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Enhanced Photoactivity of Oxygen-Deficient Anatase TiO2 Sheets with Dominant {001} Facets

文献类型：期刊论文

作者Liu, Gang1,3,4; Yang, Hua Gui2; Wang, Xuewen4; Cheng, Lina1,3; Lu, Haofeng4; Wang, Lianzhou1,3; Lu, Gao Qing (Max)1,3; Cheng, Hui-Ming4
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2009-12-31
卷号113期号:52页码:21784-21788
ISSN号1932-7447
DOI10.1021/jp907749r
通讯作者Lu, Gao Qing (Max)(maxlu@uq.edu.au)
英文摘要Constructing photocatalytically favorable Surface structure in synthesizing photocatalysts plays an important role in enhancing the photocatalytic activity of semiconductor photocatalysts. In this report, oxygen-deficient anatase TiO2 sheets with dominant {001} facets were synthesized via a facile one-pot hydrothermal route with solid metallic titanium diboride as precursor. In contrast to anatase TiO2 sheets with dominant {001} facets free of oxygen deficiency and surface fluorine, anatase TiO2 sheets with oxygen deficiency and surface fluorine are Subject to obvious surface reconstruction as evidenced by two new Raman-active modes at 155 and 171 cm(-1) and the weakened B-1g mode at 397 cm(-1). Further analysis based on X-ray photoelectron spectroscopy (XPS) spectra of Pt 4f and F Is provided a clear evidence for the greatly strengthened interaction between Pt-loaded and TiO2 matrix as a result of a special electron-transfer process on the reconstructed Surface structure of TiO2 with both oxygen deficiency and fluorine. Importantly, the reconstructed surface structure as well as the strengthened interaction between Pt-loaded and TiO2 matrix can substantially enhance the hydrogen evolution rate from photocatalytic water splitting reactions.
资助项目Ministry of Science and Technology of China[2009CB220001] ; NSFC[50921004] ; Solar Energy Program of the Chinese Academy of Sciences ; IMR SYNL-T.S. KC Research Fellowship ; Australian Research Council[DP0666345] ; Pujiang Talents Program of Science and Technology Commission of Shanghai Municipality[09PJ1402800] ; [KJCX2-YW-H21-01]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000272936400045
出版者AMER CHEMICAL SOC
资助机构Ministry of Science and Technology of China ; NSFC ; Solar Energy Program of the Chinese Academy of Sciences ; IMR SYNL-T.S. KC Research Fellowship ; Australian Research Council ; Pujiang Talents Program of Science and Technology Commission of Shanghai Municipality
源URL[http://ir.imr.ac.cn/handle/321006/97738]  
专题金属研究所_中国科学院金属研究所
通讯作者Lu, Gao Qing (Max)
作者单位1.Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia
2.E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China
3.Univ Queensland, Sch Engn, ARC Ctr Excellence Funct Nanomat, Brisbane, Qld 4072, Australia
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Gang,Yang, Hua Gui,Wang, Xuewen,et al. Enhanced Photoactivity of Oxygen-Deficient Anatase TiO2 Sheets with Dominant {001} Facets[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(52):21784-21788.
APA Liu, Gang.,Yang, Hua Gui.,Wang, Xuewen.,Cheng, Lina.,Lu, Haofeng.,...&Cheng, Hui-Ming.(2009).Enhanced Photoactivity of Oxygen-Deficient Anatase TiO2 Sheets with Dominant {001} Facets.JOURNAL OF PHYSICAL CHEMISTRY C,113(52),21784-21788.
MLA Liu, Gang,et al."Enhanced Photoactivity of Oxygen-Deficient Anatase TiO2 Sheets with Dominant {001} Facets".JOURNAL OF PHYSICAL CHEMISTRY C 113.52(2009):21784-21788.

入库方式： OAI收割

来源：金属研究所

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