Poly(1-Naphthylamine)-Nickel Modified Glassy Carbon Electrode for Electrocatalytic Oxidation of Formaldehyde in Alkaline Medium

被引：0
|
作者：
Liu, Yuxia [1 ]
机构：
[1] Guangxi Normal Univ Nationalities, Dept Phys & Elect Engn, Chongzuo 532200, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2013年 / 8卷 / 04期
关键词：
1-Naphthylamine; Nickel oxyhydroxide; Formaldehyde; Sensor; METHANOL ELECTROOXIDATION; PLATINUM-ELECTRODES; FUEL-CELLS; ACID; NANOPARTICLES; NANOTUBES;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrocatalytic oxidation of formaldehyde on poly(1-naphthylamine)-nickel modified glassy carbon electrode (P(NA)-Ni/GCE) was developed. This involves in situ electropolymerization of 1-naphthylamine at glassy carbon electrode, which is following to the incorporation of Ni(II) to polymeric layer by immersion of modified electrode in 1.0 M nickel sulphate solution. The general electrochemical behavior was characterized by cyclic voltammetry and chronoamperometry methods in alkaline media. The results show that the (P(NA)-Ni/GCE system exhibits a significant electrocatalytic activity towards oxidation of formaldehyde. The effects of scan rate and formaldehyde concentration on the electrocatalytic oxidation of formaldehyde were also investigated at the surface of P(NA)-Ni/GCE. The diffusion coefficient (D = 2.85x10(-4) cm(2) s(-1)), and the transfer coefficient (alpha = 0.36) of formaldehyde were calculated.
引用
收藏
页码：4776 / 4784
页数：9
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