Journal article
Reversible Photo-Induced Reshaping of Imprinted Microstructures Using a Low Molecular Azo Dye
Publication Details
Authors: | Kaban, B.; Bagatur, S.; Soter, M.; Hillmer, H.; Fuhrmann-Lieker, T. |
Publication year: | 2022 |
Journal: | Polymers |
Pages range : | 586 |
Volume number: | 14 |
Issue number: | 3 |
ISSN: | 2073-4360 |
eISSN: | 2073-4360 |
DOI-Link der Erstveröffentlichung: |
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 concentration-dependent 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.
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 concentration-dependent 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.
