Electrodeposition of copper oxides (CuxOy) from acetate bath

被引：19

作者：

Mezine, Z. ^{[1
]}

Kadri, A. ^{[1
]}

Hamadou, L. ^{[1
]}

Benbrahim, N. ^{[1
]}

Chaouchi, A. ^{[2
]}

机构：

[1] Univ Mouloud Mammeri Tizi Ouzou, LPCM, Tizi Ouzou, Algeria

[2] Univ Mouloud Mammeri Tizi Ouzou, Lab Chim Appl & Genie Chim, Tizi Ouzou, Algeria

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2018年 / 817卷

关键词：

Copper oxides; Paramelaconite; Cuprite; ITO substrate; Electrodeposition; Nucleation model; CU2O FILMS; CUPROUS-OXIDE; ELECTROCHEMICAL NUCLEATION; OPTICAL-PROPERTIES; PHOTOCATALYTIC DEGRADATION; CUO NANOSTRUCTURES; GROWTH MECHANISMS; CRYSTAL-STRUCTURE; ANODE MATERIALS; CUPRITE CU2O;

D O I：

10.1016/j.jelechem.2018.03.055

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Herein, we report the study of the electrodeposition of copper oxides mainly Cuprite (Cu2O), paramelaconite Cu4O3 and tenorite (CuO) from a slightly acidic Cu(II) acetate solution on indium-doped tin oxide (ITO) substrate. A formation mechanism was proposed based on the observation of a series of reaction intermediates. The potential domain where the electrodeposition of copper oxides (CuxOy ) is possible was investigated. The nucleation mechanism of (Cu2O) during electrodeposition was studied as a function of Cu2+ concentrations and deposition potential by exploiting the electrochemical techniques such as cyclic voltammetry and chronoamperometry. This study enabled us to demonstrate that the nucleation process and the growth of dendrites obey the model of Scharifker and Hills 3D instantaneous under diffusion control. Morphological and structural characterizations of the electrodeposit are performed by scanning electron microscopy (SEM) and X-ray diffraction (XRD).

引用

页码：36 / 47

页数：12

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