen lassen.
article_type: original
author:
- first_name: Timm
  full_name: Wilke, Timm
  last_name: Wilke
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Thomas
  full_name: Waitz, Thomas
  last_name: Waitz
citation:
  ama: Wilke T, Haffer S, Tiemann M, Waitz T. Mesoporöse Silica - Moderne Funktionsmaterialien
    im Chemieunterricht. <i>CHEMKON</i>. Published online 2012:67-72. doi:<a href="https://doi.org/10.1002/ckon.201210170">10.1002/ckon.201210170</a>
  apa: Wilke, T., Haffer, S., Tiemann, M., &#38; Waitz, T. (2012). Mesoporöse Silica
    - Moderne Funktionsmaterialien im Chemieunterricht. <i>CHEMKON</i>, 67–72. <a
    href="https://doi.org/10.1002/ckon.201210170">https://doi.org/10.1002/ckon.201210170</a>
  bibtex: '@article{Wilke_Haffer_Tiemann_Waitz_2012, title={Mesoporöse Silica - Moderne
    Funktionsmaterialien im Chemieunterricht}, DOI={<a href="https://doi.org/10.1002/ckon.201210170">10.1002/ckon.201210170</a>},
    journal={CHEMKON}, author={Wilke, Timm and Haffer, Stefanie and Tiemann, Michael
    and Waitz, Thomas}, year={2012}, pages={67–72} }'
  chicago: Wilke, Timm, Stefanie Haffer, Michael Tiemann, and Thomas Waitz. “Mesoporöse
    Silica - Moderne Funktionsmaterialien Im Chemieunterricht.” <i>CHEMKON</i>, 2012,
    67–72. <a href="https://doi.org/10.1002/ckon.201210170">https://doi.org/10.1002/ckon.201210170</a>.
  ieee: 'T. Wilke, S. Haffer, M. Tiemann, and T. Waitz, “Mesoporöse Silica - Moderne
    Funktionsmaterialien im Chemieunterricht,” <i>CHEMKON</i>, pp. 67–72, 2012, doi:
    <a href="https://doi.org/10.1002/ckon.201210170">10.1002/ckon.201210170</a>.'
  mla: Wilke, Timm, et al. “Mesoporöse Silica - Moderne Funktionsmaterialien Im Chemieunterricht.”
    <i>CHEMKON</i>, 2012, pp. 67–72, doi:<a href="https://doi.org/10.1002/ckon.201210170">10.1002/ckon.201210170</a>.
  short: T. Wilke, S. Haffer, M. Tiemann, T. Waitz, CHEMKON (2012) 67–72.
date_created: 2021-10-09T04:46:42Z
date_updated: 2023-03-08T10:36:17Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1002/ckon.201210170
language:
- iso: eng
page: 67-72
publication: CHEMKON
publication_identifier:
  issn:
  - 0944-5846
publication_status: published
quality_controlled: '1'
status: public
title: Mesoporöse Silica - Moderne Funktionsmaterialien im Chemieunterricht
type: journal_article
user_id: '23547'
year: '2012'
...
---
_id: '25955'
abstract:
- lang: eng
  text: Crystalline, mesoporous alumina (Al2O3) materials with specific surface areas
    up to 400 m2 g–1 have been synthesized by means of structure replication (nanocasting)
    using CMK-8 carbon as a structure matrix. A crucial step during this synthesis
    procedure is the conversion of aluminum nitrate into aluminum hydroxide by treatment
    with ammonia vapor. The impact of this step was investigated in some detail. Prolonged
    vapor treatment has a positive impact on the crystallinity of the final Al2O3
    products but at the same time leads to loss of mesoscopic structural order and
    porosity.
article_type: original
author:
- first_name: Stefanie
  full_name: Haffer, Stefanie
  last_name: Haffer
- first_name: Christian
  full_name: Weinberger, Christian
  id: '11848'
  last_name: Weinberger
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Haffer S, Weinberger C, Tiemann M. Mesoporous Al2O3 by Nanocasting: Relationship
    between Crystallinity and Mesoscopic Order. <i>European Journal of Inorganic Chemistry</i>.
