---
_id: '24236'
abstract:
- lang: eng
text: In diesem Artikel werden das Scherzugverhalten und der morphologische Zustand
von konturgeschweißtem Polypropylen (PP) mit einem Massenanteil von 0,2% Ruß untersucht.
Dabei zeigen die Ergebnisse ...
article_type: original
author:
- first_name: Volker
full_name: Schöppner, Volker
id: '20530'
last_name: Schöppner
- first_name: Andrea
full_name: Wübbeke, Andrea
id: '12504'
last_name: Wübbeke
- first_name: 'Fabian '
full_name: 'Schriegel, Fabian '
last_name: Schriegel
- first_name: 'Andrej '
full_name: 'Paul, Andrej '
last_name: Paul
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: 'Bastian '
full_name: 'Geißler, Bastian '
last_name: Geißler
- first_name: 'Michael '
full_name: 'Schmidt, Michael '
last_name: Schmidt
- first_name: 'Arnaud '
full_name: 'Magnier, Arnaud '
last_name: Magnier
- first_name: 'Thomas '
full_name: 'Niendorf, Thomas '
last_name: Niendorf
citation:
ama: Schöppner V, Wübbeke A, Schriegel F, et al. Selected Aspects for the Assessment
of Laser Transmission Welding. Joining Plastics. Published online 2020:30-35.
apa: Schöppner, V., Wübbeke, A., Schriegel, F., Paul, A., Tiemann, M., Geißler,
B., Schmidt, M., Magnier, A., & Niendorf, T. (2020). Selected Aspects for
the Assessment of Laser Transmission Welding. Joining Plastics, 30–35.
bibtex: '@article{Schöppner_Wübbeke_Schriegel_Paul_Tiemann_Geißler_Schmidt_Magnier_Niendorf_2020,
title={Selected Aspects for the Assessment of Laser Transmission Welding}, journal={Joining
Plastics}, author={Schöppner, Volker and Wübbeke, Andrea and Schriegel, Fabian and
Paul, Andrej and Tiemann, Michael and Geißler, Bastian and Schmidt, Michael and
Magnier, Arnaud and Niendorf, Thomas }, year={2020}, pages={30–35} }'
chicago: Schöppner, Volker, Andrea Wübbeke, Fabian Schriegel, Andrej Paul, Michael
Tiemann, Bastian Geißler, Michael Schmidt, Arnaud Magnier, and Thomas Niendorf.
“Selected Aspects for the Assessment of Laser Transmission Welding.” Joining
Plastics, 2020, 30–35.
ieee: V. Schöppner et al., “Selected Aspects for the Assessment of Laser
Transmission Welding,” Joining Plastics, pp. 30–35, 2020.
mla: Schöppner, Volker, et al. “Selected Aspects for the Assessment of Laser Transmission
Welding.” Joining Plastics, 2020, pp. 30–35.
short: V. Schöppner, A. Wübbeke, F. Schriegel, A. Paul, M. Tiemann, B. Geißler,
M. Schmidt, A. Magnier, T. Niendorf, Joining Plastics (2020) 30–35.
date_created: 2021-09-13T08:43:53Z
date_updated: 2023-05-05T10:03:45Z
department:
- _id: '9'
- _id: '367'
- _id: '321'
- _id: '35'
- _id: '307'
- _id: '2'
language:
- iso: eng
page: 30-35
publication: Joining Plastics
quality_controlled: '1'
status: public
title: Selected Aspects for the Assessment of Laser Transmission Welding
type: journal_article
user_id: '14931'
year: '2020'
...
---
_id: '24100'
abstract:
- lang: eng
text: Zinc oxide (ZnO) hollow spheres with defined morphology and micro-/nanostructure
are prepared by a hydrothermal synthesis approach. The materials possess fine-leaved
structures at their particle surface (nanowall hollow micro spheres). Morphology
control is achieved by citric acid used as an additive in variable relative quantities
during the synthesis. The structure formation is studied by various time-dependent
ex situ methods, such as scanning electron microscopy, x-ray diffraction, and
Raman spectroscopy. The fine-leaved surface structure is characterized by high-resolution
transmission electron microscopy techniques (HRTEM, STEM), using a high-angle
annular dark field detector, as well as by differential phase contrast analysis.
In-depth structural characterization of the nanowalls by drop-by-drop ex situ
FE-SEM analysis provides insight into possible structure formation mechanisms.
Further investigation addresses the thermal stability of the particle morphology
and the enhancement of the surface-to-volume ratio by heat treatment (examined
by N2 physisorption).
article_type: original
author:
- first_name: Katja
full_name: Engelkemeier, Katja
id: '21743'
last_name: Engelkemeier
- first_name: Jörg
full_name: Lindner, Jörg
id: '20797'
last_name: Lindner
- first_name: Julius
full_name: Bürger, Julius
id: '46952'
last_name: Bürger
- first_name: Kathrin
full_name: Vaupel, Kathrin
last_name: Vaupel
- first_name: Marc
full_name: Hartmann, Marc
last_name: Hartmann
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: Kay-Peter
full_name: Hoyer, Kay-Peter
id: '48411'
last_name: Hoyer
- first_name: Mirko
full_name: Schaper, Mirko
id: '43720'
last_name: Schaper
citation:
ama: Engelkemeier K, Lindner J, Bürger J, et al. Nano-architectural complexity of
zinc oxide nanowall hollow microspheres and their structural properties. Nanotechnology.
2020;31:095701. doi:10.1088/1361-6528/ab55bc
apa: Engelkemeier, K., Lindner, J., Bürger, J., Vaupel, K., Hartmann, M., Tiemann,
M., Hoyer, K.-P., & Schaper, M. (2020). Nano-architectural complexity of zinc
oxide nanowall hollow microspheres and their structural properties. Nanotechnology,
31, 095701. https://doi.org/10.1088/1361-6528/ab55bc
bibtex: '@article{Engelkemeier_Lindner_Bürger_Vaupel_Hartmann_Tiemann_Hoyer_Schaper_2020,
title={Nano-architectural complexity of zinc oxide nanowall hollow microspheres
and their structural properties}, volume={31}, DOI={10.1088/1361-6528/ab55bc},
journal={Nanotechnology}, author={Engelkemeier, Katja and Lindner, Jörg and Bürger,
Julius and Vaupel, Kathrin and Hartmann, Marc and Tiemann, Michael and Hoyer,
Kay-Peter and Schaper, Mirko}, year={2020}, pages={095701} }'
chicago: 'Engelkemeier, Katja, Jörg Lindner, Julius Bürger, Kathrin Vaupel, Marc
Hartmann, Michael Tiemann, Kay-Peter Hoyer, and Mirko Schaper. “Nano-Architectural
Complexity of Zinc Oxide Nanowall Hollow Microspheres and Their Structural Properties.”
Nanotechnology 31 (2020): 095701. https://doi.org/10.1088/1361-6528/ab55bc.'
ieee: 'K. Engelkemeier et al., “Nano-architectural complexity of zinc oxide
nanowall hollow microspheres and their structural properties,” Nanotechnology,
vol. 31, p. 095701, 2020, doi: 10.1088/1361-6528/ab55bc.'
mla: Engelkemeier, Katja, et al. “Nano-Architectural Complexity of Zinc Oxide Nanowall
Hollow Microspheres and Their Structural Properties.” Nanotechnology, vol.
31, 2020, p. 095701, doi:10.1088/1361-6528/ab55bc.
short: K. Engelkemeier, J. Lindner, J. Bürger, K. Vaupel, M. Hartmann, M. Tiemann,
K.-P. Hoyer, M. Schaper, Nanotechnology 31 (2020) 095701.
date_created: 2021-09-10T06:49:55Z
date_updated: 2023-06-01T14:29:58Z
department:
- _id: '9'
- _id: '158'
- _id: '301'
- _id: '286'
- _id: '35'
- _id: '307'
- _id: '2'
doi: 10.1088/1361-6528/ab55bc
intvolume: ' 31'
language:
- iso: eng
page: '095701'
publication: Nanotechnology
publication_identifier:
issn:
- 0957-4484
- 1361-6528
publication_status: published
quality_controlled: '1'
status: public
title: Nano-architectural complexity of zinc oxide nanowall hollow microspheres and
their structural properties
type: journal_article
user_id: '43720'
volume: 31
year: '2020'
...
---
_id: '25907'
abstract:
- lang: eng
text: The combined benefits of moisture-stable phosphonic acids and mesoporous
silica materials (SBA-15 and MCM-41) as large-surface-area solid supports offer
new opportunities for several applications, such as catalysis or drug delivery.
