Fabrication of Cu2O/TiO2 nanotube arrays with enhanced visible-light photoelectrocatalytic activity

被引：25
|
作者：
Xiang, Liyun [1 ]
Ya, Jing [1 ]
Hu, Fengjiao [1 ,2 ]
Li, Lixia [1 ]
Liu, Zhifeng [1 ]
机构：
[1] Tianjin Chengjian Univ, Sch Mat Sci & Engn, Tianjin 300384, Peoples R China
[2] Beijing Res Inst Mech & Elect Technol, Automot Interior Trim Tooling Ctr, Beijing 100083, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2017年 / 123卷 / 03期
关键词：
THIN-FILMS; WATER; SOLAR; NANOSTRUCTURES; CONVERSION; NANOWIRES; FACILE; DRIVEN; OXIDE; CU2O;
D O I：
10.1007/s00339-017-0799-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new electrochemical deposition process was developed to uniformly deposit Cu2O nanoparticles on the matrix of TiO2 nanotube (NT) arrays. The Cu2O nanoparticles have a particle size about 20 nm grown both inside and outside of the nanotubes without blocking the pore openings as characterized using XRD, SEM, TEM, and EDS measurements. The Cu2O/TiO2NTs heterogeneous structures also effectively improve the visible-light absorption and response comparing to those of TiO2NTs material. The photodegradation efficiency was increase by about 2.3 times on the Cu2O-decorated TiO2NTs materials as tested by degradation of methylene blue under simulated visible light.
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页数：7
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