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学科主题: 物理化学
题名: Molecular Hydrogen Formation from Photocatalysis of Methanol on Anatase-TiO2(101)
作者: Xu, Chenbiao1, 2;  Yang, Wenshao1;  Guo, Qing1;  Dai, Dongxu1;  Chen, Maodu2;  Yang, Xueming1
通讯作者: 郭庆 ;  杨学明
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2014-01-15
DOI: 10.1021/ja411020t
卷: 136, 期:2, 页:602-605
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: 11
项目归属: 1102
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
资助者: 1,1
研究领域[WOS]: Chemistry
英文摘要: Photocatalysis of methanol (CH3OH) on anatase (A)-TiO2(101) has been investigated using temperature programmed desorption (TPD) method with 266 nm light at low surface temperatures. Experimental results show that CH3OH adsorbs on the A-TiO2(101) surface predominantly in molecular form, with only a small amount of CH3OH in dissociated form. Photocatalytic products, formaldehyde (CH2O) and methyl formate (HCOOCH3), have been detected under 266 nm light irradiation. In addition to H2O formation, H-2 product is also observed by TPD spectroscopy. Experimental results indicate that H-2 product is formed via thermal recombination of H-atoms on the BBO sites from photocatalysis of CH3OH on the A-TiO2(101) surface, and H-2 production on the A-TiO2(101) surface is significantly more efficient than that on the rutile (R)-TiO2(110) surface.
关键词[WOS]: ANATASE TIO2(101) ;  SURFACE SCIENCE ;  TIO2 PHOTOCATALYSIS ;  WATER ;  ELECTRON ;  SPECTROSCOPY ;  CHEMISTRY ;  VACANCIES ;  PT/TIO2 ;  STEPS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000330018600016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119737
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
2.Dalian Univ Technol, Sch Phys & Optoelect Engn, Dalian 116024, Peoples R China

Recommended Citation:
Xu, Chenbiao,Yang, Wenshao,Guo, Qing,et al. Molecular Hydrogen Formation from Photocatalysis of Methanol on Anatase-TiO2(101)[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2014,136(2):602-605.
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