    Published online 2012:3283-3288. doi:<a href="https://doi.org/10.1002/ejic.201200131">10.1002/ejic.201200131</a>'
  apa: 'Haffer, S., Weinberger, C., &#38; Tiemann, M. (2012). Mesoporous Al2O3 by
    Nanocasting: Relationship between Crystallinity and Mesoscopic Order. <i>European
    Journal of Inorganic Chemistry</i>, 3283–3288. <a href="https://doi.org/10.1002/ejic.201200131">https://doi.org/10.1002/ejic.201200131</a>'
  bibtex: '@article{Haffer_Weinberger_Tiemann_2012, title={Mesoporous Al2O3 by Nanocasting:
    Relationship between Crystallinity and Mesoscopic Order}, DOI={<a href="https://doi.org/10.1002/ejic.201200131">10.1002/ejic.201200131</a>},
    journal={European Journal of Inorganic Chemistry}, author={Haffer, Stefanie and
    Weinberger, Christian and Tiemann, Michael}, year={2012}, pages={3283–3288} }'
  chicago: 'Haffer, Stefanie, Christian Weinberger, and Michael Tiemann. “Mesoporous
    Al2O3 by Nanocasting: Relationship between Crystallinity and Mesoscopic Order.”
    <i>European Journal of Inorganic Chemistry</i>, 2012, 3283–88. <a href="https://doi.org/10.1002/ejic.201200131">https://doi.org/10.1002/ejic.201200131</a>.'
  ieee: 'S. Haffer, C. Weinberger, and M. Tiemann, “Mesoporous Al2O3 by Nanocasting:
    Relationship between Crystallinity and Mesoscopic Order,” <i>European Journal
    of Inorganic Chemistry</i>, pp. 3283–3288, 2012, doi: <a href="https://doi.org/10.1002/ejic.201200131">10.1002/ejic.201200131</a>.'
  mla: 'Haffer, Stefanie, et al. “Mesoporous Al2O3 by Nanocasting: Relationship between
    Crystallinity and Mesoscopic Order.” <i>European Journal of Inorganic Chemistry</i>,
    2012, pp. 3283–88, doi:<a href="https://doi.org/10.1002/ejic.201200131">10.1002/ejic.201200131</a>.'
  short: S. Haffer, C. Weinberger, M. Tiemann, European Journal of Inorganic Chemistry
    (2012) 3283–3288.
date_created: 2021-10-09T04:44:45Z
date_updated: 2023-03-08T10:35:53Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1002/ejic.201200131
language:
- iso: eng
page: 3283-3288
publication: European Journal of Inorganic Chemistry
publication_identifier:
  issn:
  - 1434-1948
publication_status: published
quality_controlled: '1'
status: public
title: 'Mesoporous Al2O3 by Nanocasting: Relationship between Crystallinity and Mesoscopic
  Order'
type: journal_article
user_id: '23547'
year: '2012'
...
---
_id: '25965'
abstract:
- lang: eng
  text: Nanoporous ZnO powders with high surface-to-mass ratios (SMR) between 15 and
    70 m2 g−1 are synthesized, structurally characterized, and studied by time-resolved
    photoluminescence (PL). A strong dependence of the recombination dynamics and
    spectral width on SMR is observed at T = 10 K, and pronounced disorder-induced
    effects are found in the temperature dependence. Both the thermally induced shift
    of the PL maximum and the spectrally integrated PL intensity are interpreted by
    appropriate theoretical models. This consistent quantitative analysis of the experimental
    data yields a characteristic energy of 15 meV for the disorder scale in the nanoporous
    ZnO sample with an intermediate SMR.
article_type: original
author:
- first_name: Alexej
  full_name: Chernikov, Alexej
  last_name: Chernikov
- first_name: Swantje
  full_name: Horst, Swantje
  last_name: Horst
- first_name: Thomas
  full_name: Waitz, Thomas
  last_name: Waitz
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
- first_name: Sangam
  full_name: Chatterjee, Sangam
  last_name: Chatterjee
citation:
  ama: Chernikov A, Horst S, Waitz T, Tiemann M, Chatterjee S. Photoluminescence Properties
    of Ordered Mesoporous ZnO. <i>The Journal of Physical Chemistry C</i>. Published
    online 2011:1375-1379. doi:<a href="https://doi.org/10.1021/jp104293e">10.1021/jp104293e</a>
  apa: Chernikov, A., Horst, S., Waitz, T., Tiemann, M., &#38; Chatterjee, S. (2011).
