Nucleation and growth of selenium electrodeposition onto tin oxide electrode

被引：86

作者：

Lai, Yanqing ^{[1
]}

Liu, Fangyang ^{[1
]}

Li, Jie ^{[1
]}

Zhang, Zhian ^{[1
]}

Liu, Yexiang ^{[1
]}

机构：

[1] Cent S Univ, Sch Met Sci & Engn, Changsha 410083, Hunan, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2010年 / 639卷 / 1-2期

关键词：

Selenium; Electrodeposition; Nucleation; Growth; Chronoamperometry; QUARTZ-CRYSTAL MICROBALANCE; ATOMIC LAYERS; COPPER; SE; MECHANISMS; REDUCTION; AU(100); SILVER; ELECTROCRYSTALLIZATION; VOLTAMMETRY;

D O I：

10.1016/j.jelechem.2009.11.026

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The initial stages of selenium electrodeposition onto SnO2 coated glass substrates are studied using cyclic voltammetry and chronoamperometry. At low overpotential, the deposition of Se proceeds by a four-electron reduction of Se(W) to Se(0) and a 2D growth under instantaneous nucleation followed by a multilayer spiral growth mode. At high overpotential, the deposition of Se occurs through a comproportionation reaction between Se(]V) and Se(-II) generated from a six-electron reduction of Se(IV), and a 3D growth under progressive nucleation. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：187 / 192

页数：6

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