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김주영

Kim, Ju-Young
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Integrated arrays of air-dielectric graphene transistors as transparent active-matrix pressure sensors for wide pressure ranges

Author(s)
Shin, Sung-HoJi, SangyoonChoi, SeihoPyo, Kyoung-HeeAn, Byeong WanPark, JihunKim, JooheeKim, Ju-YoungLee, Ki-SukKwon, Soon-YongHeo, JaeyeongPark, Byong-GukPark, Jang-Ung
Issued Date
2017-03
DOI
10.1038/ncomms14950
URI
https://scholarworks.unist.ac.kr/handle/201301/21794
Fulltext
http://www.nature.com/articles/ncomms14950
Citation
NATURE COMMUNICATIONS, v.8, pp.14950
Abstract
Integrated electronic circuitries with pressure sensors have been extensively researched as a key component for emerging electronics applications such as electronic skins and healthmonitoring devices. Although existing pressure sensors display high sensitivities, they can only be used for specific purposes due to the narrow range of detectable pressure (under tens of kPa) and the difficulty of forming highly integrated arrays. However, it is essential to develop tactile pressure sensors with a wide pressure range in order to use them for diverse application areas including medical diagnosis, robotics or automotive electronics. Here we report an unconventional approach for fabricating fully integrated active-matrix arrays of pressure-sensitive graphene transistors with air-dielectric layers simply formed by folding two opposing panels. Furthermore, this realizes a wide tactile pressure sensing range from 250 Pa to similar to 3MPa. Additionally, fabrication of pressure sensor arrays and transparent pressure sensors are demonstrated, suggesting their substantial promise as next-generation electronics.
Publisher
NATURE PUBLISHING GROUP
ISSN
2041-1723
Keyword
HIGH-PERFORMANCERUBBERSKIN

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