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나노의학 연구단
나노의학 연구단
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Mechanoluminescent, Air-Dielectric MoS2 Transistors as Active-Matrix Pressure Sensors for Wide Detection Ranges from Footsteps to Cellular Motions

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Title
Mechanoluminescent, Air-Dielectric MoS2 Transistors as Active-Matrix Pressure Sensors for Wide Detection Ranges from Footsteps to Cellular Motions
Author(s)
Jiuk Jang; Hyobeom Kim; Sangyoon Ji; Ha Jun Kim; Min Soo Kang; Tae Soo Kim; Jong-eun Won; Jae-Hyun Lee; Jinwoo Cheon; Kibum Kang; Won Bin Im; Jang-Ung Park
Publication Date
2020-01
Journal
NANO LETTERS, v.20, no.1, pp.66 - 74
Publisher
AMER CHEMICAL SOC
Abstract
© 2019 American Chemical Society.Tactile pressure sensors as flexible bioelectronic devices have been regarded as the key component for recently emerging applications in electronic skins, health-monitoring devices, or human-machine interfaces. However, their narrow range of sensible pressure and their difficulty in forming high integrations represent major limitations for various potential applications. Herein, we report fully integrated, active-matrix arrays of pressure-sensitive MoS2 transistors with mechanoluminescent layers and air dielectrics for wide detectable range from footsteps to cellular motions. The inclusion of mechanoluminescent materials as well as air spaces can increase the sensitivity significantly over entire pressure regimes. In addition, the high integration capability of these active-matrix sensory circuitries can enhance their spatial resolution to the level sufficient to analyze the pressure distribution in a single cardiomyocyte. We envision that these wide-range pressure sensors will provide a new strategy toward next-generation electronics at biomachine interfaces to monitor various mechanical and biological phenomena at single-cell resolution
URI
https://pr.ibs.re.kr/handle/8788114/7048
ISSN
1530-6984
Appears in Collections:
Center for Nanomedicine (나노의학 연구단) > Journal Papers
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