期刊
ADVANCED MATERIALS
卷 33, 期 25, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202008849
关键词
double‐ network structure; electroluminescent devices; ionogels; stretchable optoelectronics
类别
资金
- Ministry of Science and ICT
- National Research Foundation of Korea through the Basic Science Research Program [2019R1I1A2A01040856]
- National Research Foundation of Korea through the Engineering Research Center Program [2018R1A5A1025594]
- Ministry of Education
- National Research Foundation of Korea [2019R1I1A2A01040856] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ionogels are promising materials for flexible electronics due to their exceptional mechanical and electrical properties. The conducting ionogels with a double network structure developed in this study show potential as stretchable ionic conductors for ACEL devices, demonstrating stable operation under high elongation and severe mechanical deformations.
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 degrees C.
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