Highly sensitive chemiresistive H2S gas sensor based on graphene decorated with Ag nanoparticles and charged impurities

Oleksandr Ovsianytskyi,Yun-Sik Nam, Oleksandr Tsymbalenko,Phan-Thi Lan,Myoung-Woon Moon,Kang-Bong Lee

Sensors and Actuators B: Chemical（2018）

引用 103|浏览7

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摘要

•Chemiresistive H2S sensor based on Ag nanoparticles doped-graphene was fabricated.•Doping was performed in aqueous AgNO3 and Fe(NO3)3 by a simple wet-chemical method.•The produced graphene sensor can detect ∼100ppb of H2S gas within 6min.•The fabricated sensor exhibits excellent selectivity towards H2S gas.

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关键词

CVD graphene,Chemiresistive sensor,H2S graphene sensor,Graphene doping,Silver nanoparticle doping

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