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Self-Activated Transparent All-Graphene Gas Sensor with Endurance to Humidity and Mechanical Bending

Cited 170 time in Web of Science Cited 175 time in Scopus
Authors
Kim, Yeon Hoo; Kim, Sang Jin; Kim, Yong-Jin; Shim, Yeong-Seok; Kim, Soo Young; Hong, Byung Hee; Jang, Ho Won
Issue Date
2015-10
Citation
ACS Nano, Vol.9 No.10, pp.10453-10460
Keywords
graphenegas sensorsself-activationInternet of Thingswearable devices
Abstract
Graphene is considered as one of leading candidates for gas sensor applications in the Internet of Things owing to its unique properties such as high sensitivity to gas adsorption, transparency, and flexibility. We present self-activated operation of all graphene gas sensors with high transparency and flexibility. The all-graphene gas sensors which consist of graphene for both sensor electrodes and active sensing area exhibit highly sensitive, selective, and reversible responses to NO2 without external heating. The sensors show reliable operation under high humidity conditions and bending strain. In addition to these remarkable device performances, the significantly facile fabrication process enlarges the potential of the all-graphene gas sensors for use in the Internet of Things and wearable electronics.
ISSN
1936-0851
URI
https://hdl.handle.net/10371/172134
DOI
https://doi.org/10.1021/acsnano.5b04680
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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