We present a comprehensive study of a straightforward synthesis method via direct
immobilization of several phosphonic acids and phosphoric acid esters on various
mesoporous silicas in a Dean–Stark apparatus with toluene as the solvent. Due
to the utilization of azeotropic distillation, there was no need to dry phosphonic
acids, phosphoric acid esters, solvents, or silicas prior to synthesis. In addition
to modeling phosphonic acids, immobilization of the important biomolecule adenosine
monophosphate (AMP) on the porous supports was also investigated. Due to the high
surface area of the mesoporous silicas, a possible catalytic application based
on immobilization of an organocatalyst for an asymmetric aldol reaction is discussed.
article_number: '249'
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Tatjana
full_name: Heckel, Tatjana
last_name: Heckel
- first_name: Patrick
full_name: Schnippering, Patrick
last_name: Schnippering
- first_name: Markus
full_name: Schmitz, Markus
last_name: Schmitz
- first_name: Anpeng
full_name: Guo, Anpeng
last_name: Guo
- first_name: Waldemar
full_name: Keil, Waldemar
last_name: Keil
- first_name: Heinrich C.
full_name: Marsmann, Heinrich C.
last_name: Marsmann
- first_name: Claudia
full_name: Schmidt, Claudia
id: '466'
last_name: Schmidt
orcid: 0000-0003-3179-9997
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: René
full_name: Wilhelm, René
last_name: Wilhelm
citation:
ama: Weinberger C, Heckel T, Schnippering P, et al. Straightforward Immobilization
of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their
Application in an Asymmetric Aldol Reaction. Nanomaterials. Published online
2019. doi:10.3390/nano9020249
apa: Weinberger, C., Heckel, T., Schnippering, P., Schmitz, M., Guo, A., Keil, W.,
Marsmann, H. C., Schmidt, C., Tiemann, M., & Wilhelm, R. (2019). Straightforward
Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica
and Their Application in an Asymmetric Aldol Reaction. Nanomaterials, Article
249. https://doi.org/10.3390/nano9020249
bibtex: '@article{Weinberger_Heckel_Schnippering_Schmitz_Guo_Keil_Marsmann_Schmidt_Tiemann_Wilhelm_2019,
title={Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid
Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction},
DOI={10.3390/nano9020249}, number={249},
journal={Nanomaterials}, author={Weinberger, Christian and Heckel, Tatjana and
Schnippering, Patrick and Schmitz, Markus and Guo, Anpeng and Keil, Waldemar and
Marsmann, Heinrich C. and Schmidt, Claudia and Tiemann, Michael and Wilhelm, René},
year={2019} }'
chicago: Weinberger, Christian, Tatjana Heckel, Patrick Schnippering, Markus Schmitz,
Anpeng Guo, Waldemar Keil, Heinrich C. Marsmann, Claudia Schmidt, Michael Tiemann,
and René Wilhelm. “Straightforward Immobilization of Phosphonic Acids and Phosphoric
Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol
Reaction.” Nanomaterials, 2019. https://doi.org/10.3390/nano9020249.
ieee: 'C. Weinberger et al., “Straightforward Immobilization of Phosphonic
Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in
an Asymmetric Aldol Reaction,” Nanomaterials, Art. no. 249, 2019, doi:
10.3390/nano9020249.'
mla: Weinberger, Christian, et al. “Straightforward Immobilization of Phosphonic
Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in
an Asymmetric Aldol Reaction.” Nanomaterials, 249, 2019, doi:10.3390/nano9020249.
short: C. Weinberger, T. Heckel, P. Schnippering, M. Schmitz, A. Guo, W. Keil, H.C.
Marsmann, C. Schmidt, M. Tiemann, R. Wilhelm, Nanomaterials (2019).
date_created: 2021-10-08T10:44:56Z
date_updated: 2023-03-08T08:32:12Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
- _id: '315'
doi: 10.3390/nano9020249
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.mdpi.com/2079-4991/9/2/249/pdf?version=1550901386
oa: '1'
publication: Nanomaterials
publication_identifier:
issn:
- 2079-4991
publication_status: published
quality_controlled: '1'
status: public
title: Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters
on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction
type: journal_article
user_id: '23547'
year: '2019'
...
---
_id: '25904'
abstract:
- lang: eng
text: We examined the effect of CaCl2 and LiCl on ice melting in mesoporous silica
(MCM-41 and SBA-15 silica). For that purpose, we determined the ice melting temperature
in pores of various size (pore radii between 1.9 and 11.1 nm) in water and aqueous
solutions up to high total solute molality (up to about 12 mol kg–1) using differential
scanning calorimetry. We found that both electrolytes reduce the ice melting temperature
within the pores. An exception is the melting of ice in the smallest pores, which
does not seem to be affected by the presence of solutes, most likely owing to
an exclusion of the ions from entering the pores. For all other pores, we observed
that the ice melting temperature decreases as a function of pore size and electrolyte
concentration. Using thermodynamic considerations as well as additional experimental
data we developed a parametrization that can be used to predict the ice melting
point as a function of pore size and total solute molality. For that purpose,
we extended a formulation of the effective water activity of aqueous solutions
under mechanical pressure toward its application in confinement and tested this
new parametrization on literature data.
article_type: original
author:
- first_name: Evelyn
full_name: Jantsch, Evelyn
last_name: Jantsch
- 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: Thomas
full_name: Koop, Thomas
last_name: Koop
citation:
ama: Jantsch E, Weinberger C, Tiemann M, Koop T. Phase Transitions of Ice in Aqueous
Salt Solutions within Nanometer-Sized Pores. The Journal of Physical Chemistry
C. Published online 2019:24566-24574. doi:10.1021/acs.jpcc.9b06527
apa: Jantsch, E., Weinberger, C., Tiemann, M., & Koop, T. (2019). Phase Transitions
of Ice in Aqueous Salt Solutions within Nanometer-Sized Pores. The Journal
of Physical Chemistry C, 24566–24574. https://doi.org/10.1021/acs.jpcc.9b06527
bibtex: '@article{Jantsch_Weinberger_Tiemann_Koop_2019, title={Phase Transitions
of Ice in Aqueous Salt Solutions within Nanometer-Sized Pores}, DOI={10.1021/acs.jpcc.9b06527},
journal={The Journal of Physical Chemistry C}, author={Jantsch, Evelyn and Weinberger,
Christian and Tiemann, Michael and Koop, Thomas}, year={2019}, pages={24566–24574}
}'
chicago: Jantsch, Evelyn, Christian Weinberger, Michael Tiemann, and Thomas Koop.
“Phase Transitions of Ice in Aqueous Salt Solutions within Nanometer-Sized Pores.”
The Journal of Physical Chemistry C, 2019, 24566–74. https://doi.org/10.1021/acs.jpcc.9b06527.
ieee: 'E. Jantsch, C. Weinberger, M. Tiemann, and T. Koop, “Phase Transitions of
Ice in Aqueous Salt Solutions within Nanometer-Sized Pores,” The Journal of
Physical Chemistry C, pp. 24566–24574, 2019, doi: 10.1021/acs.jpcc.9b06527.'
mla: Jantsch, Evelyn, et al. “Phase Transitions of Ice in Aqueous Salt Solutions
within Nanometer-Sized Pores.” The Journal of Physical Chemistry C, 2019,
pp. 24566–74, doi:10.1021/acs.jpcc.9b06527.
short: E. Jantsch, C. Weinberger, M. Tiemann, T. Koop, The Journal of Physical Chemistry
C (2019) 24566–24574.
date_created: 2021-10-08T10:41:52Z
date_updated: 2023-03-08T08:31:45Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/acs.jpcc.9b06527
language:
- iso: eng
page: 24566-24574
publication: The Journal of Physical Chemistry C
publication_identifier:
issn:
- 1932-7447
- 1932-7455
publication_status: published
quality_controlled: '1'
status: public
title: Phase Transitions of Ice in Aqueous Salt Solutions within Nanometer-Sized Pores
type: journal_article
user_id: '23547'
year: '2019'
...
---
_id: '25905'
abstract:
- lang: eng
text: A nanocomposite material based on copper(II) oxide (CuO) and its utilization
as a highly selective and stable gas-responsive electrical switch for hydrogen
sulphide (H2S) detection is presented. The material can be applied as a sensitive
layer for H2S monitoring, e.g., in biogas gas plants. CuO nanoparticles are embedded
in a rigid, nanoporous silica (SiO2) matrix to form an electrical percolating
network of low conducting CuO and, upon exposure to H2S, highly conducting copper(II)
sulphide (CuS) particles. By steric hindrance due to the silica pore walls, the
structure of the network is maintained even though the reversible reaction of
CuO to CuS is accompanied by significant volume expansion. The conducting state
of the percolating network can be controlled by a variety of parameters, such
as temperature, electrode layout, and network topology of the porous silica matrix.
The latter means that this new type of sensing material has a structure-encoded
detection limit for H2S, which offers new application opportunities. The fabrication
process of the mesoporous CuO@SiO2 composite as well as the sensor design and
characteristics are described in detail. In addition, theoretical modeling of
the percolation effect by Monte-Carlo simulations yields deeper insight into the
underlying percolation mechanism and the observed response characteristics.
article_number: '1904505'
article_type: original
author:
- first_name: Andrej
full_name: Paul, Andrej
last_name: Paul
- first_name: Bertram
full_name: Schwind, Bertram
last_name: Schwind
- 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
citation:
ama: 'Paul A, Schwind B, Weinberger C, Tiemann M, Wagner T. Gas Responsive Nanoswitch:
Copper Oxide Composite for Highly Selective H2S Detection. Advanced Functional
Materials. Published online 2019. doi:10.1002/adfm.201904505'
apa: 'Paul, A., Schwind, B., Weinberger, C., Tiemann, M., & Wagner, T. (2019).
Gas Responsive Nanoswitch: Copper Oxide Composite for Highly Selective H2S Detection.
Advanced Functional Materials, Article 1904505. https://doi.org/10.1002/adfm.201904505'
bibtex: '@article{Paul_Schwind_Weinberger_Tiemann_Wagner_2019, title={Gas Responsive
Nanoswitch: Copper Oxide Composite for Highly Selective H2S Detection}, DOI={10.1002/adfm.201904505}, number={1904505},
journal={Advanced Functional Materials}, author={Paul, Andrej and Schwind, Bertram
and Weinberger, Christian and Tiemann, Michael and Wagner, Thorsten}, year={2019}
}'
chicago: 'Paul, Andrej, Bertram Schwind, Christian Weinberger, Michael Tiemann,
and Thorsten Wagner. “Gas Responsive Nanoswitch: Copper Oxide Composite for Highly
Selective H2S Detection.” Advanced Functional Materials, 2019. https://doi.org/10.1002/adfm.201904505.'
ieee: 'A. Paul, B. Schwind, C. Weinberger, M. Tiemann, and T. Wagner, “Gas Responsive
Nanoswitch: Copper Oxide Composite for Highly Selective H2S Detection,” Advanced
Functional Materials, Art. no. 1904505, 2019, doi: 10.1002/adfm.201904505.'
mla: 'Paul, Andrej, et al. “Gas Responsive Nanoswitch: Copper Oxide Composite for
Highly Selective H2S Detection.” Advanced Functional Materials, 1904505,
2019, doi:10.1002/adfm.201904505.'
short: A. Paul, B. Schwind, C. Weinberger, M. Tiemann, T. Wagner, Advanced Functional
Materials (2019).
date_created: 2021-10-08T10:42:50Z
date_updated: 2023-03-22T09:11:49Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1002/adfm.201904505
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://onlinelibrary.wiley.com/doi/epdf/10.1002/adfm.201904505
oa: '1'
publication: Advanced Functional Materials
publication_identifier:
issn:
- 1616-301X
- 1616-3028
publication_status: published
quality_controlled: '1'
status: public
title: 'Gas Responsive Nanoswitch: Copper Oxide Composite for Highly Selective H2S
Detection'
type: journal_article
user_id: '23547'
year: '2019'
...
