Low temperature preparation of anatase TiO2-activated carbon composite film

被引：19
|
作者：
Ao, Yanhui [1 ,2 ,3 ,4 ]
Xu, Jingjing [1 ,2 ,3 ,4 ]
Fu, Degang [1 ,2 ,3 ,4 ]
Shen, Xunwei [1 ]
Yuan, Chunwei [1 ,2 ]
机构：
[1] Southeast Univ, State Key Lab Bioelect, Nanjing 210096, Peoples R China
[2] Southeast Univ, Sch Chem & Chem Engn, Nanjing 210096, Peoples R China
[3] Southeast Univ, Key Lab Environm & Biosafety Suzhou, Res Inst, Suzhou 215123, Peoples R China
[4] Jiangsu Lab Biomat & Dev, Nanjing 210096, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2008年 / 254卷 / 13期
基金：
中国国家自然科学基金;
关键词：
composite film; nano-micro structure; photocatalysis; titania; activated carbon; low temperature;
D O I：
10.1016/j.apsusc.2007.12.026
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Anatase titania-activated carbon composite film was prepared by a simple method at low temperature (75 degrees C at most). The film was characterized by XRD, SEM and BETanalysis. Results showed that the composite film was porous because it formed a nano-micro structure. The photocatalytic activity of the composite film was determined by degradation of 4-cholophenol (4-CP) under UV irradiation, and was compared to pure titania film and P25 film. It exhibited that the photocatalytic activity of composite film enhanced a lot. The recycle ability of the composite film was also investigated. The degradation ratio which was still higher than 85% after 5 cycles, decreased only 3% compared to the first cycle. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：4001 / 4006
页数：6
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