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学科主题物理化学
Effect of defects on photocatalytic dissociation of methanol on TiO2(110)
Zhou, Chuanyao; Ma, Zhibo; Ren, Zefeng; Mao, Xinchun; Dai, Dongxu; Yang, Xueming; Ren ZF(任泽峰); Yang XM(杨学明)
刊名CHEMICAL SCIENCE
2011
ISSN待补充
DOI10.1039/c1sc00249j
2期:10页:1980-1983
收录类别SCI
文章类型Article
部门归属11
项目归属1102
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]RUTILE TIO2(110) ; TIO2 SURFACES ; OXYGEN-CHEMISORPTION ; WATER ; ADSORPTION ; PRINCIPLES ; REACTIVITY ; CHEMISTRY ; MECHANISM ; OXIDATION
英文摘要Effect of defects on photocatalytic dissociation of methanol on TiO2(110); Photocatalytic dissociation of deuterated methanol (CD3OD) on both stoichiometric and reduced TiO2(110) surfaces was investigated using the time-dependent two-photon photoemission (2PPE) method, in order to understand the effect of defects on the kinetics of methanol dissociation on TiO2(110). By monitoring the time evolution of the photoinduced excited state on the methanol covered surface, the photocatalytic dissociation kinetics of methanol on the TiO2 surface were observed. The measured photodissociation rate on the reduced TiO2(110) surface is more than an order of magnitude faster than that on the stoichiometric surface. Since the reduced TiO2(110) surface has considerably more surface and subsurface defects than the stoichiometric surface, the experimental observation suggests that one or both of them could accelerate the photocatalysis process of methanol on the TiO2(110) surface in a significant way.
语种英语
WOS记录号WOS:000294503900015
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115403
专题中国科学院大连化学物理研究所
通讯作者Ren ZF(任泽峰); Yang XM(杨学明)
作者单位Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
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GB/T 7714
Zhou, Chuanyao,Ma, Zhibo,Ren, Zefeng,et al. Effect of defects on photocatalytic dissociation of methanol on TiO2(110)[J]. CHEMICAL SCIENCE,2011,2(10):1980-1983.
APA Zhou, Chuanyao.,Ma, Zhibo.,Ren, Zefeng.,Mao, Xinchun.,Dai, Dongxu.,...&杨学明.(2011).Effect of defects on photocatalytic dissociation of methanol on TiO2(110).CHEMICAL SCIENCE,2(10),1980-1983.
MLA Zhou, Chuanyao,et al."Effect of defects on photocatalytic dissociation of methanol on TiO2(110)".CHEMICAL SCIENCE 2.10(2011):1980-1983.
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