PtxNi/C nanostructured composites fabricated by chemical reduction and their application in non-enzymatic glucose sensors

被引：25

作者：

Sheng, Qu ^{[1
]}

Mei, He ^{[1
]}

Wu, Huimin ^{[1
]}

Zhang, Xiuhua ^{[1
]}

Wang, Shengfu ^{[1
]}

机构：

[1] Hubei Univ, Coll Chem & Chem Engn, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Key Lab Synth & Applicat Organ Funct Mol,Minist E, Wuhan 430062, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 203卷

基金：

中国国家自然科学基金;

关键词：

Electrocatalysis; Oxidation of glucose; PtxNi nanostructures; Non-enzymatic glucose sensor; WALLED CARBON NANOTUBES; ELECTROCATALYTIC ACTIVITY; ALLOY NANOPARTICLES; OXYGEN REDUCTION; OXIDATION; ELECTRODE; NICKEL; FILM;

D O I：

10.1016/j.snb.2014.06.090

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Platinum-cobalt PtxNi alloy nanoparticles have been successfully fabricated by the chemical reduction method, using carbon (Vulcan XC-72) as support. The resulting modified glassy carbon electrode shows excellent catalytic activity for the oxidation of glucose. Under physiological conditions, the oxidation current of glucose has two specific linear ranges of 2.0-420 mu M and 0.5-8.5 mM, with high sensitivities of 1795.1 mu A mM(-1) cm(-2) and 707.72 mu A mM(-1) cm(-2), respectively. In addition, interference from the oxidation of ascorbic acid, uric acid, or acetamidophenol could be effectively avoided. The non-enzymatic glucose sensors based on this electrode exhibited excellent selectivity, stability, and repeatability. Thus, this novel non-enzyme sensor has potential application in glucose detection. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：588 / 595

页数：8

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