Reduced Graphene Oxide Electrically Contacted Graphene Sensor for Highly Sensitive Nitric Oxide Detection

被引：339

作者：

Li, Weiwei ^{[1
]}

Geng, Xiumei ^{[1
]}

Guo, Yufen ^{[1
]}

Rong, Jizan ^{[1
]}

Gong, Youpin ^{[1
]}

Wu, Liqiong ^{[1
]}

Zhang, Xuemin ^{[1
]}

Li, Peng ^{[1
]}

Xu, Jianbao ^{[1
]}

Cheng, Guosheng ^{[1
]}

Sun, Mengtao ^{[2
]}

Liu, Liwei ^{[1
]}

机构：

[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

来源：

ACS NANO | 2011年 / 5卷 / 09期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

graphene; nitric oxide; dielectrophoresis; reduced graphene oxide; highly sensitive; WALLED CARBON NANOTUBES; GAS SENSORS; RESISTANCE; DEVICES;

D O I：

10.1021/nn201433r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We develop graphene-based devices fabricated by alternating current dielectrophoresis (ac-DEP) for highly sensitive nitric oxide (NO) gas detection. The novel device comprises the sensitive channels of palladium-decorated reduced graphene oxide (Pd-RGO) and the electrodes covered with chemical vapor deposition (CVD)-grown graphene. The highly sensitive, recoverable, and reliable detection of NO gas ranging from 2 to 420 ppb with response time of several hundred.. seconds has been achieved at room temperature. The facile and scalable route for high performance suggests a promising application of graphene devices toward the human exhaled NO and environmental pollutant detections.

引用

页码：6955 / 6961

页数：7

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