In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110)

doi:10.1021/acs.jpcc.9b02244

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	In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110)
	Zhang RD; Wang HC; Peng XX; 冯冉冉1,2,4); Liu AA; Guo Q; Zhou CY; Ma ZB; Yang XM; Jiang Y; Ren ZF
通讯作者	Ma, Zhibo(zhbma@dicp.ac.cn) ; Ren, Zefeng(zfren@dicp.ac.cn)
发表期刊	JOURNAL OF PHYSICAL CHEMISTRY C
	2019-04-18
卷号	123 期号:15 页码:9993-9999
ISSN	1932-7447
摘要	We studied the photocatalytic reaction of methanol on the TiO2(110) surface in situ by surface sum frequency generation vibrational spectroscopy. The in situ vibrational spectra of the photo-oxidation product, formaldehyde and methyl formate, on TiO2(110) was unambiguously assigned and identified. The temperature-dependent photocatalytic reaction efficiency was observed and suggested that the thermal diffusion might be important for the photocatalytic reaction. Scanning tunneling microscopy combined with ultraviolet light was used to investigate the photocatalytic reaction efficiency on the hydrox-ylated TiO2(110) surface, which shows that the neighboring hydroxyl group on the bridge-bonded oxygen site dramatically inhibits the photo oxidation of methanol because of the repulsion between hydroxyl groups. Our results provide direct vibrational spectral evidence of photo-oxidation products of methanol on TiO2(110), show the importance of thermal processes in surface photocatalytic reactions, and deepen our understanding on photochemistry on this surface.
DOI	10.1021/acs.jpcc.9b02244
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000465488600041
关键词[WOS]	METHYL FORMATE ; CHEMICAL-REACTIONS ; HYDROGEN-PRODUCTION ; ADSORPTION ; DISSOCIATION ; FORMALDEHYDE ; SURFACE ; RUTILE ; WATER ; 1ST-PRINCIPLES
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目	Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
资助项目	Ministry of Science and Technology[2018YFA0208700] ; Ministry of Science and Technology[2016YFA0200602] ; Chinese Academy of Sciences[XDB17000000] ; National Natural Science Foundation of China[91645125] ; National Natural Science Foundation of China[21673236] ; National Natural Science Foundation of China[21688102] ; Youth Innovation Promotion Association of CAS[2017224]
项目资助者	Ministry of Science and Technology ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS
论文分区	二类/Q1
力学所作者排名	4
RpAuthor	Ma, Zhibo ; Ren, Zefeng
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/80714
专题	微重力重点实验室
推荐引用方式 GB/T 7714	Zhang RD,Wang HC,Peng XX,et al. In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110)[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2019,123,15,:9993-9999.
APA	Zhang RD.,Wang HC.,Peng XX.,冯冉冉1,2,4).,Liu AA.,...&Ren ZF.(2019).In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110).JOURNAL OF PHYSICAL CHEMISTRY C,123(15),9993-9999.
MLA	Zhang RD,et al."In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110)".JOURNAL OF PHYSICAL CHEMISTRY C 123.15(2019):9993-9999.

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