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Positron annihilation study of structural effect on photocatalytic activity of mesoporous TiO2 thin films
Yu RS(于润升); Qin XB(秦秀波); Wang QZ(王巧占); 张鹏(正); Wang BY(王宝义); Wei L(魏龙); Yu, RS; Qin, XB; Wang, QZ; Zhang, P; Wang, BY; Wei, L; Hao, WC; Wang, TM
2010
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
卷号268期号:14页码:2362-2365
通讯作者[Yu, R. S. ; Qin, X. B. ; Wang, Q. Z. ; Zhang, P. ; Wang, B. Y. ; Wei, L.] Chinese Acad Sci, Inst High Energy Phys, Key Lab Nucl Anal Tech, Beijing 100049, Peoples R China ; [Hao, W. C. ; Wang, T. M.] Beihang Univ, Ctr Mat Phys & Chem, Beijing 100083, Peoples R China
摘要Mesoporous TiO2 films were synthesized by using triblock copolymers via a sol-gel process in aqueous solution. It was found that a film calcined at 600 degrees C has the highest photocatalytic activity. By application of positron annihilation Doppler broadening spectroscopy combined with XRD, SEM, and N-2 adsorption desorption techniques, the film structural properties were examined systematically. It is revealed that an excellent photocatalytic activity could be achieved only if a film maintains a suitable TiO2 grain size, i.e. similar to 7.5 nm in the present study, a median specific surface area and a high crystallinity in anatase state. (C) 2010 Elsevier B.V. All rights reserved.
文章类型Article
关键词TiO2 Photocatalysis Mesoporous Positron annihilation
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics
DOI10.1016/j.nimb.2010.04.007
研究领域[WOS]Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
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语种英语
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Atomic, Molecular & Chemical ; Physics, Nuclear
WOS记录号WOS:000279041400009
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239730
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Yu RS,Qin XB,Wang QZ,et al. Positron annihilation study of structural effect on photocatalytic activity of mesoporous TiO2 thin films[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2010,268(14):2362-2365.
APA 于润升.,秦秀波.,王巧占.,张鹏.,王宝义.,...&Wang, TM.(2010).Positron annihilation study of structural effect on photocatalytic activity of mesoporous TiO2 thin films.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,268(14),2362-2365.
MLA 于润升,et al."Positron annihilation study of structural effect on photocatalytic activity of mesoporous TiO2 thin films".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 268.14(2010):2362-2365.
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