A hydrogen peroxide sensor based on Ag nanoparticles electrodeposited on natural nano-structure attapulgite modified glassy carbon electrode

被引：83

作者：

Chen, Huihui ^{[2
,3
]}

Zhang, Zhe ^{[1
]}

Cai, Dongqing ^{[2
]}

Zhang, Shengyi ^{[3
]}

Zhang, Bailin ^{[1
]}

Tang, Jilin ^{[1
]}

Wu, Zhengyan ^{[2
]}

机构：

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

[2] Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Ion Beam Bioengn, Hefei 230031, Peoples R China

[3] Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China

来源：

TALANTA | 2011年 / 86卷

基金：

中国国家自然科学基金;

关键词：

Hydrogen peroxide sensor; Ag nanoparticles; Electrodeposition; Attapulgite; CLAY-MODIFIED ELECTRODES; DIRECT ELECTROCHEMISTRY; HORSERADISH-PEROXIDASE; NANOCOMPOSITE FILM; CATALYTIC LABELS; COMPOSITE; HEMOGLOBIN; BIOSENSORS; NANOTUBES; ACID;

D O I：

10.1016/j.talanta.2011.09.011

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel strategy to fabricate hydrogen peroxide (H(2)O(2)) sensor was developed by electrodepositing Ag nanoparticles (NPs) on a glassy carbon electrode modified with natural nano-structure attapulgite (ATP). The result of electrochemical experiments showed that such constructed sensor had a favorable catalytic ability to reduce H(2)O(2). The good catalytic activity of the sensor was ascribed to the ATP that facilitated the formation and homogenous distribution of small Ag NPs. The resulted sensor achieved 95% of the steady-state current within 2 s and had a 2.4 mu m detection limit of H(2)O(2). (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：266 / 270

页数：5

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