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Physisorption-Based Charge Transfer in Two-Dimensional SnS2 for Selective and Reversible NO2 Gas Sensing

2017-08-22 org.kosen.entty.User@1bbb656c 오현철(dhguscjf)

분야

분석화학

발행기관

Jian Zhen Ou, Wanyin Ge, Benjamin Carey, Torben Daeneke, Asaf Rotbart, Wei Shan, Yichao Wang, Zhengq

발행일

October 8, 2015

URL

http://pubs.acs.org/doi/abs/10.1021/acsnano.5b04343?journalCode=ancac3

Nitrogen dioxide (NO2) is a gas species that plays an important role in certain industrial, farming, and healthcare sectors. However, there are still significant challenges for NO2 sensing at low detection limits, especially in the presence of other interfering gases. The NO2 selectivity of current gas-sensing technologies is significantly traded-off with their sensitivity and reversibility as well as fabrication and operating costs. In this work, we present an important progress for selective and reversible NO2 sensing by demonstrating an economical sensing platform based on the charge transfer between physisorbed NO2 gas molecules and two-dimensional (2D) tin disulfide (SnS2) flakes at low operating temperatures.
오현철

오현철(dhguscjf)

울산과학기술원
화학과 / 탄소중립대학원

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