---
_id: '25908'
abstract:
- lang: eng
text: Herein we present a new proton-conducting iron(II) metal–organic framework
(MOF) of an unusual structure formed by chains of alternating bistriazolate-p-benzoquinone
anions and iron(II) cations with four axially coordinated water molecules. These
chains assemble via π–π stacking between the aromatic units to form a three-dimensional
grid-like network with channel pores filled with water molecules. The material
was structurally characterized by single-crystal XRD analysis, and its water and
thermal stability was investigated. The proton conductivity was studied by impedance
measurements on needle-like single crystals. A simple but efficient measurement
setup consisting of interdigital electrodes was used. The influence of the crystal
orientation, temperature, and humidity was investigated. The iron(II)-MOF showed
the highest proton conductivity of 3.3·10–3 S cm–1 at 22 °C and 94% relative humidity.
Contrary to most known structures, the conductivity in this material is controlled
by chemical properties of the pore system rather than by grain boundaries. The
presented material is the starting point for further tailoring the proton-conducting
properties, independent of morphological features which could find potential applications
as membrane materials in proton-exchange membrane fuel cells.
article_type: original
author:
- first_name: Hana
full_name: Bunzen, Hana
last_name: Bunzen
- first_name: Ali
full_name: Javed, Ali
last_name: Javed
- first_name: Danielle
full_name: Klawinski, Danielle
last_name: Klawinski
- first_name: Anton
full_name: Lamp, Anton
last_name: Lamp
- first_name: Maciej
full_name: Grzywa, Maciej
last_name: Grzywa
- first_name: Andreas
full_name: Kalytta-Mewes, Andreas
last_name: Kalytta-Mewes
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: Hans-Albrecht Krug
full_name: von Nidda, Hans-Albrecht Krug
last_name: von Nidda
- first_name: Thorsten
full_name: Wagner, Thorsten
last_name: Wagner
- first_name: Dirk
full_name: Volkmer, Dirk
last_name: Volkmer
citation:
ama: Bunzen H, Javed A, Klawinski D, et al. Anisotropic Water-Mediated Proton Conductivity
in Large Iron(II) Metal–Organic Framework Single Crystals for Proton-Exchange
Membrane Fuel Cells. ACS Applied Nano Materials. Published online 2019:291-298.
doi:10.1021/acsanm.8b01902
apa: Bunzen, H., Javed, A., Klawinski, D., Lamp, A., Grzywa, M., Kalytta-Mewes,
A., Tiemann, M., von Nidda, H.-A. K., Wagner, T., & Volkmer, D. (2019). Anisotropic
Water-Mediated Proton Conductivity in Large Iron(II) Metal–Organic Framework Single
Crystals for Proton-Exchange Membrane Fuel Cells. ACS Applied Nano Materials,
291–298. https://doi.org/10.1021/acsanm.8b01902
bibtex: '@article{Bunzen_Javed_Klawinski_Lamp_Grzywa_Kalytta-Mewes_Tiemann_von Nidda_Wagner_Volkmer_2019,
title={Anisotropic Water-Mediated Proton Conductivity in Large Iron(II) Metal–Organic
Framework Single Crystals for Proton-Exchange Membrane Fuel Cells}, DOI={10.1021/acsanm.8b01902},
journal={ACS Applied Nano Materials}, author={Bunzen, Hana and Javed, Ali and
Klawinski, Danielle and Lamp, Anton and Grzywa, Maciej and Kalytta-Mewes, Andreas
and Tiemann, Michael and von Nidda, Hans-Albrecht Krug and Wagner, Thorsten and
Volkmer, Dirk}, year={2019}, pages={291–298} }'
chicago: Bunzen, Hana, Ali Javed, Danielle Klawinski, Anton Lamp, Maciej Grzywa,
Andreas Kalytta-Mewes, Michael Tiemann, Hans-Albrecht Krug von Nidda, Thorsten
Wagner, and Dirk Volkmer. “Anisotropic Water-Mediated Proton Conductivity in Large
Iron(II) Metal–Organic Framework Single Crystals for Proton-Exchange Membrane
Fuel Cells.” ACS Applied Nano Materials, 2019, 291–98. https://doi.org/10.1021/acsanm.8b01902.
ieee: 'H. Bunzen et al., “Anisotropic Water-Mediated Proton Conductivity
in Large Iron(II) Metal–Organic Framework Single Crystals for Proton-Exchange
Membrane Fuel Cells,” ACS Applied Nano Materials, pp. 291–298, 2019, doi:
10.1021/acsanm.8b01902.'
mla: Bunzen, Hana, et al. “Anisotropic Water-Mediated Proton Conductivity in Large
Iron(II) Metal–Organic Framework Single Crystals for Proton-Exchange Membrane
Fuel Cells.” ACS Applied Nano Materials, 2019, pp. 291–98, doi:10.1021/acsanm.8b01902.
short: H. Bunzen, A. Javed, D. Klawinski, A. Lamp, M. Grzywa, A. Kalytta-Mewes,
M. Tiemann, H.-A.K. von Nidda, T. Wagner, D. Volkmer, ACS Applied Nano Materials
(2019) 291–298.
date_created: 2021-10-08T10:46:06Z
date_updated: 2023-03-08T08:30:01Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/acsanm.8b01902
language:
- iso: eng
page: 291-298
publication: ACS Applied Nano Materials
publication_identifier:
issn:
- 2574-0970
- 2574-0970
publication_status: published
quality_controlled: '1'
status: public
title: Anisotropic Water-Mediated Proton Conductivity in Large Iron(II) Metal–Organic
Framework Single Crystals for Proton-Exchange Membrane Fuel Cells
type: journal_article
user_id: '23547'
year: '2019'
...
---
_id: '25906'
abstract:
- lang: eng
text: A composite material of copper oxide (CuO) dispersed in the nanopores of KIT-6
silica (SiO2) is used as a dosimetric sensor for the detection of hydrogen sulfide
(H2S) gas in low parts per milion concentrations. The sensor principle is based
on the reversible chemical conversion of CuO to CuS, which guarantees a high selectivity,
and on the corresponding percolation-induced change in electronic conductance.
article_type: original
author:
- first_name: Andrej
full_name: Paul, Andrej
last_name: Paul
- 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
citation:
ama: Paul A, Weinberger C, Tiemann M, Wagner T. Copper Oxide/Silica Nanocomposites
for Selective and Stable H2S Gas Detection. ACS Applied Nano Materials.
Published online 2019:3335-3338. doi:10.1021/acsanm.9b01004
apa: Paul, A., Weinberger, C., Tiemann, M., & Wagner, T. (2019). Copper Oxide/Silica
Nanocomposites for Selective and Stable H2S Gas Detection. ACS Applied Nano
Materials, 3335–3338. https://doi.org/10.1021/acsanm.9b01004
bibtex: '@article{Paul_Weinberger_Tiemann_Wagner_2019, title={Copper Oxide/Silica
Nanocomposites for Selective and Stable H2S Gas Detection}, DOI={10.1021/acsanm.9b01004},
journal={ACS Applied Nano Materials}, author={Paul, Andrej and Weinberger, Christian
and Tiemann, Michael and Wagner, Thorsten}, year={2019}, pages={3335–3338} }'
chicago: Paul, Andrej, Christian Weinberger, Michael Tiemann, and Thorsten Wagner.
“Copper Oxide/Silica Nanocomposites for Selective and Stable H2S Gas Detection.”
ACS Applied Nano Materials, 2019, 3335–38. https://doi.org/10.1021/acsanm.9b01004.
ieee: 'A. Paul, C. Weinberger, M. Tiemann, and T. Wagner, “Copper Oxide/Silica Nanocomposites
for Selective and Stable H2S Gas Detection,” ACS Applied Nano Materials,
pp. 3335–3338, 2019, doi: 10.1021/acsanm.9b01004.'
mla: Paul, Andrej, et al. “Copper Oxide/Silica Nanocomposites for Selective and
Stable H2S Gas Detection.” ACS Applied Nano Materials, 2019, pp. 3335–38,
doi:10.1021/acsanm.9b01004.
short: A. Paul, C. Weinberger, M. Tiemann, T. Wagner, ACS Applied Nano Materials
(2019) 3335–3338.
date_created: 2021-10-08T10:43:58Z
date_updated: 2023-03-08T08:30:28Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/acsanm.9b01004
language:
- iso: eng
page: 3335-3338
publication: ACS Applied Nano Materials
publication_identifier:
issn:
- 2574-0970
- 2574-0970
publication_status: published
quality_controlled: '1'
status: public
title: Copper Oxide/Silica Nanocomposites for Selective and Stable H2S Gas Detection
type: journal_article
user_id: '23547'
year: '2019'
...
