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Photoelectron Spectroscopic Study of Methanol Adsorbed Rutile TiO2(110) Surface
Hao, Qun-qing1; Wang, Zhi-qiang1,2; Dai, Dong-xu1; Zhou, Chuan-yao1; Yang, Xue-ming1
KeywordMethanol Tio2 Ultraviolet Photoelectron Spectroscopy Level Alignment
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
2017-12-01
ISSN1674-0068
DOI10.1063/1674-0068/30/cjcp1711219
Volume30Issue:6Pages:626-630
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS Research AreaPhysics
WOS KeywordCOUPLED ELECTRON-TRANSFER ; LEVEL ALIGNMENT ; TIO2 PHOTOCATALYSIS ; BAND-GAP ; PHOTOEMISSION ; WATER ; DISSOCIATION ; PRINCIPLES ; INTERFACES ; SCIENCE
AbstractMethanol/TiO2 (110) is a model system in the surface science study of photocatalysis where methanol is taken as a hole capture. However, the highest occupied molecular orbital of adsorbed methanol lies below the valence band maximum of TiO2, preventing the hole transfer. To study the level alignment of this system, electronic structure of methanol covered TiO2(110) surface has been measured by ultraviolet photoelectron spectroscopy and the molecular orbitals of adsorbed methanol have been clearly identified. The results indicate the weak interaction between methanol and TiO2 substrate. The static electronic structure also suggests the mismatch of the energy levels. These static experiments have been performed without band gap excitation which is the prerequisite of a photocatalytic process. Future study of the transient electronic structure using time-resolved UPS has also been discussed.
Language英语
WOS IDWOS:000423287900004
PublisherCHINESE PHYSICAL SOC
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168557
Collection中国科学院大连化学物理研究所
Corresponding AuthorZhou, Chuan-yao; Yang, Xue-ming
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Hao, Qun-qing,Wang, Zhi-qiang,Dai, Dong-xu,et al. Photoelectron Spectroscopic Study of Methanol Adsorbed Rutile TiO2(110) Surface[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2017,30(6):626-630.
APA Hao, Qun-qing,Wang, Zhi-qiang,Dai, Dong-xu,Zhou, Chuan-yao,&Yang, Xue-ming.(2017).Photoelectron Spectroscopic Study of Methanol Adsorbed Rutile TiO2(110) Surface.CHINESE JOURNAL OF CHEMICAL PHYSICS,30(6),626-630.
MLA Hao, Qun-qing,et al."Photoelectron Spectroscopic Study of Methanol Adsorbed Rutile TiO2(110) Surface".CHINESE JOURNAL OF CHEMICAL PHYSICS 30.6(2017):626-630.
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