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Light-controllable polymeric material based on temperature-sensitive hydrogels with incorporated graphene oxide

  • Poly(N-isopropylacrylamide) (PNIPAAm) hydrogel films with incorporated graphene oxide (GO) were developed and tested as light-stimulated actuators. GO dispersions were synthesized via Hummers method and characterized toward their optical properties and photothermal energy conversion. The hydrogels were prepared by means of photopolymerization. In addition, the influence of GO within the hydrogel network on the lower critical solution temperature (LCST) was investigated by differential scanning calorimetry (DSC). The optical absorbance and the response to illumination were determined as a function of GO concentration for thin hydrogel films. A proof of principle for the stimulation with light was performed.

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Metadaten
Author:Lars Breuer, Markus Raue, M. Kirschbaum, Thomas Mang, Michael Josef SchöningORCiD, R. Thoelen, Torsten WagnerORCiD
DOI:https://doi.org/10.1002/pssa.201431944
ISSN:1862-6319
Parent Title (English):Physica status solidi (a)
Publisher:Wiley
Place of publication:Weinheim
Document Type:Article
Language:English
Year of Completion:2015
Volume:212
Issue:6
First Page:1368
Last Page:1374
Link:https://doi.org/10.1002/pssa.201431944
Zugriffsart:campus
Institutes:FH Aachen / Fachbereich Chemie und Biotechnologie
FH Aachen / Fachbereich Medizintechnik und Technomathematik
FH Aachen / INB - Institut für Nano- und Biotechnologien
collections:Verlag / Wiley