Formation and Electrochemical Properties of Heterostructured Electrodes Based on Cu2O and CuCo2O4

被引:1
|
作者
Murashkina, Anna A. [1 ]
Rudakova, Aida V. [1 ,2 ]
Bakiev, Tair V. [1 ]
Emeline, Alexei V. [1 ,2 ]
Bahnemann, Detlef W. [1 ]
机构
[1] St Petersburg State Univ, Lab Photoact Nanocomposite Mat, St Petersburg 199034, Russia
[2] St Petersburg State Univ, Dept Photon, St Petersburg 199034, Russia
基金
俄罗斯科学基金会;
关键词
electrodeposition; nanostructures; surface modification; electrochemistry; BiVO4; Cu2O; CuCo2O4; PHOTOELECTROCHEMICAL STABILITY; PERFORMANCE; FILMS; MORPHOLOGY; NANOSHEETS;
D O I
10.3390/coatings14010141
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Individual (FTO/Cu2O and FTO/CuCo2O4) and heterostructured (FTO/BiVO4/Cu2O, FTO/BiVO4/CuCo2O4, and FTO/CuCo2O4/Cu2O) electrodes were successfully formed using the electrodeposition method on copper-containing compounds. The morphology of the synthesized electrode systems, which affect the electrochemical properties, was determined. A comparative study of the electrochemical and photoelectrochemical properties of the individual and heterostructured electrodes showed that the modification of the BiVO4 electrode surface with Cu2O and CuCo2O4 oxides led to a significant increase in its efficiency as a photoanode. The deposition of Cu2O nanoclusters onto CuCo2O4 nanoflakes increased the electrochemical stability of the electrode while maintaining its high capacitance.
引用
收藏
页数:15
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