Preparation and photocatalytic activity of carbon coating TiO2 nanotubes

被引：4
作者：
Kong, Junhan [1 ]
Wang, Yongqian [1 ]
Wang, Zhengshu [1 ]
Jia, Hanxiang [1 ]
机构：
[1] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2016年 / 89卷
关键词：
TiO2; nanotubes; Carbon; Anodic oxidation; Photocatalytic activity; ONE-STEP; DEGRADATION; WATER; COMPOSITES; ENERGY; BLUE;
D O I：
10.1016/j.spmi.2015.11.013
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Carbon coating TiO2 nanotubes (TNTs) were successfully prepared via anodic oxidation method as well as hydrothermal method, and their photocatalytic activity was evaluated by photodegrading methylene blue. The crystal shape of carbon coating TNTs was affected by the heating treatment temperature and they had a great enhancement on visible light absorption while contrasting with the primitive TNTs. As for photocatalytic activity of carbon coating TNTs in this study, we found that the photo-degradation rate of them can reach to 92.5% after 4 h when the concentration of glucose was 0.025 M. At last, a tentative mechanism for the enhancement of sunlight absorption was proposed. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：252 / 258
页数：7
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