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题名: Direct Imaging Single Methanol Molecule Photocatalysis on Titania
作者: Wei, Dong1;  Jin, Xianchi1;  Huang, Chuanqi2;  Dai, Dongxu1;  Ma, Zhibo1;  Li, Wei-Xue2;  Yang, Xueming1
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2015-08-06
DOI: 10.1021/acs.jpcc.5b05074
卷: 119, 期:31, 页:17748-17754
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
英文摘要: Photocatalysis of a single methanol molecule on the TiO2(110) surface was investigated using a high-resolution scanning tunneling microscopy (STM) technique. Three different types of elementary methanol photocatalytic processes, methanol photodissociation, photoinduced migration of formaldehyde, and formaldehyde photodesorption, were clearly observed. Detailed chemical structures of the intermediates were obtained through careful comparisons between experimental STM images and theoretical simulations based on density functional theory (DFT) calculations. This work demonstrates that elementary photocatalytic processes of a single methanol molecule on the surface can be followed step by step using advanced STM imaging techniques. Such a study can provide unprecedented insights into the surface photocatalytic processes and will greatly help us to understand photocatalysis at the most fundamental level.
关键词[WOS]: SCANNING-TUNNELING-MICROSCOPY ;  TOTAL-ENERGY CALCULATIONS ;  AUGMENTED-WAVE METHOD ;  TIO2 PHOTOCATALYSIS ;  HYDROGEN-PRODUCTION ;  METHYL FORMATE ;  X-1 SURFACE ;  BASIS-SET ;  TIO2(110) ;  WATER
语种: 英语
WOS记录号: WOS:000359332200029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146456
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Wei, Dong,Jin, Xianchi,Huang, Chuanqi,et al. Direct Imaging Single Methanol Molecule Photocatalysis on Titania[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(31):17748-17754.
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