Electrocodeposition of silver and silicomolybdate hybrid nanocomposite for nonenzymatic hydrogen peroxide sensor

被引：11

作者：

Lin, Kuo Chiang ^{[1
]}

Wu, Tsung Han ^{[1
]}

Chen, Shen Ming ^{[1
]}

机构：

[1] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, Electroanal & Bioelectrochem Lab, Taipei 106, Taiwan

来源：

RSC ADVANCES | 2015年 / 5卷 / 51期

关键词：

CARBON NANOTUBE COMPOSITE; IONIC LIQUID; GRAPHENE NANOSHEETS; AG NANOPARTICLES; PRUSSIAN BLUE; BIOSENSOR; ELECTRODE; NANORODS; GLUCOSE; FILM;

D O I：

10.1039/c5ra04366b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Novel silver and silicomolybdate (SiMO) hybrid nanocomposite (Ag-SiMO) has been successfully fabricated for nonenzymatic hydrogen peroxide (H2O2) detection. The composite is prepared by the electrocodeposition of silver and silicomolybdate and studied by scanning electron microscopy (SEM) and atomic force microscopy (AFM). In neutral condition, the electrode shows good activity towards H2O2 reduction with low overpotential. Amperometric response (E-app. = -0.2 V) provides linear range of 5 x 10(-5)-2.345 x 10(-2) M with sensitivity of 974.2 mu A mM(-1) cm(-2), detection limit of 1 x 10(-7) M (S/N = 3), and response time of 5 s. The Ag-SiMO electrode can analyse H2O2 promising a nonenzymatic H2O2 sensor due to its low overpotential, high sensitivity, good stability, fast response, and low cost.

引用

页码：41224 / 41229

页数：6

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