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Super Stretchable and Durable Electroluminescent Devices Based on Double-Network Ionogels

Title
Super Stretchable and Durable Electroluminescent Devices Based on Double-Network Ionogels
Authors
Dinh Xuan, HiepTimothy, BernardPark, Ho-YeolLam, Tuyet NhiKim, DowanGo, YeonjeongKim, JongyounLee, YounguAhn, Sung IlJin, Sung-HoYoon, Jinhwan
DGIST Authors
Dinh Xuan, Hiep; Timothy, Bernard; Park, Ho-Yeol; Lam, Tuyet Nhi; Kim, Dowan; Go, Yeonjeong; Kim, Jongyoun; Lee, Youngu; Ahn, Sung Il; Jin, Sung-Ho; Yoon, Jinhwan
Issue Date
2021-06
Citation
Advanced Materials, 33(25), 2008849
Type
Article
Author Keywords
double-network structureelectroluminescent devicesionogelsstretchable optoelectronics
Keywords
TRANSPARENTBRIGHT
ISSN
0935-9648
Abstract
Ionogels are good candidates for flexible electronics owing to their excellent mechanical and electrical properties, including stretchability, high conductivity, and stability. In this study, conducting ionogels comprising a double network (DN) of poly(N-isopropylacrylamide-co-N,N′-diethylacrylamide)/chitosan which are further reinforced by the ionic and covalent crosslinking of the chitosan network by tripolyphosphate and glutaraldehyde, respectively, are prepared. Based on their excellent mechanical properties and high conductivity, the developed DN ionogels are envisioned as stretchable ionic conductors for extremely stretchable alternating-current electroluminescent (ACEL) devices. The ACEL device fabricated with the developed ionogel exhibits stable working operation under an ultrahigh elongation of over 1200% as well as severe mechanical deformations such as bending, rolling, and twisting. Furthermore, the developed ACEL devices also display stable luminescence over 1000 stretch/release cycles or at temperatures as harsh as 200 °C. © 2021 Wiley-VCH GmbH
URI
http://hdl.handle.net/20.500.11750/13777
DOI
10.1002/adma.202008849
Publisher
John Wiley and Sons Inc
Related Researcher
  • Author Lee, Youngu Organic & Printed Electronics Laboratory(OPEL)
  • Research Interests OTF Solar cell; OLED; Printed Electronics; 유기박막형 태양전지
Files:
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Collection:
Department of Energy Science and EngineeringOrganic & Printed Electronics Laboratory(OPEL)1. Journal Articles


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