DICP OpenIR
Subject Area物理化学
Recombination of Formaldehyde and Hydrogen Atoms on TiO2(110)
Mao, Xinchun1; Wei, Dong1; Wang, Zhiqiang1; Jin, Xianchi1; Hao, Qunqing1; Ren, Zefeng2,3,4; Dai, Dongxu1; Ma, Zhibo1; Zhou, Chuanyao1; Yang, Xueming1; Ma ZB(马志博); Zhou CY(周传耀); Yang XM(杨学明)
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2015-01-15
DOI10.1021/jp511763w
Volume119Issue:2Pages:1170-1174
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordMETHYL FORMATE ; PHOTOCATALYTIC DISSOCIATION ; RUTILE TIO2(110) ; TIO2 SURFACES ; METHANOL ; WATER ; 1ST-PRINCIPLES ; MICROSCOPY ; PRINCIPLES ; ADSORPTION
AbstractChemical changes on methanol/TiO2(110) interface after UV illumination have been investigated by two-photon photoemission spectroscopy (2PPE) and scanning tunneling microscope (STM). Spontaneous recombination of the photocatalytic products, i.e., formaldehyde and hydrogen atoms at the bridging oxygen sites, has been observed using 2PPE. In addition, tip induced recombination of formaldehyde and hydrogen atoms has also been imaged using STM, which further shows that recombination can occur only when the photocatalytic dissociation products stay in the original sites. The experimental observation that methanol can only be dissociated under external forces such as UV illumination while the reverse reaction can take place spontaneously at 130 K may provide an important system for the theoretical calculations of the energetics of adsorbates/TiO2(110).
Language英语
WOS IDWOS:000348094000035
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/143735
Collection中国科学院大连化学物理研究所
Corresponding AuthorMa ZB(马志博); Zhou CY(周传耀); Yang XM(杨学明)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
2.Peking Univ, ICQM, Beijing 100871, Peoples R China
3.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
4.Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Mao, Xinchun,Wei, Dong,Wang, Zhiqiang,et al. Recombination of Formaldehyde and Hydrogen Atoms on TiO2(110)[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(2):1170-1174.
APA Mao, Xinchun.,Wei, Dong.,Wang, Zhiqiang.,Jin, Xianchi.,Hao, Qunqing.,...&杨学明.(2015).Recombination of Formaldehyde and Hydrogen Atoms on TiO2(110).JOURNAL OF PHYSICAL CHEMISTRY C,119(2),1170-1174.
MLA Mao, Xinchun,et al."Recombination of Formaldehyde and Hydrogen Atoms on TiO2(110)".JOURNAL OF PHYSICAL CHEMISTRY C 119.2(2015):1170-1174.
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