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

文献类型：期刊论文

作者Ma, Zhibo3; Zhang, Ruidan1,2,3; Wang, Haochen3; Peng, Xingxing1,2,3; Peng, Ran-ran1,2,4; Liu, An-an1,2; Guo, Qing3; Zhou, Chuanyao3; Yang, Xueming3,5; Jiang, Ying1,2
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2019-04-18
卷号123期号:15页码:9993-9999
ISSN号1932-7447
DOI10.1021/acs.jpcc.9b02244
通讯作者Ma, Zhibo(zhbma@dicp.ac.cn) ; Ren, Zefeng(zfren@dicp.ac.cn)
英文摘要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.
WOS关键词METHYL FORMATE ; CHEMICAL-REACTIONS ; HYDROGEN-PRODUCTION ; ADSORPTION ; DISSOCIATION ; FORMALDEHYDE ; SURFACE ; RUTILE ; WATER ; 1ST-PRINCIPLES
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]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000465488600041
出版者AMER CHEMICAL SOC
资助机构Ministry of Science and Technology ; Ministry of Science and Technology ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Ministry of Science and Technology ; Ministry of Science and Technology ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Ministry of Science and Technology ; Ministry of Science and Technology ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Ministry of Science and Technology ; Ministry of Science and Technology ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS
源URL[http://cas-ir.dicp.ac.cn/handle/321008/171901]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Ma, Zhibo; Ren, Zefeng
作者单位1.Peking Univ, ICQM, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
2.Peking Univ, Sch Phys, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, 457 Zhongshan Rd, Dalian 116023, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab,Beijing Key Lab Engineered Con, Beijing 100190, Peoples R China
5.Southern Univ Sci & Technol, Dept Chem, 1088 Xueyuan Rd, Shenzhen 518055, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Ma, Zhibo,Zhang, Ruidan,Wang, Haochen,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 Ma, Zhibo.,Zhang, Ruidan.,Wang, Haochen.,Peng, Xingxing.,Peng, Ran-ran.,...&Ren, Zefeng.(2019).In Situ Studies on Temperature-Dependent Photocatalytic Reactions of Methanol on TiO2(110).JOURNAL OF PHYSICAL CHEMISTRY C,123(15),9993-9999.
MLA Ma, Zhibo,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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来源：大连化学物理研究所

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