A novel strategy to synthesize Au nanoplates and their application for enzymeless H2O2 detection

被引：50

作者：

Ning, Rui ^{[1
,2
]}

Lu, Wenbo ^{[1
]}

Zhang, Yingwei ^{[1
]}

Qin, Xiaoyun ^{[1
]}

Luo, Yonglan ^{[1
]}

Hu, Jianming ^{[3
]}

Asiri, Abdullah M. ^{[4
,5
]}

Ai-Youbi, Abdulrahman O. ^{[4
,5
]}

Sun, Xuping ^{[1
,4
,5
]}

机构：

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

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

[3] Chongqing Normal Univ, Engn Key Lab Chongqing, Coll Phys & Elect Engn, Chongqing 400047, Peoples R China

[4] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 21589, Saudi Arabia

[5] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia

来源：

ELECTROCHIMICA ACTA | 2012年 / 60卷

基金：

中国国家自然科学基金;

关键词：

Au nanoplate; PQ11; Enzymeless; Hydrogen peroxide detection; AMPEROMETRIC GLUCOSE BIOSENSOR; HYDROGEN-PEROXIDE; GOLD NANOPARTICLES; ELECTRODE; SENSOR; FILM; CELLS; ASSAY; SIZE;

D O I：

10.1016/j.electacta.2011.10.066

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The present communication reports a novel and simple strategy to synthesize Au nanoplates (AuPs) by heating an aqueous solution of HAuCl4 in the presence of poly [(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)] (PQ11). Direct placing of the resultant dispersion on a glassy carbon electrode (GCE) surface gives a very stable AuPs-containing film exhibiting remarkable catalytic performance toward both the oxidation and reduction of H2O2. This enzymeless H2O2 sensor shows a fast amperometric response time of less than 3 s and the corresponding linear range and detection limit are estimated to be from 0.1 mM to 50 mM (r = 0.999) and 4 mu M at a signal-to-noise ratio of 3, respectively. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：13 / 16

页数：4

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