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Reversible Photo-Induced Reshaping of Imprinted Microstructures Using a Low Molecular Azo Dye
Abstract
A blend of low molecular azo glass (AZOPD) and polystyrene (PS) were used for the systematic investigation of photo-induced stretching and recovery of nanoimprinted structures. For this purpose, light and heat was used as recovery stimuli. The AZOPD/PS microstructures, fabricated with thermal nanoimprint lithography (tNIL), comprises three different shapes (circles, crosses and squares) and various concentrations of AZOPD fractions. The results show a concentrationdependent reshaping. Particularly the sample with 43 w-% of the AZOPD fraction have shown the best controllable recovery for the used parameters. A possible explanation for shape recovery might be the stabilizing effect of the PS-matrix.
Citation
In: Polymers Volume 14 / Issue 3 (2022-01-31) eissn:2073-4360Sponsorship
Gefördert durch den Publikationsfonds der Universität KasselCitation
@article{doi:10.17170/kobra-202205106156,
author={Kaban, Burhan and Bagatur, Sekvan and Soter, Marcus and Hillmer, Hartmut and Fuhrmann-Lieker, Thomas},
title={Reversible Photo-Induced Reshaping of Imprinted Microstructures Using a Low Molecular Azo Dye},
journal={Polymers},
year={2022}
}
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2022-05-10T07:04:00Z 2022-05-10T07:04:00Z 2022-01-31 doi:10.17170/kobra-202205106156 http://hdl.handle.net/123456789/13820 Gefördert durch den Publikationsfonds der Universität Kassel eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ azo materials azo glass directional photo-fluidization reversible photo-induced reshaping stimuli-sensitive structures nanoimprint lithography 540 Reversible Photo-Induced Reshaping of Imprinted Microstructures Using a Low Molecular Azo Dye Aufsatz A blend of low molecular azo glass (AZOPD) and polystyrene (PS) were used for the systematic investigation of photo-induced stretching and recovery of nanoimprinted structures. For this purpose, light and heat was used as recovery stimuli. The AZOPD/PS microstructures, fabricated with thermal nanoimprint lithography (tNIL), comprises three different shapes (circles, crosses and squares) and various concentrations of AZOPD fractions. The results show a concentrationdependent reshaping. Particularly the sample with 43 w-% of the AZOPD fraction have shown the best controllable recovery for the used parameters. A possible explanation for shape recovery might be the stabilizing effect of the PS-matrix. open access Kaban, Burhan Bagatur, Sekvan Soter, Marcus Hillmer, Hartmut Fuhrmann-Lieker, Thomas doi:10.3390/polym14030586 Azofarbstoff Nanophotonik Nanoprägen Mikrostruktur publishedVersion eissn:2073-4360 Issue 3 Polymers Volume 14 false 586
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