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学科主题物理化学
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)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2015-01-15
DOI10.1021/jp511763w
119期:2页:1170-1174
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
关键词[WOS]METHYL FORMATE ; PHOTOCATALYTIC DISSOCIATION ; RUTILE TIO2(110) ; TIO2 SURFACES ; METHANOL ; WATER ; 1ST-PRINCIPLES ; MICROSCOPY ; PRINCIPLES ; ADSORPTION
英文摘要Chemical 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).
语种英语
WOS记录号WOS:000348094000035
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143735
专题中国科学院大连化学物理研究所
通讯作者Ma ZB(马志博); Zhou CY(周传耀); Yang XM(杨学明)
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.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
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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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