Room temperature synthesis of CdS nanoparticle-decorated TiO2 nanotube arrays by electrodeposition with improved visible-light photoelectrochemical properties

被引：25
|
作者：
Xie, Kunpeng [1 ]
Wu, Zhi [1 ]
Wang, Mengye [1 ]
Yu, Jiangdong [1 ]
Gong, Cheng [1 ]
Sun, Lan [1 ]
Lin, Changjian [1 ]
机构：
[1] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2016年 / 63卷
基金：
中国国家自然科学基金;
关键词：
TiO2 nanotube arrays; CdS nanoparticles; Photocurrent; IPCE; Electrodeposition; SOLAR-CELLS; HETEROJUNCTION; SEMICONDUCTOR; FABRICATION; SUBSTRATE; ENERGY;
D O I：
10.1016/j.elecom.2015.12.013
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Controllable CdS nanoparticles (NPs) decorated on TiO2 nanotube arrays (NTAs) were prepared via electrodeposition in DMSO solution at room temperature, aiming to improve the photoelectrochemical properties of TiO2 NTA electrode in visible -light region. By tuning the concentrations of sulfur and Cd2+ as well as the deposition time, CdS NPs with different sizes can be controllably synthesized at room temperature. Excellent photocurrent response and incident photo to current conversion efficiency were achieved with smaller CdS NPs with optimal reactant concentrations and deposition time, which can be attributed to highly efficient charge separation and high dispersion of CdS NPs on both inner and outer surfaces of TiO2 nanotubes. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：56 / 59
页数：4
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