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题名: H-2 production with ultra-low CO selectivity via photocatalytic reforming of methanol on Au/TiO2 catalyst
作者: Wu, Guopeng1, 2;  Chen, Tao1;  Su, Weiguang1;  Zhou, Guohua1;  Zong, Xu1;  Lei, Zhibin1;  Li, Can1
关键词: Au/TiO2 photocatalyst ;  H-2 production ;  CO selectivity ;  photocatalysis ;  methanol
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2008-02-01
DOI: 10.1016/j.ijhydene.2007.12.020
卷: 33, 期:4, 页:1243-1251
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: H-2 with ultra-low CO concentration was produced via photocatalytic reforming of methanol on Au/TiO2 catalyst. The rate of H-2 production is greatly increased when the gold particle size is reduced from 10 to smaller than 3 nm. The concentration of CO in H-2 decreases with reducing the gold particle size of the catalyst. It is suggested that the by-product CO is mostly produced via decomposition of the intermediate formic acid species derived from methanol. The smaller gold particles possibly switch the HCOOH decomposition reaction mainly to H-2 and CO2 products while suppress the CO and H2O products. In addition, some CO may be oxidized to CO2 by photogenerated oxidizing species at the perimeter interface between the small gold particles and TiO2 under photocatalytic condition. (C) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: GAS SHIFT REACTION ;  PURE HYDROGEN-PRODUCTION ;  WATER ;  TEMPERATURE ;  OXIDATION ;  TIO2 ;  FTIR ;  DECOMPOSITION ;  NANOPARTICLES ;  PT-TIO2
语种: 英语
WOS记录号: WOS:000254705700017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140810
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 116023, Peoples R China
2.Dalian Univ Technol, Lab Plasam Phys Chem, Dalian 116024, Peoples R China

Recommended Citation:
Wu, Guopeng,Chen, Tao,Su, Weiguang,et al. H-2 production with ultra-low CO selectivity via photocatalytic reforming of methanol on Au/TiO2 catalyst[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2008,33(4):1243-1251.
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