---
_id: '25641'
abstract:
- lang: eng
text: Langzeitfestigkeit von Schweißungen aus PP unter Berücksichtigung der Morphologie
author:
- first_name: Volker
full_name: Schöppner, Volker
id: '20530'
last_name: Schöppner
- first_name: Andrea
full_name: Wübbeke, Andrea
id: '12504'
last_name: Wübbeke
- first_name: Andre
full_name: Paul, Andre
last_name: Paul
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: F.
full_name: Fitze, F.
last_name: Fitze
- first_name: Laura
full_name: Austermeier, Laura
id: '45326'
last_name: Austermeier
- first_name: M.
full_name: Chen, M.
last_name: Chen
- first_name: F.
full_name: Jakob, F.
last_name: Jakob
- first_name: H.-P.
full_name: Heim, H.-P.
last_name: Heim
- first_name: T.
full_name: Wu, T.
last_name: Wu
- first_name: T.
full_name: Niendorf, T.
last_name: Niendorf
- first_name: M-L.
full_name: Röhricht, M-L.
last_name: Röhricht
- first_name: M.
full_name: Schmidt, M.
last_name: Schmidt
citation:
ama: 'Schöppner V, Wübbeke A, Paul A, et al. Langzeitfestigkeit von Schweißungen
aus PP unter Berücksichtigung der Morphologie. In: Werkstoffwoche (2019).
; 2019.'
apa: Schöppner, V., Wübbeke, A., Paul, A., Tiemann, M., Fitze, F., Austermeier,
L., Chen, M., Jakob, F., Heim, H.-P., Wu, T., Niendorf, T., Röhricht, M.-L., &
Schmidt, M. (2019). Langzeitfestigkeit von Schweißungen aus PP unter Berücksichtigung
der Morphologie. Werkstoffwoche (2019). Werkstoffwoche (2019), Dresden
(Deutschland).
bibtex: '@inproceedings{Schöppner_Wübbeke_Paul_Tiemann_Fitze_Austermeier_Chen_Jakob_Heim_Wu_et
al._2019, place={Dresden (Deutschland)}, title={Langzeitfestigkeit von Schweißungen
aus PP unter Berücksichtigung der Morphologie}, booktitle={Werkstoffwoche (2019)},
author={Schöppner, Volker and Wübbeke, Andrea and Paul, Andre and Tiemann, Michael
and Fitze, F. and Austermeier, Laura and Chen, M. and Jakob, F. and Heim, H.-P.
and Wu, T. and et al.}, year={2019} }'
chicago: Schöppner, Volker, Andrea Wübbeke, Andre Paul, Michael Tiemann, F. Fitze,
Laura Austermeier, M. Chen, et al. “Langzeitfestigkeit von Schweißungen Aus PP
Unter Berücksichtigung Der Morphologie.” In Werkstoffwoche (2019). Dresden
(Deutschland), 2019.
ieee: V. Schöppner et al., “Langzeitfestigkeit von Schweißungen aus PP unter
Berücksichtigung der Morphologie,” presented at the Werkstoffwoche (2019), Dresden
(Deutschland), 2019.
mla: Schöppner, Volker, et al. “Langzeitfestigkeit von Schweißungen Aus PP Unter
Berücksichtigung Der Morphologie.” Werkstoffwoche (2019), 2019.
short: 'V. Schöppner, A. Wübbeke, A. Paul, M. Tiemann, F. Fitze, L. Austermeier,
M. Chen, F. Jakob, H.-P. Heim, T. Wu, T. Niendorf, M.-L. Röhricht, M. Schmidt,
in: Werkstoffwoche (2019), Dresden (Deutschland), 2019.'
conference:
location: Dresden (Deutschland)
name: Werkstoffwoche (2019)
date_created: 2021-10-07T09:33:50Z
date_updated: 2023-05-05T10:01:36Z
department:
- _id: '9'
- _id: '367'
- _id: '321'
- _id: '35'
- _id: '2'
- _id: '307'
language:
- iso: eng
place: Dresden (Deutschland)
publication: Werkstoffwoche (2019)
quality_controlled: '1'
status: public
title: Langzeitfestigkeit von Schweißungen aus PP unter Berücksichtigung der Morphologie
type: conference
user_id: '14931'
year: '2019'
...
---
_id: '25912'
abstract:
- lang: eng
text: It is possible to infiltrate a guest species selectively in one pore system
of bimodal mesoporous CMK-5 carbon by an optimized nanocasting procedure. The
selective filling has a drastic impact on the low-angle X-ray diffraction pattern
of this novel class of materials. The structures of CMK-5, CMK-5 composite materials
(sulfur and SnO2 as guest species), and CMK-3 carbon were simulated to investigate
the influence of the pore filling with different guest species on the diffraction
pattern and compared with experimental results. Additionally, the impact of structural
defects is taken into account. The nature of the guest species strongly influences
the relative intensity of the diffraction peaks. It turns out that the diffraction
patterns of sulfur-carbon composite materials are nearly identical as those of
CMK-3 carbon, which is attributed to a similar electron density of carbon and
sulfur. Thus, sulfur is an ideal guest species to investigate the selective pore
filling in CMK-5 carbon.
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Marc
full_name: Hartmann, Marc
last_name: Hartmann
- first_name: Sai
full_name: Ren, Sai
last_name: Ren
- first_name: Thomas
full_name: Sandberg, Thomas
last_name: Sandberg
- first_name: Jan-Henrik
full_name: Smått, Jan-Henrik
last_name: Smått
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: 'Weinberger C, Hartmann M, Ren S, Sandberg T, Smått J-H, Tiemann M. Selective
pore filling of mesoporous CMK-5 carbon studied by XRD: Comparison between theoretical
simulations and experimental results. Microporous and Mesoporous Materials.
Published online 2018:24-31. doi:10.1016/j.micromeso.2018.02.035'
apa: 'Weinberger, C., Hartmann, M., Ren, S., Sandberg, T., Smått, J.-H., & Tiemann,
M. (2018). Selective pore filling of mesoporous CMK-5 carbon studied by XRD: Comparison
between theoretical simulations and experimental results. Microporous and Mesoporous
Materials, 24–31. https://doi.org/10.1016/j.micromeso.2018.02.035'
bibtex: '@article{Weinberger_Hartmann_Ren_Sandberg_Smått_Tiemann_2018, title={Selective
pore filling of mesoporous CMK-5 carbon studied by XRD: Comparison between theoretical
simulations and experimental results}, DOI={10.1016/j.micromeso.2018.02.035},
journal={Microporous and Mesoporous Materials}, author={Weinberger, Christian
and Hartmann, Marc and Ren, Sai and Sandberg, Thomas and Smått, Jan-Henrik and
Tiemann, Michael}, year={2018}, pages={24–31} }'
chicago: 'Weinberger, Christian, Marc Hartmann, Sai Ren, Thomas Sandberg, Jan-Henrik
Smått, and Michael Tiemann. “Selective Pore Filling of Mesoporous CMK-5 Carbon
Studied by XRD: Comparison between Theoretical Simulations and Experimental Results.”
Microporous and Mesoporous Materials, 2018, 24–31. https://doi.org/10.1016/j.micromeso.2018.02.035.'
ieee: 'C. Weinberger, M. Hartmann, S. Ren, T. Sandberg, J.-H. Smått, and M. Tiemann,
“Selective pore filling of mesoporous CMK-5 carbon studied by XRD: Comparison
between theoretical simulations and experimental results,” Microporous and
Mesoporous Materials, pp. 24–31, 2018, doi: 10.1016/j.micromeso.2018.02.035.'
mla: 'Weinberger, Christian, et al. “Selective Pore Filling of Mesoporous CMK-5
Carbon Studied by XRD: Comparison between Theoretical Simulations and Experimental
Results.” Microporous and Mesoporous Materials, 2018, pp. 24–31, doi:10.1016/j.micromeso.2018.02.035.'
short: C. Weinberger, M. Hartmann, S. Ren, T. Sandberg, J.-H. Smått, M. Tiemann,
Microporous and Mesoporous Materials (2018) 24–31.
date_created: 2021-10-08T10:51:20Z
date_updated: 2023-03-08T10:21:04Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.micromeso.2018.02.035
language:
- iso: eng
page: 24-31
publication: Microporous and Mesoporous Materials
publication_identifier:
issn:
- 1387-1811
publication_status: published
quality_controlled: '1'
status: public
title: 'Selective pore filling of mesoporous CMK-5 carbon studied by XRD: Comparison
between theoretical simulations and experimental results'
type: journal_article
user_id: '23547'
year: '2018'
...
---
_id: '25910'
abstract:
- lang: eng
text: We describe the synthesis of mesoporous Al2O3 and MgO layers on silicon wafer
substrates by using poly(dimethylacrylamide) hydrogels as porogenic matrices.
Hydrogel films are prepared by spreading the polymer through spin-coating, followed
by photo-cross-linking and anchoring to the substrate surface. The metal oxides
are obtained by swelling the hydrogels in the respective metal nitrate solutions
and subsequent thermal conversion. Combustion of the hydrogel results in mesoporous
metal oxide layers with thicknesses in the μm range and high specific surface
areas up to 558 m2∙g−1. Materials are characterized by SEM, FIB ablation, EDX,
and Kr physisorption porosimetry.
article_number: '186'
article_type: original
author:
- first_name: Zimei
full_name: Chen, Zimei
last_name: Chen
- first_name: Dirk
full_name: Kuckling, Dirk
id: '287'
last_name: Kuckling
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: Chen Z, Kuckling D, Tiemann M. Porous Aluminum Oxide and Magnesium Oxide Films
Using Organic Hydrogels as Structure Matrices. Nanomaterials. Published
online 2018. doi:10.3390/nano8040186
apa: Chen, Z., Kuckling, D., & Tiemann, M. (2018). Porous Aluminum Oxide and
Magnesium Oxide Films Using Organic Hydrogels as Structure Matrices. Nanomaterials,
Article 186. https://doi.org/10.3390/nano8040186
bibtex: '@article{Chen_Kuckling_Tiemann_2018, title={Porous Aluminum Oxide and Magnesium
Oxide Films Using Organic Hydrogels as Structure Matrices}, DOI={10.3390/nano8040186},
number={186}, journal={Nanomaterials}, author={Chen, Zimei and Kuckling, Dirk
and Tiemann, Michael}, year={2018} }'
chicago: Chen, Zimei, Dirk Kuckling, and Michael Tiemann. “Porous Aluminum Oxide
and Magnesium Oxide Films Using Organic Hydrogels as Structure Matrices.” Nanomaterials,
2018. https://doi.org/10.3390/nano8040186.
ieee: 'Z. Chen, D. Kuckling, and M. Tiemann, “Porous Aluminum Oxide and Magnesium
Oxide Films Using Organic Hydrogels as Structure Matrices,” Nanomaterials,
Art. no. 186, 2018, doi: 10.3390/nano8040186.'
mla: Chen, Zimei, et al. “Porous Aluminum Oxide and Magnesium Oxide Films Using
Organic Hydrogels as Structure Matrices.” Nanomaterials, 186, 2018, doi:10.3390/nano8040186.
short: Z. Chen, D. Kuckling, M. Tiemann, Nanomaterials (2018).
date_created: 2021-10-08T10:48:59Z
date_updated: 2023-03-08T10:22:33Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
- _id: '311'
doi: 10.3390/nano8040186
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.mdpi.com/2079-4991/8/4/186/pdf?version=1525344745
oa: '1'
publication: Nanomaterials
publication_identifier:
issn:
- 2079-4991
publication_status: published
quality_controlled: '1'
status: public
title: Porous Aluminum Oxide and Magnesium Oxide Films Using Organic Hydrogels as
Structure Matrices
type: journal_article
user_id: '23547'
year: '2018'
...
