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Electroactive 1T-MoS2 Fluoroelastomer Ink for Intrinsically Stretchable Solid-State In-Plane Supercapacitors SCIE SCOPUS

Title
Electroactive 1T-MoS2 Fluoroelastomer Ink for Intrinsically Stretchable Solid-State In-Plane Supercapacitors
Authors
Thiyagarajan, KaliannanSong, Woo-JinPark, HyejiSelvaraj, VeerapandianMoon, SungminOh, JoosungKwak, Myung-JunPark, GyeongbaeKong, MinsikPal, MonalisaKwak, JunghyeokGiri, AnupamJang, Ji-HyunPark, SoojinJeong, Unyong
Date Issued
2021-06
Publisher
American Chemical Society
Abstract
Full advantage of stretchable electronic devices can be taken when utilizing an intrinsically stretchable power source. High-performance stretchable supercapacitors with a simple structure and solid-state operation are good power sources for stretchable electronics. This study suggests a new type of intrinsically stretchable, printable, electroactive ink consisting of 1T-MoS2 and a fluoroelastomer (FE). The active material (1T-MoS2/FE) is made by fluorinating the metallic-phase MoS2 (1T-MoS2) nanosheets with the FE under high-power ultrasonication. The MoS2 in the 1T-MoS2/FE has unconventional crystal structures in which the stable cubic (1T) and distorted 2H structures were mixed. The printed line of the 1T-MoS2/FE on the porous stretchable Au collector electrodes is intrinsically stretchable at more than �� = 50% and has good specific capacitance (28 mF cm-2 at 0.2 mA cm-2) and energy density (3.15 mWh cm-3). The in-plane all-solid-state stretchable supercapacitor is stretchable at �� = 40% and retains its relative capacity (C/Co) by 80%. This printable device platform potentially opens up the in-plane fabrication of stretchable micro-supercapacitor devices for wearable electronic applications.
URI
https://oasis.postech.ac.kr/handle/2014.oak/107154
DOI
10.1021/acsami.1c01463
ISSN
1944-8244
Article Type
Article
Citation
ACS APPLIED MATERIALS & INTERFACES, vol. 13, no. 23, page. 26870 - 26878, 2021-06
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정운룡JEONG, UNYONG
Dept of Materials Science & Enginrg
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