Fabrication of Cu2O/TiO2 nano-tube arrays photoelectrode and its enhanced photoelectrocatalytic performance for degradation of 2,4,6-trichlorophenol

被引：28

作者：

Ma, Qiuling ^{[1
]}

Zhang, Huixuan ^{[1
]}

Cui, Yuqi ^{[1
]}

Deng, Xiaoyong ^{[1
]}

Guo, Ruonan ^{[1
]}

Cheng, Xiuwen ^{[1
,3
]}

Xie, Mingzheng ^{[1
]}

Cheng, Qingfeng ^{[2
]}

机构：

[1] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Environm Pollut Predict & Control Gansu Pr, Key Lab Western Chinas Environm Syst,Minist Educ, Lanzhou 730000, Gansu, Peoples R China

[2] Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China

[3] Nanjing Univ Informat Sci & Technol, Jiangsu Engn Technol Res Ctr Environm Cleaning Mat, Collaborat Innovat Ctr Atmospher Environm & Equipm, Sch Environm Sci & Engn, Nanjing 210044, Jiangsu, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2018年 / 57卷

基金：

中国国家自然科学基金;

关键词：

Cu2O/TiO2 nano-tube arrays; Photoelectrode; Visible light; Photoelectrocatalysis; 2,4,6-Trichlorophenol; PHOTOCATALYTIC PERFORMANCE; TIO2; NANOTUBES; CU2O; NANOPARTICLES; OXIDATION; MECHANISM; FILMS; CDS; ELECTRODEPOSITION; DECOMPOSITION;

D O I：

10.1016/j.jiec.2017.08.020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cu2O decorated TiO2 nano-tube arrays (Cu2O/TiO2 NTAs) photoelectrode was fabricated through electrodeposition strategy. Meanwhile, physicochemical properties of the resulting photoelectrode were systematically studied by series of measurements. Results indicated that Cu2O/TiO2 NTAs photoelectrode performed a significantly enhanced light absorbance in the visible region between 400 and 800 nm, transient photocurrent density of 0.162 mA Cm-2, photogenerated charge separation efficiency and 99.9% of photoelectrocatalytic efficiency for decomposition of 2,4,6-trichlorophenol within 120 min Xenon illumination with the help of +1.0 V (vs. SCE) potential. Furthermore, the enhanced visible light responsible photoelectrocatalytic mechanism was proposed and discussed. (c) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：181 / 187

页数：7

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