---
_id: '25913'
abstract:
- lang: eng
text: Ordered mesoporous CMK-5 carbon exhibits two distinct pore systems that can
be modified individually. This work demonstrates how one of the pore systems can
be selectively filled with elemental sulfur, while the other pore system remains
empty. The resulting sulfur–carbon composite material with high residual porosity
can be used as the cathode material in lithium–sulfur battery cells. We present
a systematic investigation of the loading of CMK-5 carbon with variable relative
amounts of sulfur and compare the results to the preparation of SnO2 (as well
as TiO2, Mn2O3/Mn3O4, NiO) nanoparticle-loaded CMK-5 carbon.
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Sai
full_name: Ren, Sai
last_name: Ren
- first_name: Marc
full_name: Hartmann, Marc
last_name: Hartmann
- first_name: Thorsten
full_name: Wagner, Thorsten
last_name: Wagner
- first_name: Didem. Ş.
full_name: Karaman, Didem. Ş.
last_name: Karaman
- first_name: Jessica M.
full_name: Rosenholm, Jessica M.
last_name: Rosenholm
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: 'Weinberger C, Ren S, Hartmann M, et al. Bimodal Mesoporous CMK-5 Carbon: Selective
Pore Filling with Sulfur and SnO2 for Lithium Battery Electrodes. ACS Applied
Nano Materials. Published online 2018:455-462. doi:10.1021/acsanm.7b00307'
apa: 'Weinberger, C., Ren, S., Hartmann, M., Wagner, T., Karaman, Didem. Ş., Rosenholm,
J. M., & Tiemann, M. (2018). Bimodal Mesoporous CMK-5 Carbon: Selective Pore
Filling with Sulfur and SnO2 for Lithium Battery Electrodes. ACS Applied Nano
Materials, 455–462. https://doi.org/10.1021/acsanm.7b00307'
bibtex: '@article{Weinberger_Ren_Hartmann_Wagner_Karaman_Rosenholm_Tiemann_2018,
title={Bimodal Mesoporous CMK-5 Carbon: Selective Pore Filling with Sulfur and
SnO2 for Lithium Battery Electrodes}, DOI={10.1021/acsanm.7b00307},
journal={ACS Applied Nano Materials}, author={Weinberger, Christian and Ren, Sai
and Hartmann, Marc and Wagner, Thorsten and Karaman, Didem. Ş. and Rosenholm,
Jessica M. and Tiemann, Michael}, year={2018}, pages={455–462} }'
chicago: 'Weinberger, Christian, Sai Ren, Marc Hartmann, Thorsten Wagner, Didem.
Ş. Karaman, Jessica M. Rosenholm, and Michael Tiemann. “Bimodal Mesoporous CMK-5
Carbon: Selective Pore Filling with Sulfur and SnO2 for Lithium Battery Electrodes.”
ACS Applied Nano Materials, 2018, 455–62. https://doi.org/10.1021/acsanm.7b00307.'
ieee: 'C. Weinberger et al., “Bimodal Mesoporous CMK-5 Carbon: Selective
Pore Filling with Sulfur and SnO2 for Lithium Battery Electrodes,” ACS Applied
Nano Materials, pp. 455–462, 2018, doi: 10.1021/acsanm.7b00307.'
mla: 'Weinberger, Christian, et al. “Bimodal Mesoporous CMK-5 Carbon: Selective
Pore Filling with Sulfur and SnO2 for Lithium Battery Electrodes.” ACS Applied
Nano Materials, 2018, pp. 455–62, doi:10.1021/acsanm.7b00307.'
short: C. Weinberger, S. Ren, M. Hartmann, T. Wagner, Didem.Ş. Karaman, J.M. Rosenholm,
M. Tiemann, ACS Applied Nano Materials (2018) 455–462.
date_created: 2021-10-08T10:52:04Z
date_updated: 2023-03-08T10:21:35Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1021/acsanm.7b00307
language:
- iso: eng
page: 455-462
publication: ACS Applied Nano Materials
publication_identifier:
issn:
- 2574-0970
- 2574-0970
publication_status: published
quality_controlled: '1'
status: public
title: 'Bimodal Mesoporous CMK-5 Carbon: Selective Pore Filling with Sulfur and SnO2
for Lithium Battery Electrodes'
type: journal_article
user_id: '23547'
year: '2018'
...
---
_id: '25909'
abstract:
- lang: eng
text: Organic polymer-hydrogels are known to be capable of directing the nucleation
and growth of inorganic materials, such as silica, metal oxides, apatite or metal
chalcogenides. This approach can be exploited in the synthesis of materials that
exhibit defined nanoporosity. When the organic polymer-based hydrogel is incorporated
in the inorganic product, a composite is formed from which the organic component
may be selectively removed, yielding nanopores in the inorganic product. Such
porogenic impact resembles the concept of using soft or hard templates for porous
materials. This micro-review provides a survey of select examples from the literature.
article_number: '83'
article_type: review
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Dirk
full_name: Kuckling, Dirk
id: '287'
last_name: Kuckling
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: Weinberger C, Kuckling D, Tiemann M. Hydrogels as Porogens for Nanoporous Inorganic
Materials. Gels. Published online 2018. doi:10.3390/gels4040083
apa: Weinberger, C., Kuckling, D., & Tiemann, M. (2018). Hydrogels as Porogens
for Nanoporous Inorganic Materials. Gels, Article 83. https://doi.org/10.3390/gels4040083
bibtex: '@article{Weinberger_Kuckling_Tiemann_2018, title={Hydrogels as Porogens
for Nanoporous Inorganic Materials}, DOI={10.3390/gels4040083},
number={83}, journal={Gels}, author={Weinberger, Christian and Kuckling, Dirk
and Tiemann, Michael}, year={2018} }'
chicago: Weinberger, Christian, Dirk Kuckling, and Michael Tiemann. “Hydrogels as
Porogens for Nanoporous Inorganic Materials.” Gels, 2018. https://doi.org/10.3390/gels4040083.
ieee: 'C. Weinberger, D. Kuckling, and M. Tiemann, “Hydrogels as Porogens for Nanoporous
Inorganic Materials,” Gels, Art. no. 83, 2018, doi: 10.3390/gels4040083.'
mla: Weinberger, Christian, et al. “Hydrogels as Porogens for Nanoporous Inorganic
Materials.” Gels, 83, 2018, doi:10.3390/gels4040083.
short: C. Weinberger, D. Kuckling, M. Tiemann, Gels (2018).
date_created: 2021-10-08T10:47:59Z
date_updated: 2023-03-08T10:20:36Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
- _id: '311'
doi: 10.3390/gels4040083
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.mdpi.com/2310-2861/4/4/83/pdf?version=1539178292
oa: '1'
publication: Gels
publication_identifier:
issn:
- 2310-2861
publication_status: published
quality_controlled: '1'
status: public
title: Hydrogels as Porogens for Nanoporous Inorganic Materials
type: journal_article
user_id: '23547'
year: '2018'
...
---
_id: '25911'
abstract:
- lang: eng
text: Different types of reduced graphene oxide and graphene oxide particles have
been studied regarding their influence on the curing behaviour of epoxy-amine
resins. Especially the specific surface area of reduced graphene oxide was selectively
influenced by controlled drying of the material. The different types of reduced
graphene oxide particles were used to produce epoxy-amine composites that significantly
change their curing behaviour and mechanical properties. A variety of surface
areas and compositions were prepared by combination of a fast heating rate and
different drying methods. The combination of freeze drying with a fast heating
rate leads to a large specific surface area of 680 m2/g. The morphologies of the
particles were observed by scanning electron microscope and the BET surface area
was measured with nitrogen-physisorption. The exfoliation quality was measured
by XRD. The generated graphene oxide and thermally reduced graphene oxide particles
were mixed with epoxy-amine resin. The curing behaviour was studied with rheological
and differential scanning calorimetry (DSC) measurements. We observed that different
surface functionalities lowers the Glass transition temperature and the gel time
of an epoxy-amine curing system. In addition, we found that generated graphene
oxide acts as flexibilizer. An increase of the deformation from 2.5 mm to 3.1 mm
was measured by Erichsen Cupping Test.
article_type: original
author:
- first_name: Andreas
full_name: Wolk, Andreas
last_name: Wolk
- first_name: Marta
full_name: Rosenthal, Marta
last_name: Rosenthal
- first_name: Julia
full_name: Weiß, Julia
last_name: Weiß
- first_name: Markus
full_name: Voigt, Markus
id: '15182'
last_name: Voigt
- first_name: Jan-Niklas
full_name: Wesendahl, Jan-Niklas
last_name: Wesendahl
- first_name: Marc
full_name: Hartmann, Marc
last_name: Hartmann
- first_name: Guido
full_name: Grundmeier, Guido
id: '194'
last_name: Grundmeier
- first_name: Rene
full_name: Wilhelm, Rene
last_name: Wilhelm
- first_name: Gerson
full_name: Meschut, Gerson
id: '32056'
last_name: Meschut
orcid: 0000-0002-2763-1246
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
- first_name: Wolfgang
full_name: Bremser, Wolfgang
id: '32'
last_name: Bremser
citation:
ama: Wolk A, Rosenthal M, Weiß J, et al. Graphene oxide as flexibilizer for epoxy
amine resins. Progress in Organic Coatings. Published online 2018:280-289.
doi:10.1016/j.porgcoat.2018.05.028
apa: Wolk, A., Rosenthal, M., Weiß, J., Voigt, M., Wesendahl, J.-N., Hartmann, M.,
Grundmeier, G., Wilhelm, R., Meschut, G., Tiemann, M., & Bremser, W. (2018).
