Preparation and application of a highly sensitive nonenzymatic ethanol sensor based on nickel nanoparticles/Nafion/graphene composite film

被引：37
作者：
Jia, Li-Ping [1 ,2 ]
Wang, Huai-Sheng [2 ]
机构：
[1] Soochow Univ, Dept Chem, Suzhou 215123, Peoples R China
[2] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng 252059, Shandong, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 177卷
基金：
中国国家自然科学基金;
关键词：
Nickel nanoparticles; Graphene; Ethanol; Nonenzymatic sensor; Electrodeposition; ELECTROCATALYTIC OXIDATION; ALCOHOL-DEHYDROGENASE; MODIFIED ELECTRODE; GRAPHENE; REDUCTION; METHANOL; OXIDE; H2O2; NADH;
D O I：
10.1016/j.snb.2012.12.030
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Nickel nanoparticles (nano Ni) were electrochemically deposited on the Nafion/graphene film modified glassy carbon electrode (GCE) and a nonenzymatic ethanol sensor was fabricated. The properties of the nano Ni/Nafion/graphene film were investigated by using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The results showed that the Ni nanoparticles could be formed uniformly on the Nafion/graphene film and the nonenzymatic sensor had high electrocatalytic activity to the oxidation of ethanol in alkaline media. The oxidative currents were linear with the concentration of ethanol in the range of 0.43-88.15 mM, and the detection limit was 0.12 mM (S/N = 3), which was superior to those obtained with other transition metal based nonenzymatic sensors. The nonenzymatic sensor was applied for the detection of ethanol in real liquor samples with satisfied results. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：1035 / 1042
页数：8
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