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A graphene oxide-based electrochemical sensor for sensitive determination of 4-nitrophenol

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成果类型:
期刊论文
作者:
Li, Junhua*;Kuang, Daizhi;Feng, Yonglan;Zhang, Fuxing;Xu, Zhifeng;...
通讯作者:
Li, Junhua
作者机构:
[Liu, Mengqin; Xu, Zhifeng; Li, Junhua; Zhang, Fuxing; Feng, Yonglan; Kuang, Daizhi] Hengyang Normal Univ, Dept Chem & Mat Sci, Hengyang 421008, Hunan, Peoples R China.
[Liu, Mengqin; Xu, Zhifeng; Li, Junhua; Zhang, Fuxing; Feng, Yonglan; Kuang, Daizhi] Hengyang Normal Univ, Hunan Prov College, Key Lab Funct Organometall Mat, Hengyang 421008, Hunan, Peoples R China.
通讯机构:
[Li, Junhua] H
Hengyang Normal Univ, Dept Chem & Mat Sci, Hengyang 421008, Hunan, Peoples R China.
语种:
英文
关键词:
Graphene oxide;Electrochemical sensor;4-Nitrophenol;Sensitive detection
期刊:
Journal of Hazardous Materials
ISSN:
0304-3894
年:
2012
卷:
201-202
页码:
250-259
基金类别:
Key Laboratory in Hunan Universities [09K099, 10K010]; Hengyang Normal University
机构署名:
本校为第一且通讯机构
院系归属:
化学与材料科学学院
摘要:
A graphene oxide (GO) film coated glassy carbon electrode (GCE) was fabricated for sensitive determination of 4-nitrophenol (4-NP). The GO-based sensor was characterized by scanning electron microscope, atomic force microscopy and electrochemical impedance spectroscopy. The electrochemical behaviors of 4-NP at the GO-film coated GCE were investigated in detail. In 0.1 M acetate buffer with a pH of 4.8, 4-NP yields a very sensitive and well-defined reduction peak at the GO-modified GCE. It is found that the GO film exhibits obvious electrocatalytic activity toward the reduction of 4-NP since it...

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