Graphene oxide as flexibilizer for epoxy amine resins. Progress in Organic
Coatings, 280–289. https://doi.org/10.1016/j.porgcoat.2018.05.028
bibtex: '@article{Wolk_Rosenthal_Weiß_Voigt_Wesendahl_Hartmann_Grundmeier_Wilhelm_Meschut_Tiemann_et
al._2018, title={Graphene oxide as flexibilizer for epoxy amine resins}, DOI={10.1016/j.porgcoat.2018.05.028},
journal={Progress in Organic Coatings}, author={Wolk, Andreas and Rosenthal, Marta
and Weiß, Julia and Voigt, Markus and Wesendahl, Jan-Niklas and Hartmann, Marc
and Grundmeier, Guido and Wilhelm, Rene and Meschut, Gerson and Tiemann, Michael
and et al.}, year={2018}, pages={280–289} }'
chicago: Wolk, Andreas, Marta Rosenthal, Julia Weiß, Markus Voigt, Jan-Niklas Wesendahl,
Marc Hartmann, Guido Grundmeier, et al. “Graphene Oxide as Flexibilizer for Epoxy
Amine Resins.” Progress in Organic Coatings, 2018, 280–89. https://doi.org/10.1016/j.porgcoat.2018.05.028.
ieee: 'A. Wolk et al., “Graphene oxide as flexibilizer for epoxy amine resins,”
Progress in Organic Coatings, pp. 280–289, 2018, doi: 10.1016/j.porgcoat.2018.05.028.'
mla: Wolk, Andreas, et al. “Graphene Oxide as Flexibilizer for Epoxy Amine Resins.”
Progress in Organic Coatings, 2018, pp. 280–89, doi:10.1016/j.porgcoat.2018.05.028.
short: A. Wolk, M. Rosenthal, J. Weiß, M. Voigt, J.-N. Wesendahl, M. Hartmann, G.
Grundmeier, R. Wilhelm, G. Meschut, M. Tiemann, W. Bremser, Progress in Organic
Coatings (2018) 280–289.
date_created: 2021-10-08T10:49:57Z
date_updated: 2023-06-06T14:33:05Z
department:
- _id: '35'
- _id: '307'
- _id: '302'
- _id: '301'
- _id: '2'
- _id: '321'
- _id: '157'
doi: 10.1016/j.porgcoat.2018.05.028
language:
- iso: eng
page: 280-289
publication: Progress in Organic Coatings
publication_identifier:
issn:
- 0300-9440
publication_status: published
quality_controlled: '1'
status: public
title: Graphene oxide as flexibilizer for epoxy amine resins
type: journal_article
user_id: '14931'
year: '2018'
...
---
_id: '25916'
abstract:
- lang: eng
text: We determine ozone decomposition on indium oxide by utilizing the gas transducing
properties of hierarchically porous monoliths.
article_type: original
author:
- first_name: Danielle
full_name: Klawinski, Danielle
last_name: Klawinski
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Dominik
full_name: Klaus, Dominik
last_name: Klaus
- first_name: Jan-Henrik
full_name: Smått, Jan-Henrik
last_name: Smått
- 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: Klawinski D, Weinberger C, Klaus D, Smått J-H, Tiemann M, Wagner T. Kinetics
of ozone decomposition in porous In2O3 monoliths. Physical Chemistry Chemical
Physics. Published online 2017:10326-10332. doi:10.1039/c6cp08874k
apa: Klawinski, D., Weinberger, C., Klaus, D., Smått, J.-H., Tiemann, M., &
Wagner, T. (2017). Kinetics of ozone decomposition in porous In2O3 monoliths.
Physical Chemistry Chemical Physics, 10326–10332. https://doi.org/10.1039/c6cp08874k
bibtex: '@article{Klawinski_Weinberger_Klaus_Smått_Tiemann_Wagner_2017, title={Kinetics
of ozone decomposition in porous In2O3 monoliths}, DOI={10.1039/c6cp08874k},
journal={Physical Chemistry Chemical Physics}, author={Klawinski, Danielle and
Weinberger, Christian and Klaus, Dominik and Smått, Jan-Henrik and Tiemann, Michael
and Wagner, Thorsten}, year={2017}, pages={10326–10332} }'
chicago: Klawinski, Danielle, Christian Weinberger, Dominik Klaus, Jan-Henrik Smått,
Michael Tiemann, and Thorsten Wagner. “Kinetics of Ozone Decomposition in Porous
In2O3 Monoliths.” Physical Chemistry Chemical Physics, 2017, 10326–32.
https://doi.org/10.1039/c6cp08874k.
ieee: 'D. Klawinski, C. Weinberger, D. Klaus, J.-H. Smått, M. Tiemann, and T. Wagner,
“Kinetics of ozone decomposition in porous In2O3 monoliths,” Physical Chemistry
Chemical Physics, pp. 10326–10332, 2017, doi: 10.1039/c6cp08874k.'
mla: Klawinski, Danielle, et al. “Kinetics of Ozone Decomposition in Porous In2O3
Monoliths.” Physical Chemistry Chemical Physics, 2017, pp. 10326–32, doi:10.1039/c6cp08874k.
short: D. Klawinski, C. Weinberger, D. Klaus, J.-H. Smått, M. Tiemann, T. Wagner,
Physical Chemistry Chemical Physics (2017) 10326–10332.
date_created: 2021-10-08T11:07:31Z
date_updated: 2023-01-24T07:38:08Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1039/c6cp08874k
language:
- iso: eng
page: 10326-10332
publication: Physical Chemistry Chemical Physics
publication_identifier:
issn:
- 1463-9076
- 1463-9084
publication_status: published
quality_controlled: '1'
status: public
title: Kinetics of ozone decomposition in porous In2O3 monoliths
type: journal_article
user_id: '23547'
year: '2017'
...
---
_id: '25915'
abstract:
- lang: eng
text: Dimethylacrylamide-based hydrogels were utilized as porogenic matrices in
the synthesis of mesoporous aluminum oxide (γ-Al2O3) with specific BET surface
areas up to 360 m2 g–1. Polymers with molecular mass in the range 12000–35000
g mol–1 were synthesized from dimethylacrylamide and various comonomers by free-radical
polymerization. Photo-cross-linking of the polymers and impregnation with aluminum
nitrate [Al(NO3)3] was carried out in a single step, followed by formation of
Al(OH)3/AlO(OH) and subsequent calcination. Calcination led to the formation of
mesoporous Al2O3 and simultaneous combustion of the hydrogel. The structural properties
of the products were characterized by powder XRD, N2 physisorption analysis, Hg
intrusion porosimetry, and thermogravimetric analysis.
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Zimei
full_name: Chen, Zimei
last_name: Chen
- first_name: Wolfgang
full_name: Birnbaum, Wolfgang
last_name: Birnbaum
- first_name: Dirk
full_name: Kuckling, Dirk
id: '287'
last_name: Kuckling
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: Weinberger C, Chen Z, Birnbaum W, Kuckling D, Tiemann M. Photo-Cross-Linked
Polydimethylacrylamide Hydrogels as Porogens for Mesoporous Alumina. European
Journal of Inorganic Chemistry. Published online 2017:1026-1031. doi:10.1002/ejic.201601364
apa: Weinberger, C., Chen, Z., Birnbaum, W., Kuckling, D., & Tiemann, M. (2017).
Photo-Cross-Linked Polydimethylacrylamide Hydrogels as Porogens for Mesoporous
Alumina. European Journal of Inorganic Chemistry, 1026–1031. https://doi.org/10.1002/ejic.201601364
bibtex: '@article{Weinberger_Chen_Birnbaum_Kuckling_Tiemann_2017, title={Photo-Cross-Linked
Polydimethylacrylamide Hydrogels as Porogens for Mesoporous Alumina}, DOI={10.1002/ejic.201601364}, journal={European
Journal of Inorganic Chemistry}, author={Weinberger, Christian and Chen, Zimei
and Birnbaum, Wolfgang and Kuckling, Dirk and Tiemann, Michael}, year={2017},
pages={1026–1031} }'
chicago: Weinberger, Christian, Zimei Chen, Wolfgang Birnbaum, Dirk Kuckling, and
Michael Tiemann. “Photo-Cross-Linked Polydimethylacrylamide Hydrogels as Porogens
for Mesoporous Alumina.” European Journal of Inorganic Chemistry, 2017,
1026–31. https://doi.org/10.1002/ejic.201601364.
ieee: 'C. Weinberger, Z. Chen, W. Birnbaum, D. Kuckling, and M. Tiemann, “Photo-Cross-Linked
Polydimethylacrylamide Hydrogels as Porogens for Mesoporous Alumina,” European
Journal of Inorganic Chemistry, pp. 1026–1031, 2017, doi: 10.1002/ejic.201601364.'
mla: Weinberger, Christian, et al. “Photo-Cross-Linked Polydimethylacrylamide Hydrogels
as Porogens for Mesoporous Alumina.” European Journal of Inorganic Chemistry,
2017, pp. 1026–31, doi:10.1002/ejic.201601364.
short: C. Weinberger, Z. Chen, W. Birnbaum, D. Kuckling, M. Tiemann, European Journal
of Inorganic Chemistry (2017) 1026–1031.
date_created: 2021-10-08T11:05:54Z
date_updated: 2023-03-08T10:24:33Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
- _id: '311'
doi: 10.1002/ejic.201601364
language:
- iso: eng
page: 1026-1031
publication: European Journal of Inorganic Chemistry
publication_identifier:
issn:
- 1434-1948
publication_status: published
quality_controlled: '1'
status: public
title: Photo-Cross-Linked Polydimethylacrylamide Hydrogels as Porogens for Mesoporous
Alumina
type: journal_article
user_id: '23547'
year: '2017'
...
