Dynamic Tunable Color Display Based on Metal–Insulator–Metal Resonator with Polymer Brush Insulator Layer as Signal Transducer

Dynamic color-changing nanomaterials have been widely investigated for applications in fields like optical sensors, wearable activity monitors, smart electronic devices, and anticounterfeiting materials due to the excellent ability to change their optical properties with external variation. Here, a...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2019-11, Vol.11 (44), p.41668-41675
Main Authors: Chen, Dan, Wang, Tieqiang, Song, Guoshuai, Du, Yunhao, Lv, Jinqiu, Zhang, Xuemin, Li, Yunong, Zhang, Liying, Hu, Jianshe, Fu, Yu, Jordan, Rainer
Format: Article
Language:English
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Summary:Dynamic color-changing nanomaterials have been widely investigated for applications in fields like optical sensors, wearable activity monitors, smart electronic devices, and anticounterfeiting materials due to the excellent ability to change their optical properties with external variation. Here, a simple metal–insulator–metal (MIM) trilayer Fabry–Perot resonance cavity with a poly­(N-isopropylacrylamide) (PNIPAm) brush layer as a responsive element is reported as a thermal-induced colorimetric response platform. The dynamic changes of conformation and physical properties of PNIPAm brush layer in response to external signals give rise to a significant color change of the MIM Fabry–Perot resonance cavity. This MIM Fabry–Perot resonance cavity shows the advantages of dynamic color change, rapid response, good repeatability, and simple construction. Additionally, the as-prepared MIM cavity shows great potential in various applications such as color printing, multicolor indicator, and information anticounterfeiting.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.9b14125