High-Performance NO2 Sensors Based on Chemically Modified Graphene

被引：412
|
作者：
Yuan, Wenjing [1 ]
Liu, Anran [1 ]
Huang, Liang [1 ]
Li, Chun [1 ]
Shi, Gaoquan [1 ]
机构：
[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
ADVANCED MATERIALS | 2013年 / 25卷 / 05期
关键词：
chemically modified graphene; reduced graphene oxide; sensors; nitrogen dioxide; CARBON NANOTUBES; GAS; FILMS;
D O I：
10.1002/adma.201203172
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Covalently grafting reduced graphene oxide (rGO) sheets with sulfophenyl or ethylenediamine groups can produce chemically modified graphene (CMG) for fabricating high-performance gas sensors. The NO2 sensors based on these CMGs exhibit sensitivities 4 to 16 times higher than that of a sensor based on rGO. They also show excellent selectivity and repeatability without the aid of UV-light or thermal treatment. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：766 / 771
页数：6
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