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题名	Splitting Water on Metal Oxide Surfaces
作者	Xu, Hu1 ; Zhang, Rui Qin 2; Ng, Alan M. C.1,3 ; Djurisic, Aleksandra B.3; Chan, Hung Tat 4; Chan, Wai Kin 4; Tong, S. Y.1
通讯作者	Tong, S. Y.
发表日期	2011-10-13
DOI	10.1021/jp2032884
发表期刊	Journal of Physical Chemistry C 影响因子和分区
ISSN	1932-7447
EISSN	1932-7455
卷号	115 期号:40页码:19710-19715
摘要	We have identified a class of metal oxide surfaces that are very effective in dissociating water. These oxide surfaces are characterized by having their surface O 2p level lying significantly above the valence band maximum (VBM) and within the band gap. Density functional theory is used to determine the adsorption energy per water molecule and finds that water dissociates completely at all coverages on these surfaces. Fourier transform infrared (FTIR) spectroscopy is used to verify that there is little or no molecular water present on the surface. Besides splitting water, this class of metal oxide surfaces should also be effective in splitting other kinds of hydrogen compounds. By contrast, oxides whose surface O 2p level lies buried inside the valence band are much less reactive, and water adsorbs on these surfaces in molecular form.
相关链接	[来源记录]
收录类别	SCI ; EI
语种	英语
学校署名	第一 ; 通讯
资助项目	RGC[CRF CityU6/CRF/08] ; RGC[GRF HKU 701910]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目	Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号	WOS:000295546100033
出版者	AMER CHEMICAL SOC
EI入藏号	20114114423654
EI主题词	Energy gap ; Fourier transform infrared spectroscopy ; Metallic compounds ; Metals ; Molecules ; Valence bands
EI分类号	Chemistry:801 ; Atomic and Molecular Physics:931.3
来源库	Web of Science
引用统计	被引频次[WOS]：41
成果类型	期刊论文
条目标识符	//www.snoollab.com/handle/2SGJ60CL/30446
专题	理学院_物理系
作者单位	1.S Univ Sci & Technol China, Nanostruct Inst Energy & Environm Res, Div Phys Sci, Shenzhen, Peoples R China 2.City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China 3.Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China 4.Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
第一作者单位	物理系
通讯作者单位	物理系
第一作者的第一单位	物理系
推荐引用方式 GB/T 7714	Xu, Hu,Zhang, Rui Qin,Ng, Alan M. C.,et al. Splitting Water on Metal Oxide Surfaces[J]. Journal of Physical Chemistry C,2011,115(40):19710-19715.
APA	Xu, Hu.,Zhang, Rui Qin.,Ng, Alan M. C..,Djurisic, Aleksandra B..,Chan, Hung Tat.,...&Tong, S. Y..(2011).Splitting Water on Metal Oxide Surfaces.Journal of Physical Chemistry C,115(40),19710-19715.
MLA	Xu, Hu,et al."Splitting Water on Metal Oxide Surfaces".Journal of Physical Chemistry C 115.40(2011):19710-19715.