한빛사논문
- 조회265
광운대학교
Feifei Yin a,e,1, Yunjian Guo c,1, Zhicheng Qiu b, Hongsen Niu a,e, Wenxiao Wang a,e, Yang Li a,b,*, Eun Seong Kim a,d,*, Nam Young Kim a,e,f,*
a RFIC Centre, Kwangwoon University, 20 Kwangwoon-ro, Nowon-Gu, Seoul 01897, South Korea b School of Information Science and Engineering, University of Jinan, Jinan 250022, China c Wireless Integrated Circuits and Systems (WICS) Laboratory, Department of Electronic Convergence Engineering, Kwangwoon University, Seoul 01897, South Korea d Wavepia Co. Ltd, 557 Dongtangiheung-ro, Hwaseong-si, Gyeonggi-do 18469, South Korea e Department of Electronics Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-Gu, Seoul 01897, South Korea f NDAC Centre, Kwangwoon University, 20 Kwangwoon-ro, Nowon-Gu, Seoul 01897, South Korea
* Corresponding authors
1 These authors contributed equally.
Abstract
Developing an electronic skin (e-skin) by mimicking a human skin sensory system in which tactile sensing and non-contact sensing complement each is of great significance for helping wearable electronic products to realize the intelligent perception of contact and non-contact information. Here, a hybrid e-skin (CNES) that realizes both contact and non-contact sensing is reported, which consists of a triboelectric nanogenerator (TENG) and a humidity sensor that share a flexible substrate layer. The shared flexible substrate is formed by a hydrothermal method and presents a porous and nanoflake-like morphology surface. By introducing an Ag nanowires (NWs) electrification layer on the upper surface of the shared substrate, CNES exhibits advantages in contact sensing and electrical output performance. Therefore, we achieve the monitoring for falling behaviors with such a CNES serving as a contact sensor and the management of humidity management system with the matrixes of CNESs simulating the self-powered switches. In addition, the SnO2 humidity sensing layer that is introduced on the lower surface of the shared substrate facilitates the CNES to achieve the non-contact monitoring of human respiration signals, offering a reliable pathway to design electronic skin for both contact and non-contact sensing.
논문정보
- Research article
- 2022년 10월 (BRIC 등록일 2022-10-19)
- 국내(교신)+국외 연구진
- 바이오·의료융합 > 바이오센싱 및 나노바이오물질
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