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学科主题: 物理化学
题名: The notable role of surface phase junction of TiO2 on its enhancement of photocatalytic activity
作者: Zhang J(张静) ;  Xu Q(徐倩) ;  Feng ZC(冯兆池) ;  Li C(李灿)
会议名称: 14th International Congress on Catalysis
会议日期: 2008-7-13
出版日期: 2008-07-13
会议地点: 韩国
其他题名: 表面相异质结在增强TiO2光催化活性上的显著作用
通讯作者: 李灿
部门归属: 五室
主办者: 第十四届国际催化会议组委会
摘要: Based on the phase characterization using a surface sensitive technique, UV Raman spectroscopy combined with XRD, visible Raman spectroscopy, HRTEM, and SEM, we found that photocatalytic activity of TiO2 can be greatly increased both for rutile deposited on anatase and for anatase deposited on rutile. These findings show that surface phase junction between anatase and rutile TiO2 is formed, and the formation of the surface phase junction could promote the charge separation in surface region. This finding reveals a general essence that the surface phase junction formed on a semiconductor photocatalyst is beneficial to the enhancement of charge separation, and consequently the photocatalytic activity.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/112928
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Zhang J,Xu Q,Feng ZC,et al. The notable role of surface phase junction of TiO2 on its enhancement of photocatalytic activity[C]. 见:14th International Congress on Catalysis. 韩国. 2008-7-13.
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