Visible-light photoelectrocatalytic degradation of rhodamine B over planar devices using a multi-walled carbon Nanotube-TiO2 composite

被引：13
作者：
Wang, Qing [1 ]
Shang, Jing [1 ]
Song, Han [1 ]
Zhu, Tong [1 ]
Ye, Junhui [1 ]
Zhao, Fengwei [1 ]
Li, Jing [1 ]
He, Songjie [1 ]
机构：
[1] Peking Univ, Coll Environm Sci & Engn, Dept Environm Sci, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2013年 / 16卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Bulk heterojunction; MWCNTs-TiO2 composite film; Photoelectrocatalytic degradation; Planar device; Visible light; PHOTOCATALYTIC DEGRADATION; TITANIUM-DIOXIDE; TIO2; PHENOL; PHOTODEGRADATION; WATER;
D O I：
10.1016/j.mssp.2012.06.018
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Planar devices were prepared via immobilizing multiwalled carbon nanotubes (MWCNTs) and titanium dioxide (TiO2) sequentially on a glass substrate precovered with double symmetric-striped indium tin oxide (ITO) electrodes, which were denoted as the composite device of ITO/MWCNTs-TiO2/ITO. The MWCNTs-TiO2 composite film was grown into a bulk heterojunction structure, thereby offering the efficient exciton dissociation and charge transport. Compared with the blank device of ITO/TiO2/ITO, the composite device of ITO/MWCNTs-TiO2/ITO exhibited a much stronger visible response and promoted photo-electrocatalytic (PEC) degradation of rhodamine B 9.6 times under visible light irradiation. In addition, the composite device remained stable while performing PEC degradations of rhodamine B five times. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：480 / 484
页数：5
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