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题名: Direct Observation of Ethanol Photocatalysis on Rutile TiO2(110) Surface
作者: Wei, Dong1;  Jin, Xian-chi1;  Dai, Dong-xu1;  Ma, Zhi-bo1;  Yang, Xue-ming1
关键词: Titanium dioxide ;  Scanning tunneling microscope ;  Photocatalysis
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2015-08-01
DOI: 10.1063/1674-0068/28/cjcp1507155
卷: 28, 期:4, 页:465-470
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Photocatalytic dissociation of ethanol molecules on the rutile TiO2(110) surface after UV irradiation has been investigated by scanning tunneling microscope at 80 K. Most of the ethanol molecules adsorb molecularly at Ti sites, similar to the case of methanol. After UV irradiation, two different protrusions of products were observed, one of them has been identified by the technique of tip manipulation, which was likely composed of an acetaldehyde in the middle and two bridge-bonded hydroxyls on both neighbored oxygen sites. Multi-time irradiation experiments have also been performed to further understand the relationship between the two protrusions and the process of ethanol photocatalytic dissociation. These results provide detailed insights into the photocatalysis of ethanol on rutile TiO2(110), which would help us to understand how phtotocatalytic reactions of ethnaol proceed at the fundamental level.
关键词[WOS]: HYDROGEN-PRODUCTION ;  TIO2 PHOTOCATALYSIS ;  WATER ;  NANOPARTICLES ;  DISSOCIATION ;  CHEMISTRY ;  SCIENCE ;  ATOMS
语种: 英语
WOS记录号: WOS:000361418000014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146542
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, Peoples R China

Recommended Citation:
Wei, Dong,Jin, Xian-chi,Dai, Dong-xu,et al. Direct Observation of Ethanol Photocatalysis on Rutile TiO2(110) Surface[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2015,28(4):465-470.
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