Electrochemical synthesis of hierarchical Cu2O stars with enhanced photoelectrochemical properties

被引：163

作者：

Mao, Yanchao ^{[1
]}

He, Jintian ^{[1
]}

Sun, Xiaofeng ^{[1
]}

Li, Wei ^{[1
]}

Lu, Xihong ^{[1
]}

Gan, Jiayong ^{[1
]}

Liu, Zhaoqing ^{[1
,3
]}

Gong, Li ^{[2
]}

Chen, Jian ^{[2
]}

Liu, Peng ^{[1
]}

Tong, Yexiang ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Inst Optoelect & Funct Composite Mat, MOE Key Lab Bioinorgan & Synthet Chem, KLGHEI Environm & Energy Chem,Sch Chem & Chem Eng, Guangzhou 510275, Guangdong, Peoples R China

[2] Sun Yat Sen Univ, Instrumental Anal & Res Ctr, Guangzhou 510275, Guangdong, Peoples R China

[3] Guangzhou Univ, Sch Chem & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2012年 / 62卷

关键词：

Hierarchical nanostructures; Cu2O; Electrodeposition; Photoelectrochemical cell; RAMAN-SCATTERING; CUPROUS-OXIDE; SOLAR-CELLS; FILM; NANOSTRUCTURES; DEPOSITION; NANOPARTICLES; NANOWIRES; CUO;

D O I：

10.1016/j.electacta.2011.10.106

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nanopyramid-assembled three-dimensional (3D) hierarchical Cu2O stars on F-doped SnO2 coated glass (FTO) substrates have been successfully synthesized using a rapid and facile electrodeposition approach from aqueous solutions near room temperature. Combined X-ray photoelectron spectroscopy (XPS) and X-ray-induced Cu LMM Auger studies reveal only Cu2O on the surface of the samples. The Cu20 stars exhibit superior photocurrent performance over Cu2O nanoparticles in photoelectrochemical cell applications. In addition, the photocurrent of the Cu2O samples is due to water splitting. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1 / 7

页数：7

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