    Photoluminescence Properties of Ordered Mesoporous ZnO. <i>The Journal of Physical
    Chemistry C</i>, 1375–1379. <a href="https://doi.org/10.1021/jp104293e">https://doi.org/10.1021/jp104293e</a>
  bibtex: '@article{Chernikov_Horst_Waitz_Tiemann_Chatterjee_2011, title={Photoluminescence
    Properties of Ordered Mesoporous ZnO}, DOI={<a href="https://doi.org/10.1021/jp104293e">10.1021/jp104293e</a>},
    journal={The Journal of Physical Chemistry C}, author={Chernikov, Alexej and Horst,
    Swantje and Waitz, Thomas and Tiemann, Michael and Chatterjee, Sangam}, year={2011},
    pages={1375–1379} }'
  chicago: Chernikov, Alexej, Swantje Horst, Thomas Waitz, Michael Tiemann, and Sangam
    Chatterjee. “Photoluminescence Properties of Ordered Mesoporous ZnO.” <i>The Journal
    of Physical Chemistry C</i>, 2011, 1375–79. <a href="https://doi.org/10.1021/jp104293e">https://doi.org/10.1021/jp104293e</a>.
  ieee: 'A. Chernikov, S. Horst, T. Waitz, M. Tiemann, and S. Chatterjee, “Photoluminescence
    Properties of Ordered Mesoporous ZnO,” <i>The Journal of Physical Chemistry C</i>,
    pp. 1375–1379, 2011, doi: <a href="https://doi.org/10.1021/jp104293e">10.1021/jp104293e</a>.'
  mla: Chernikov, Alexej, et al. “Photoluminescence Properties of Ordered Mesoporous
    ZnO.” <i>The Journal of Physical Chemistry C</i>, 2011, pp. 1375–79, doi:<a href="https://doi.org/10.1021/jp104293e">10.1021/jp104293e</a>.
  short: A. Chernikov, S. Horst, T. Waitz, M. Tiemann, S. Chatterjee, The Journal
    of Physical Chemistry C (2011) 1375–1379.
date_created: 2021-10-09T05:02:31Z
date_updated: 2023-03-09T08:31:28Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/jp104293e
language:
- iso: eng
page: 1375-1379
publication: The Journal of Physical Chemistry C
publication_identifier:
  issn:
  - 1932-7447
  - 1932-7455
publication_status: published
quality_controlled: '1'
status: public
title: Photoluminescence Properties of Ordered Mesoporous ZnO
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '25962'
abstract:
- lang: eng
  text: We report the correlation of the aging of Pd-doped SnO2 methane sensors with
    the change of the oxidation state of Pd. Mesoporous SnO2 doped with palladium
    species was prepared and exposed to different gas mixtures at high temperature
    (600 °C) to simulate long term usage. After each exposure step a fraction of the
    sample was cooled down to “freeze” the current oxidation state of Pd which was
    then analyzed by X-ray Absorption Near-Edge Spectroscopy (XANES) using the 'white
    line' (i.e. the absorption peak corresponding to the transition from the 2p3/2
    core level to unoccupied 4 d states) intensity of the L(III) edge as a probe for
    the oxidation state. The Pd oxidation state correlates with the response of the
    resistive SnO2 sensor to methane gas, as determined by measuring the gas response
    to different concentrations of methane. Samples treated with 5000 ppm methane
    in air show a significant reduction of Pd(II) to Pd(0), depending clearly on the
    carrier gas (synthetic air, pure nitrogen) and on the temperature (600 °C vs.
