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学科主题: 物理化学
题名: Role of Silver Deposited on TiO2 for the Enhanced Photocatalytic Activity
作者: Liu SX(刘守新) ;  Qu ZP(曲振平) ;  Han XW(韩秀文) ;  Sun CL(孙承林) ;  Bao XH(包信和)
会议名称: 3rd Asia-Pacific Congress on Catalysis
会议日期: 2003-10-12
出版日期: 2003-10-12
会议地点: 中国
其他题名: 银改性二氧化钛对加强光催化活性的作用
通讯作者: 刘守新
部门归属: 九室,五室
主办者: 大连化物所
摘要: Application of heterogeneous photocatalytic reactions with TiO2 to enxironmental purification is promising,especiallyfor bio-recalcitrant organic contaminants.Low electron transfer rate to oxygen and high electron-hple pairs recombination rate significantly limit the rate of photooxidation of organic compounds on the catalyst surface.So the increase of the rate electron transfer to the oxidant can increase the recombination rate.A considerable increase of the photocatalytic activity has been reported with platinum deposited on TiO2 particles.The photocatalytic activity with silver deposit was much less enhanced than that with Pt,or even detrimental.Nevertheless,silver is most suitable for industrial applications due to its low cost,easy preparation and its special behavior for oxygen adsorption. In this work,silver loaded TiO2 photocatalysts were Preoared by photochemical impregnation mathod.DRS,EPR and photodegradation of phenol were used o characterize and evaluate the photocatalytic activity of obtained photocatalysts;the role of silver deposited on TiO2 for enhanced photocatalytic activity was discussed.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/111438
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:
Liu SX,Qu ZP,Han XW,et al. Role of Silver Deposited on TiO2 for the Enhanced Photocatalytic Activity[C]. 见:3rd Asia-Pacific Congress on Catalysis. 中国. 2003-10-12.
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