Graphene-Pt nanocomposite for nonenzymatic detection of hydrogen peroxide with enhanced sensitivity

被引：147

作者：

Xu, Fugang ^{[1
,2
]}

Sun, Yujing ^{[1
]}

Zhang, Yue ^{[1
,2
]}

Shi, Yan ^{[1
,2
]}

Wen, Zhiwei ^{[1
,2
]}

Li, Zhuang ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanal Chem, Changchun 130022, Jilin, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Hydrogen peroxide; Nonenzymatic sensor; Graphene; Platinum nanoparticle; Nanocomposite; AG NANOPARTICLES; ELECTRODES; NANOSHEETS; METHANOL; OXIDE;

D O I：

10.1016/j.elecom.2011.07.017

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A sensitive hydrogen peroxide (H(2)O(2)) sensor was fabricated based on graphene-Pt (GN-Pt) nanocomposite. The GN-Pt was synthesized by photochemical reduction of K(2)PtCl(4) on GNs, and characterized by atomic force microscope (AFM), transmission electron microscope (TEM), and energy-dispersive X-ray spectroscopy (EDS). Electrochemical investigations indicated that the GN-Pt exhibited a high peak current and low overpotential towards the reduction of H(2)O(2). The GN-Pt modified glass carbon electrode displayed a wide linear range (2-710 mu M), low limit of detection (0.5 mu M) and good selectivity for detection of H(2)O(2) with a much higher sensitivity than that of Pt nanoparticles or graphene modified electrode. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1131 / 1134

页数：4

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