    300 °C).
article_type: original
author:
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: M.
  full_name: Bauer, M.
  last_name: Bauer
- first_name: T.
  full_name: Sauerwald, T.
  last_name: Sauerwald
- first_name: C.-D.
  full_name: Kohl, C.-D.
  last_name: Kohl
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Wagner T, Bauer M, Sauerwald T, Kohl C-D, Tiemann M. X-ray absorption near-edge
    spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection. <i>Thin Solid Films</i>. Published online
    2011:909-912. doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>
  apa: Wagner, T., Bauer, M., Sauerwald, T., Kohl, C.-D., &#38; Tiemann, M. (2011).
    X-ray absorption near-edge spectroscopy investigation of the oxidation state of
    Pd species in nanoporous SnO2 gas sensors for methane detection. <i>Thin Solid
    Films</i>, 909–912. <a href="https://doi.org/10.1016/j.tsf.2011.04.187">https://doi.org/10.1016/j.tsf.2011.04.187</a>
  bibtex: '@article{Wagner_Bauer_Sauerwald_Kohl_Tiemann_2011, title={X-ray absorption
    near-edge spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection}, DOI={<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>},
    journal={Thin Solid Films}, author={Wagner, T. and Bauer, M. and Sauerwald, T.
    and Kohl, C.-D. and Tiemann, Michael}, year={2011}, pages={909–912} }'
  chicago: Wagner, T., M. Bauer, T. Sauerwald, C.-D. Kohl, and Michael Tiemann. “X-Ray
    Absorption near-Edge Spectroscopy Investigation of the Oxidation State of Pd Species
    in Nanoporous SnO2 Gas Sensors for Methane Detection.” <i>Thin Solid Films</i>,
    2011, 909–12. <a href="https://doi.org/10.1016/j.tsf.2011.04.187">https://doi.org/10.1016/j.tsf.2011.04.187</a>.
  ieee: 'T. Wagner, M. Bauer, T. Sauerwald, C.-D. Kohl, and M. Tiemann, “X-ray absorption
    near-edge spectroscopy investigation of the oxidation state of Pd species in nanoporous
    SnO2 gas sensors for methane detection,” <i>Thin Solid Films</i>, pp. 909–912,
    2011, doi: <a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>.'
  mla: Wagner, T., et al. “X-Ray Absorption near-Edge Spectroscopy Investigation of
    the Oxidation State of Pd Species in Nanoporous SnO2 Gas Sensors for Methane Detection.”
    <i>Thin Solid Films</i>, 2011, pp. 909–12, doi:<a href="https://doi.org/10.1016/j.tsf.2011.04.187">10.1016/j.tsf.2011.04.187</a>.
  short: T. Wagner, M. Bauer, T. Sauerwald, C.-D. Kohl, M. Tiemann, Thin Solid Films
    (2011) 909–912.
date_created: 2021-10-09T04:59:31Z
date_updated: 2023-03-09T08:28:16Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.tsf.2011.04.187
language:
- iso: eng
page: 909-912
publication: Thin Solid Films
publication_identifier:
  issn:
  - 0040-6090
publication_status: published
quality_controlled: '1'
status: public
title: X-ray absorption near-edge spectroscopy investigation of the oxidation state
  of Pd species in nanoporous SnO2 gas sensors for methane detection
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '25964'
abstract:
- lang: eng
  text: Capacitive sensors are the most commonly used devices for the detection of
    humidity because they are inexpensive and the detection mechanism is very specific
    for humidity. However, especially for industrial processes, there is a lack of
    dielectrics that are stable at high temperature (>200 °C) and under harsh conditions.
