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Photoluminescence characteristics of TiO2 and their relationship to the photoassisted reaction of water/methanol mixture
Shi, Jianying; Chen, Jun; Feng, Zhaochi; Chen, Tao; Lian, Yuxiang; Wang, Xiuli; Li, Can
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2007-01-18
DOI10.1021/jp065744z
111期:2页:693-699
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]ANATASE TIO2 ; PHOTOCATALYTIC ACTIVITY ; HETEROGENEOUS PHOTOCATALYSIS ; CRYSTAL-STRUCTURE ; TITANIUM-DIOXIDE ; ROOM-TEMPERATURE ; SINGLE-CRYSTALS ; UV RAMAN ; IN-SITU ; DEFECTS
英文摘要This work investigated the photoluminescence characteristics of TiO2 and discussed the relationship between the photoluminescence features of TiO2 and the photoassisted reaction of water/methanol mixture. It is found that anatase TiO2 displays a visible luminescence band centered at about 505 nm and rutile TiO2 mainly shows a near-infrared luminescence band centered at about 835 nm, which are respectively ascribed to the oxygen vacancies in anatase TiO2 and the intrinsic defects in rutile TiO2. The visible luminescence band is easily quenched by the Pt deposited on the surface of TiO2, while the near-infrared luminescence band is hardly influenced by the deposited Pt. It is suggested that the excited electrons trapped in the oxygen vacancies of anatase are facilely transferred to Pt to contribute to the photoassisted reaction, but the electrons trapped in the intrinsic defects of rutile are not.
语种英语
WOS记录号WOS:000245005300031
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被引频次:252[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/321008/140565
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Shi, Jianying,Chen, Jun,Feng, Zhaochi,et al. Photoluminescence characteristics of TiO2 and their relationship to the photoassisted reaction of water/methanol mixture[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2007,111(2):693-699.
APA Shi, Jianying.,Chen, Jun.,Feng, Zhaochi.,Chen, Tao.,Lian, Yuxiang.,...&Li, Can.(2007).Photoluminescence characteristics of TiO2 and their relationship to the photoassisted reaction of water/methanol mixture.JOURNAL OF PHYSICAL CHEMISTRY C,111(2),693-699.
MLA Shi, Jianying,et al."Photoluminescence characteristics of TiO2 and their relationship to the photoassisted reaction of water/methanol mixture".JOURNAL OF PHYSICAL CHEMISTRY C 111.2(2007):693-699.
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