---
_id: '25914'
abstract:
- lang: eng
text: Dimethylacrylamide-based hydrogels were utilized as porogenic matrices in
the synthesis of mesoporous aluminum oxide (γ-Al2O3) with specific BET surface
areas up to 360 m2 g–1. Polymers with molecular mass in the range 12000–35000
g mol–1 were synthesized from dimethylacrylamide and various comonomers by free-radical
polymerization. Photo-cross-linking of the polymers and impregnation with aluminum
nitrate [Al(NO3)3] was carried out in a single step, followed by formation of
Al(OH)3/AlO(OH) and subsequent calcination. Calcination led to the formation of
mesoporous Al2O3 and simultaneous combustion of the hydrogel. The structural properties
of the products were characterized by powder XRD, N2 physisorption analysis, Hg
intrusion porosimetry, and thermogravimetric analysis.
article_number: '70'
article_type: original
author:
- first_name: Zimei
full_name: Chen, Zimei
last_name: Chen
- 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: Dirk
full_name: Kuckling, Dirk
id: '287'
last_name: Kuckling
citation:
ama: Chen Z, Weinberger C, Tiemann M, Kuckling D. Organic Polymers as Porogenic
Structure Matrices for Mesoporous Alumina and Magnesia. Processes. Published
online 2017. doi:10.3390/pr5040070
apa: Chen, Z., Weinberger, C., Tiemann, M., & Kuckling, D. (2017). Organic Polymers
as Porogenic Structure Matrices for Mesoporous Alumina and Magnesia. Processes,
Article 70. https://doi.org/10.3390/pr5040070
bibtex: '@article{Chen_Weinberger_Tiemann_Kuckling_2017, title={Organic Polymers
as Porogenic Structure Matrices for Mesoporous Alumina and Magnesia}, DOI={10.3390/pr5040070}, number={70},
journal={Processes}, author={Chen, Zimei and Weinberger, Christian and Tiemann,
Michael and Kuckling, Dirk}, year={2017} }'
chicago: Chen, Zimei, Christian Weinberger, Michael Tiemann, and Dirk Kuckling.
“Organic Polymers as Porogenic Structure Matrices for Mesoporous Alumina and Magnesia.”
Processes, 2017. https://doi.org/10.3390/pr5040070.
ieee: 'Z. Chen, C. Weinberger, M. Tiemann, and D. Kuckling, “Organic Polymers as
Porogenic Structure Matrices for Mesoporous Alumina and Magnesia,” Processes,
Art. no. 70, 2017, doi: 10.3390/pr5040070.'
mla: Chen, Zimei, et al. “Organic Polymers as Porogenic Structure Matrices for Mesoporous
Alumina and Magnesia.” Processes, 70, 2017, doi:10.3390/pr5040070.
short: Z. Chen, C. Weinberger, M. Tiemann, D. Kuckling, Processes (2017).
date_created: 2021-10-08T10:53:18Z
date_updated: 2023-03-08T10:25:25Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
- _id: '311'
doi: 10.3390/pr5040070
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.mdpi.com/2227-9717/5/4/70/pdf?version=1510132833
oa: '1'
publication: Processes
publication_identifier:
issn:
- 2227-9717
publication_status: published
quality_controlled: '1'
status: public
title: Organic Polymers as Porogenic Structure Matrices for Mesoporous Alumina and
Magnesia
type: journal_article
user_id: '23547'
year: '2017'
...
---
_id: '25919'
abstract:
- lang: eng
text: The sorption properties of mixed-linker CAU-10 type metal organic frameworks
(MOFs), [Al(OH)(1,3-BDC-X)n(1,3-BDC-SO3H)m] with 1,3-BDC = 1,3-benzenedicarboxyliate,
X = H, NO2 or OH, 0.76 ≤ n ≤ 0.89 and 0.11 ≤ m ≤ 0.24, can be varied by surface
modification through variation of the respective linker molecules. It is thus
possible to design surface-modified CAU-10 type MOFs with variable affinity and
accessibility of the pores for water vapour. When used as a dielectric in a capacitor,
the MOF material will change its permittivity depending on the amount of physisorbed
water; this is the working principle of capacitive humidity sensors. Three different
mixed-linker compounds with CAU-10 structure are compared regarding their water
sorption and impedance characteristics. A setup was developed allowing the characterization
of the MOF samples under exposure to different relative humidity values in air
by impedance spectroscopy. Interpretation of the results by means of standard
models shows that the MOFs are qualified for functional layers of capacitive humidity
sensors. Since the prepared MOFs are more temperature-stable than many commonly
used polymers they offer the potential to build a new generation of high-temperature
(up to 350 °C) humidity sensors.
article_type: original
author:
- first_name: Alexander
full_name: Weiss, Alexander
last_name: Weiss
- first_name: Nele
full_name: Reimer, Nele
last_name: Reimer
- first_name: Norbert
full_name: Stock, Norbert
last_name: Stock
- 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: Weiss A, Reimer N, Stock N, Tiemann M, Wagner T. Screening of mixed-linker
CAU-10 MOF materials for humidity sensing by impedance spectroscopy. Microporous
and Mesoporous Materials. Published online 2016:39-43. doi:10.1016/j.micromeso.2015.08.020
apa: Weiss, A., Reimer, N., Stock, N., Tiemann, M., & Wagner, T. (2016). Screening
of mixed-linker CAU-10 MOF materials for humidity sensing by impedance spectroscopy.
Microporous and Mesoporous Materials, 39–43. https://doi.org/10.1016/j.micromeso.2015.08.020
bibtex: '@article{Weiss_Reimer_Stock_Tiemann_Wagner_2016, title={Screening of mixed-linker
CAU-10 MOF materials for humidity sensing by impedance spectroscopy}, DOI={10.1016/j.micromeso.2015.08.020},
journal={Microporous and Mesoporous Materials}, author={Weiss, Alexander and Reimer,
Nele and Stock, Norbert and Tiemann, Michael and Wagner, Thorsten}, year={2016},
pages={39–43} }'
chicago: Weiss, Alexander, Nele Reimer, Norbert Stock, Michael Tiemann, and Thorsten
Wagner. “Screening of Mixed-Linker CAU-10 MOF Materials for Humidity Sensing by
Impedance Spectroscopy.” Microporous and Mesoporous Materials, 2016, 39–43.
https://doi.org/10.1016/j.micromeso.2015.08.020.
ieee: 'A. Weiss, N. Reimer, N. Stock, M. Tiemann, and T. Wagner, “Screening of mixed-linker
CAU-10 MOF materials for humidity sensing by impedance spectroscopy,” Microporous
and Mesoporous Materials, pp. 39–43, 2016, doi: 10.1016/j.micromeso.2015.08.020.'
mla: Weiss, Alexander, et al. “Screening of Mixed-Linker CAU-10 MOF Materials for
Humidity Sensing by Impedance Spectroscopy.” Microporous and Mesoporous Materials,
2016, pp. 39–43, doi:10.1016/j.micromeso.2015.08.020.
short: A. Weiss, N. Reimer, N. Stock, M. Tiemann, T. Wagner, Microporous and Mesoporous
Materials (2016) 39–43.
date_created: 2021-10-08T11:10:33Z
date_updated: 2023-03-08T10:27:01Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.micromeso.2015.08.020
language:
- iso: eng
page: 39-43
publication: Microporous and Mesoporous Materials
publication_identifier:
issn:
- 1387-1811
publication_status: published
quality_controlled: '1'
status: public
title: Screening of mixed-linker CAU-10 MOF materials for humidity sensing by impedance
spectroscopy
type: journal_article
user_id: '23547'
year: '2016'
...
---
_id: '25917'
abstract:
- lang: eng
text: Ordered, bimodal mesoporous CMK-5 carbon is prepared by using mesoporous SBA-15
silica as a structural mold. The carbon material is chemically modified by oxidative
treatment with acidic persulfate solution. This leads to the creation of oxygen-containing
functionalities at the pore walls of the carbon (up to 13 wt% oxygen), as confirmed
by IR spectroscopy. The oxidative treatment is carried out before removal of the
silica mold which ensures that only one of the two distinct modes of mesopores
(namely, the intra-tubular pores) is affected; the other mode (inter-tubular pores)
is protected from oxidation by the presence of the silica mold. This is proven
by water vapor physisorption analysis. The oxidatively treated (intra-tubular)
pores are significantly more polar and, hence, better wettable than the untreated
(inter-tubular) pores.
