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题名: Photo-induced H-2 production from a CH3OH-H2O solution at insulator surface
作者: Li, Rengui1;  Wang, Xiuli1;  Jin, Shaoqing1, 2;  Zhou, Xin1;  Feng, Zhaochi1;  Li, Zheng1, 2;  Shi, Jingying1;  Zhang, Qiao1;  Li, Can1
刊名: SCIENTIFIC REPORTS
发表日期: 2015-08-28
DOI: 10.1038/srep13475
卷: 5
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: In a conventional photocatalytic or photochemical process, either a photocatalyst or a molecule is excited by irradiation light that has energy greater than the forbidden band (i.e., the band gap) of the semiconductor or the transition energy of an excited state of the molecule, respectively, for a reaction to occur. However, in this work, we found that a considerable amount of H-2 can be generated from a CH3OH-H2O solution at a quartz surface using light with energy far outside the electronic absorbance range of the CH3OH-H2O solution; this process should not occur in principle via either conventional photocatalysis or a photochemical process. The H-2 production was further confirmed using 266 nm and 355 nm lasers as light sources. Our work demonstrates that photoinduced H-2 production can occur on insulator surfaces (e.g., quartz), which were commonly believed to be inert, and will shed light on the surface nature of insulators.
关键词[WOS]: HYDROGEN-PRODUCTION ;  VACUUM-ULTRAVIOLET ;  185 NM ;  WATER ;  PHOTOLYSIS ;  METHANOL ;  OXIDES ;  OXYGEN ;  STATES ;  PHOTOCATALYST
语种: 英语
WOS记录号: WOS:000360238100001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146486
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy,Collaborat Innovat C, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Li, Rengui,Wang, Xiuli,Jin, Shaoqing,et al. Photo-induced H-2 production from a CH3OH-H2O solution at insulator surface[J]. SCIENTIFIC REPORTS,2015,5.
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