    We present a capacitive sensor based on mesoporous silica as the dielectric in
    a simple sensor design based on pressed silica pellets. Investigation of the structural
    stability of the porous silica under simulated operating conditions as well as
    the influence of the pellet production will be shown. Impedance measurements demonstrate
    the utility of the sensor at both low (90 °C) and high (up to 210 °C) operating
    temperatures.
article_type: original
author:
- first_name: Thorsten
  full_name: Wagner, Thorsten
  last_name: Wagner
- first_name: Sören
  full_name: Krotzky, Sören
  last_name: Krotzky
- first_name: Alexander
  full_name: Weiß, Alexander
  last_name: Weiß
- first_name: Tilman
  full_name: Sauerwald, Tilman
  last_name: Sauerwald
- first_name: Claus-Dieter
  full_name: Kohl, Claus-Dieter
  last_name: Kohl
- first_name: Jan
  full_name: Roggenbuck, Jan
  last_name: Roggenbuck
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: Wagner T, Krotzky S, Weiß A, et al. A High Temperature Capacitive Humidity
    Sensor Based on Mesoporous Silica. <i>Sensors</i>. Published online 2011:3135-3144.
    doi:<a href="https://doi.org/10.3390/s110303135">10.3390/s110303135</a>
  apa: Wagner, T., Krotzky, S., Weiß, A., Sauerwald, T., Kohl, C.-D., Roggenbuck,
    J., &#38; Tiemann, M. (2011). A High Temperature Capacitive Humidity Sensor Based
    on Mesoporous Silica. <i>Sensors</i>, 3135–3144. <a href="https://doi.org/10.3390/s110303135">https://doi.org/10.3390/s110303135</a>
  bibtex: '@article{Wagner_Krotzky_Weiß_Sauerwald_Kohl_Roggenbuck_Tiemann_2011, title={A
    High Temperature Capacitive Humidity Sensor Based on Mesoporous Silica}, DOI={<a
    href="https://doi.org/10.3390/s110303135">10.3390/s110303135</a>}, journal={Sensors},
    author={Wagner, Thorsten and Krotzky, Sören and Weiß, Alexander and Sauerwald,
    Tilman and Kohl, Claus-Dieter and Roggenbuck, Jan and Tiemann, Michael}, year={2011},
    pages={3135–3144} }'
  chicago: Wagner, Thorsten, Sören Krotzky, Alexander Weiß, Tilman Sauerwald, Claus-Dieter
    Kohl, Jan Roggenbuck, and Michael Tiemann. “A High Temperature Capacitive Humidity
    Sensor Based on Mesoporous Silica.” <i>Sensors</i>, 2011, 3135–44. <a href="https://doi.org/10.3390/s110303135">https://doi.org/10.3390/s110303135</a>.
  ieee: 'T. Wagner <i>et al.</i>, “A High Temperature Capacitive Humidity Sensor Based
    on Mesoporous Silica,” <i>Sensors</i>, pp. 3135–3144, 2011, doi: <a href="https://doi.org/10.3390/s110303135">10.3390/s110303135</a>.'
  mla: Wagner, Thorsten, et al. “A High Temperature Capacitive Humidity Sensor Based
    on Mesoporous Silica.” <i>Sensors</i>, 2011, pp. 3135–44, doi:<a href="https://doi.org/10.3390/s110303135">10.3390/s110303135</a>.
  short: T. Wagner, S. Krotzky, A. Weiß, T. Sauerwald, C.-D. Kohl, J. Roggenbuck,
    M. Tiemann, Sensors (2011) 3135–3144.
date_created: 2021-10-09T05:01:29Z
date_updated: 2023-03-09T08:30:11Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.3390/s110303135
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://www.mdpi.com/1424-8220/11/3/3135/pdf?version=1403314474
oa: '1'
page: 3135-3144
publication: Sensors
publication_identifier:
  issn:
  - 1424-8220
publication_status: published
quality_controlled: '1'
status: public
title: A High Temperature Capacitive Humidity Sensor Based on Mesoporous Silica
type: journal_article
user_id: '23547'
year: '2011'
...