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: X.
full_name: Cao, X.
last_name: Cao
- first_name: Michael
full_name: Tiemann, Michael
id: '23547'
last_name: Tiemann
orcid: 0000-0003-1711-2722
citation:
ama: Weinberger C, Cao X, Tiemann M. Selective surface modification in bimodal mesoporous
CMK-5 carbon. Journal of Materials Chemistry A. Published online 2016:18426-18431.
doi:10.1039/c6ta07772b
apa: Weinberger, C., Cao, X., & Tiemann, M. (2016). Selective surface modification
in bimodal mesoporous CMK-5 carbon. Journal of Materials Chemistry A, 18426–18431.
https://doi.org/10.1039/c6ta07772b
bibtex: '@article{Weinberger_Cao_Tiemann_2016, title={Selective surface modification
in bimodal mesoporous CMK-5 carbon}, DOI={10.1039/c6ta07772b},
journal={Journal of Materials Chemistry A}, author={Weinberger, Christian and
Cao, X. and Tiemann, Michael}, year={2016}, pages={18426–18431} }'
chicago: Weinberger, Christian, X. Cao, and Michael Tiemann. “Selective Surface
Modification in Bimodal Mesoporous CMK-5 Carbon.” Journal of Materials Chemistry
A, 2016, 18426–31. https://doi.org/10.1039/c6ta07772b.
ieee: 'C. Weinberger, X. Cao, and M. Tiemann, “Selective surface modification in
bimodal mesoporous CMK-5 carbon,” Journal of Materials Chemistry A, pp.
18426–18431, 2016, doi: 10.1039/c6ta07772b.'
mla: Weinberger, Christian, et al. “Selective Surface Modification in Bimodal Mesoporous
CMK-5 Carbon.” Journal of Materials Chemistry A, 2016, pp. 18426–31, doi:10.1039/c6ta07772b.
short: C. Weinberger, X. Cao, M. Tiemann, Journal of Materials Chemistry A (2016)
18426–18431.
date_created: 2021-10-08T11:08:36Z
date_updated: 2023-03-08T10:26:30Z
department:
- _id: '35'
- _id: '307'
- _id: '2'
doi: 10.1039/c6ta07772b
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://pubs.rsc.org/en/content/articlepdf/2016/ta/c6ta07772b
oa: '1'
page: 18426-18431
publication: Journal of Materials Chemistry A
publication_identifier:
issn:
- 2050-7488
- 2050-7496
publication_status: published
quality_controlled: '1'
status: public
title: Selective surface modification in bimodal mesoporous CMK-5 carbon
type: journal_article
user_id: '23547'
year: '2016'
...
---
_id: '25918'
abstract:
- lang: eng
text: Characterization and application of (meso)porous materials often require information
about the density of the respective samples. For example, the BET surface area
is, by definition, normalized to the sample mass; hence, any comparison between
samples of different composition needs to take into account their respective densities.
Literature data on the densities of porous materials are scarce. Frequently, only
bulk-phase densities are available which sometimes differ from those of porous
samples, especially for amorphous systems, such as silica or carbon. The apparent
density, i.e. the density of the sample excluding the gas-accessible pore volume,
is typically determined by helium gas pycnometry utilizing specialized pycnometers.
We demonstrate how to obtain the same data from standard N2 physisorption measurements
as part of the regular measurement routine. We evaluate the method by reference
measurements utilizing a non-porous reference sample (glass rod) to confirm the
validity of the method. Then we present results on apparent density measurements
of several mesoporous silica materials (MCM-41, MCM-48, SBA-15, KIT-6), mesoporous
carbon (CMK-3, -5, -8, -9), and a variety of mesoporous metal oxides obtained
by nanocasting.
article_type: original
author:
- first_name: Christian
full_name: Weinberger, Christian
id: '11848'
last_name: Weinberger
- first_name: Simon
full_name: Vetter, Simon
last_name: Vetter
- 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: Weinberger C, Vetter S, Tiemann M, Wagner T. Assessment of the density of (meso)porous
materials from standard volumetric physisorption data. Microporous and Mesoporous
Materials. Published online 2016:53-57. doi:10.1016/j.micromeso.2015.10.027
apa: Weinberger, C., Vetter, S., Tiemann, M., & Wagner, T. (2016). Assessment
of the density of (meso)porous materials from standard volumetric physisorption
data. Microporous and Mesoporous Materials, 53–57. https://doi.org/10.1016/j.micromeso.2015.10.027
bibtex: '@article{Weinberger_Vetter_Tiemann_Wagner_2016, title={Assessment of the
density of (meso)porous materials from standard volumetric physisorption data},
DOI={10.1016/j.micromeso.2015.10.027},
journal={Microporous and Mesoporous Materials}, author={Weinberger, Christian
and Vetter, Simon and Tiemann, Michael and Wagner, Thorsten}, year={2016}, pages={53–57}
}'
chicago: Weinberger, Christian, Simon Vetter, Michael Tiemann, and Thorsten Wagner.
“Assessment of the Density of (Meso)Porous Materials from Standard Volumetric
Physisorption Data.” Microporous and Mesoporous Materials, 2016, 53–57.
https://doi.org/10.1016/j.micromeso.2015.10.027.
ieee: 'C. Weinberger, S. Vetter, M. Tiemann, and T. Wagner, “Assessment of the density
of (meso)porous materials from standard volumetric physisorption data,” Microporous
and Mesoporous Materials, pp. 53–57, 2016, doi: 10.1016/j.micromeso.2015.10.027.'
mla: Weinberger, Christian, et al. “Assessment of the Density of (Meso)Porous Materials
from Standard Volumetric Physisorption Data.” Microporous and Mesoporous Materials,
2016, pp. 53–57, doi:10.1016/j.micromeso.2015.10.027.
short: C. Weinberger, S. Vetter, M. Tiemann, T. Wagner, Microporous and Mesoporous
Materials (2016) 53–57.
date_created: 2021-10-08T11:09:42Z
date_updated: 2023-03-08T10:27:33Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1016/j.micromeso.2015.10.027
language:
- iso: eng
page: 53-57
publication: Microporous and Mesoporous Materials
publication_identifier:
issn:
- 1387-1811
publication_status: published
quality_controlled: '1'
status: public
title: Assessment of the density of (meso)porous materials from standard volumetric
physisorption data
type: journal_article
user_id: '23547'
year: '2016'
...
---
_id: '25940'
abstract:
- lang: eng
text: Metal–organic frameworks (MOFs) are crystalline microporous materials with
tunable chemical and physical properties. By combining various metal clusters
with different interconnecting organic linkers, the pore structure, crystallinity,
as well as the surface properties can be modified. In the present work, modification
of the organic linker molecules is utilized to synthesize CAU-10 type MOFs with
variable affinity of the pore surface to water. In principle, this should influence
the accessibility of the pores for water vapor and therefore offer a tool to control
its sorption properties. For a deeper understanding we studied the water sorption
characteristics and compared the results to the conductive and dielectric properties
studied by impedance spectroscopy. Spectra in a wide frequency range from 1 mHz
to 1 MHz were recorded. Data analysis is performed using the Havriliak–Negami
model. The MOFs are also tested as sensitive layers for capacitive humidity sensing
by correlating the change in permittivity of the materials with the amount of
physisorbed water. Such an MOF-based sensor was tested with respect to environmental
monitoring and compared to a commonly used commercial humidity sensor.
article_type: original
author:
- first_name: Alexander
full_name: Weiss, Alexander
last_name: Weiss
- first_name: Nele
full_name: Reimer, Nele
last_name: Reimer
- first_name: Norbert
full_name: Stock, Norbert
last_name: Stock
- 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: 'Weiss A, Reimer N, Stock N, Tiemann M, Wagner T. Surface-modified CAU-10 MOF
materials as humidity sensors: impedance spectroscopic study on water uptake.
Physical Chemistry Chemical Physics. Published online 2015:21634-21642.
doi:10.1039/c5cp01988e'
apa: 'Weiss, A., Reimer, N., Stock, N., Tiemann, M., & Wagner, T. (2015). Surface-modified
CAU-10 MOF materials as humidity sensors: impedance spectroscopic study on water
uptake. Physical Chemistry Chemical Physics, 21634–21642. https://doi.org/10.1039/c5cp01988e'
bibtex: '@article{Weiss_Reimer_Stock_Tiemann_Wagner_2015, title={Surface-modified
CAU-10 MOF materials as humidity sensors: impedance spectroscopic study on water
uptake}, DOI={10.1039/c5cp01988e},
journal={Physical Chemistry Chemical Physics}, author={Weiss, Alexander and Reimer,
Nele and Stock, Norbert and Tiemann, Michael and Wagner, Thorsten}, year={2015},
pages={21634–21642} }'
chicago: 'Weiss, Alexander, Nele Reimer, Norbert Stock, Michael Tiemann, and Thorsten
Wagner. “Surface-Modified CAU-10 MOF Materials as Humidity Sensors: Impedance
Spectroscopic Study on Water Uptake.” Physical Chemistry Chemical Physics,
2015, 21634–42. https://doi.org/10.1039/c5cp01988e.'
ieee: 'A. Weiss, N. Reimer, N. Stock, M. Tiemann, and T. Wagner, “Surface-modified
CAU-10 MOF materials as humidity sensors: impedance spectroscopic study on water
uptake,” Physical Chemistry Chemical Physics, pp. 21634–21642, 2015, doi:
10.1039/c5cp01988e.'
mla: 'Weiss, Alexander, et al. “Surface-Modified CAU-10 MOF Materials as Humidity
Sensors: Impedance Spectroscopic Study on Water Uptake.” Physical Chemistry
Chemical Physics, 2015, pp. 21634–42, doi:10.1039/c5cp01988e.'
short: A. Weiss, N. Reimer, N. Stock, M. Tiemann, T. Wagner, Physical Chemistry
Chemical Physics (2015) 21634–21642.
date_created: 2021-10-08T15:47:59Z
date_updated: 2023-03-08T10:28:19Z
department:
- _id: '35'
- _id: '2'
- _id: '307'
doi: 10.1039/c5cp01988e
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://pubs.rsc.org/en/content/articlepdf/2015/cp/c5cp01988e
oa: '1'
page: 21634-21642
publication: Physical Chemistry Chemical Physics
publication_identifier:
issn:
- 1463-9076
- 1463-9084
publication_status: published
quality_controlled: '1'
status: public
title: 'Surface-modified CAU-10 MOF materials as humidity sensors: impedance spectroscopic
study on water uptake'
type: journal_article
user_id: '23547'
year: '2015'
...