---
_id: '23854'
abstract:
- lang: eng
text: Micropatterned nanoporous aluminum oxide arrays are prepared on silicon wafer
substrates by using photopolymerized poly(dimethylacrylamide) hydrogels as porogenic
matrices. Hydrogel micropatterns are fabricated by spreading the prepolymer mixture
on the substrate, followed by UV photopolymerization through a micropatterned
mask. The hydrogel is covalently bonded to the substrate surface. Al2O3 is produced
by swelling the hydrogel in a saturated aluminum nitrate solution and subsequent
thermal conversion/calcination. As a result, micropatterned porous Al2O3 microdots
with heights in µm range and large specific surface areas up to 274 m2 g−1 are
obtained. Hence, the hydrogel fulfills a dual templating function, namely micropatterning
and nanoporosity generation. The impact of varying the photopolymerization time
on the properties of the products is studied. Samples are characterized by light
and confocal laser scanning microscopy, scanning electron microscopy, energy-dispersive
x-ray spectrometry, and Kr physisorption analysis.
article_number: '445601'
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. Nanoporous aluminum oxide micropatterns prepared
by hydrogel templating. Nanotechnology. 2020;31. doi:10.1088/1361-6528/aba710
apa: Chen, Z., Kuckling, D., & Tiemann, M. (2020). Nanoporous aluminum oxide
micropatterns prepared by hydrogel templating. Nanotechnology, 31,
Article 445601. https://doi.org/10.1088/1361-6528/aba710
bibtex: '@article{Chen_Kuckling_Tiemann_2020, title={Nanoporous aluminum oxide micropatterns
prepared by hydrogel templating}, volume={31}, DOI={10.1088/1361-6528/aba710},
number={445601}, journal={Nanotechnology}, publisher={IOP Publishing}, author={Chen,
Zimei and Kuckling, Dirk and Tiemann, Michael}, year={2020} }'
chicago: Chen, Zimei, Dirk Kuckling, and Michael Tiemann. “Nanoporous Aluminum Oxide
Micropatterns Prepared by Hydrogel Templating.” Nanotechnology 31 (2020).
https://doi.org/10.1088/1361-6528/aba710.
ieee: 'Z. Chen, D. Kuckling, and M. Tiemann, “Nanoporous aluminum oxide micropatterns
prepared by hydrogel templating,” Nanotechnology, vol. 31, Art. no. 445601,
2020, doi: 10.1088/1361-6528/aba710.'
mla: Chen, Zimei, et al. “Nanoporous Aluminum Oxide Micropatterns Prepared by Hydrogel
Templating.” Nanotechnology, vol. 31, 445601, IOP Publishing, 2020, doi:10.1088/1361-6528/aba710.
short: Z. Chen, D. Kuckling, M. Tiemann, Nanotechnology 31 (2020).
date_created: 2021-09-07T10:23:25Z
date_updated: 2023-03-08T08:26:12Z
department:
- _id: '311'
- _id: '35'
- _id: '307'
- _id: '2'
doi: 10.1088/1361-6528/aba710
intvolume: ' 31'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://iopscience.iop.org/article/10.1088/1361-6528/aba710/pdf
oa: '1'
publication: Nanotechnology
publication_identifier:
issn:
- 0957-4484
- 1361-6528
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
status: public
title: Nanoporous aluminum oxide micropatterns prepared by hydrogel templating
type: journal_article
user_id: '23547'
volume: 31
year: '2020'
...