---
_id: '25963'
abstract:
- lang: eng
  text: We report the synthesis of mesoporous tin dioxide (SnO2) materials with well-defined
    particle morphology. The products consist of uniform spheres with a diameter of
    5 μm. The spheres are hierarchically porous with two distinct pore modes of 5.0
    nm and 52 nm, respectively. This special porosity is the result of a synthesis
    procedure which involves a ‘hard templating’ (nanocasting) process. The product
    forms an approximately homogeneous monolayer of spheres on a sensor substrate
    and shows promising response to methane gas with low cross-sensitivity to water.
    The structural properties and gas-sensing performance are compared with a mesoporous
    SnO2 material without defined morphology, prepared by a ‘soft templating’ procedure.
article_type: original
author:
- first_name: J.-H.
  full_name: Smått, J.-H.
  last_name: Smått
- first_name: M.
  full_name: Lindén, M.
  last_name: Lindén
- first_name: T.
  full_name: Wagner, T.
  last_name: Wagner
- first_name: C.-D.
  full_name: Kohl, C.-D.
  last_name: Kohl
- first_name: Michael
  full_name: Tiemann, Michael
  id: '23547'
  last_name: Tiemann
  orcid: 0000-0003-1711-2722
citation:
  ama: 'Smått J-H, Lindén M, Wagner T, Kohl C-D, Tiemann M. Micrometer-sized nanoporous
    tin dioxide spheres for gas sensing. <i>Sensors and Actuators B: Chemical</i>.
    Published online 2011:483-488. doi:<a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>'
  apa: 'Smått, J.-H., Lindén, M., Wagner, T., Kohl, C.-D., &#38; Tiemann, M. (2011).
    Micrometer-sized nanoporous tin dioxide spheres for gas sensing. <i>Sensors and
    Actuators B: Chemical</i>, 483–488. <a href="https://doi.org/10.1016/j.snb.2010.12.051">https://doi.org/10.1016/j.snb.2010.12.051</a>'
  bibtex: '@article{Smått_Lindén_Wagner_Kohl_Tiemann_2011, title={Micrometer-sized
    nanoporous tin dioxide spheres for gas sensing}, DOI={<a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>},
    journal={Sensors and Actuators B: Chemical}, author={Smått, J.-H. and Lindén,
    M. and Wagner, T. and Kohl, C.-D. and Tiemann, Michael}, year={2011}, pages={483–488}
    }'
  chicago: 'Smått, J.-H., M. Lindén, T. Wagner, C.-D. Kohl, and Michael Tiemann. “Micrometer-Sized
    Nanoporous Tin Dioxide Spheres for Gas Sensing.” <i>Sensors and Actuators B: Chemical</i>,
    2011, 483–88. <a href="https://doi.org/10.1016/j.snb.2010.12.051">https://doi.org/10.1016/j.snb.2010.12.051</a>.'
  ieee: 'J.-H. Smått, M. Lindén, T. Wagner, C.-D. Kohl, and M. Tiemann, “Micrometer-sized
    nanoporous tin dioxide spheres for gas sensing,” <i>Sensors and Actuators B: Chemical</i>,
    pp. 483–488, 2011, doi: <a href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>.'
  mla: 'Smått, J. H., et al. “Micrometer-Sized Nanoporous Tin Dioxide Spheres for
    Gas Sensing.” <i>Sensors and Actuators B: Chemical</i>, 2011, pp. 483–88, doi:<a
    href="https://doi.org/10.1016/j.snb.2010.12.051">10.1016/j.snb.2010.12.051</a>.'
  short: 'J.-H. Smått, M. Lindén, T. Wagner, C.-D. Kohl, M. Tiemann, Sensors and Actuators
    B: Chemical (2011) 483–488.'
date_created: 2021-10-09T05:00:31Z
date_updated: 2023-03-09T08:30:50Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.snb.2010.12.051
language:
- iso: eng
page: 483-488
publication: 'Sensors and Actuators B: Chemical'
publication_identifier:
  issn:
  - 0925-4005
publication_status: published
quality_controlled: '1'
status: public
title: Micrometer-sized nanoporous tin dioxide spheres for gas sensing
type: journal_article
user_id: '23547'
year: '2011'
...