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题名: Significance of Crystal Morphology Controlling in Semiconductor-Based Photocatalysis: A Case Study on BiVO4 Photocatalyst
作者: Zhao, Yue1, 2;  Li, Rengui1;  Mu, Linchao1, 2;  Li, Can1
刊名: CRYSTAL GROWTH & DESIGN
发表日期: 2017-06-01
DOI: 10.1021/acs.cgd.7b00291
卷: 17, 页:2923-2928
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Crystallography ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Crystallography ;  Materials Science
英文摘要: Precise control of the morphology and crystalline structure of semiconductor-based photocatalyst is crucial for improving the efficiency of solar energy conversion system. In this-work, taking BiVO4 semiconductor photocatalyst as an example, we investigated the-formation process for '"the regular.decahedron BiVO4 crystals prepared by a: convenient hydrothermal method and found that the synthesis is unctergoing a dissolutionrecrystallization process, concomitantly, the phase was transformed from tetragonal zircon type to nionoclinic sheelite type. By controlling the kinetics of crystal, growth-for BiVO4 through regulating acidity of r.the reaction' solution, we rationally tune the morphology Of monoclinic BiVQ(4) from regular decahedron Crystals to, short rod-like particles,.particularly precisely-modulate the proportion of {010}/{011}' faCets, for the decahedron BiVQ(4). By tuning the-crystalline, phase and morphOlogies of BlVO(4),crystal, we found that the photocatalytic water oxidation activity for the well-defined BiVO4 crystal with specific configuration of {010} and {011} exposed facets can be SQ times of tetragonal NA7.04 particles. Our work shows a convenient strategy for precise Control olthe growth process of semiconductor-based photocatalyst, based on the understanding 'of the crystal morphology evolution mechanism, which will be instructive for constructing semiconductor-based photocatalysts for solar energy conversion.
关键词[WOS]: VISIBLE-LIGHT ;  HYDROGEN-PRODUCTION ;  TIO2 SURFACES ;  WATER ;  NANOCRYSTALS ;  MECHANISM ;  FACETS ;  PERFORMANCE ;  NANOSHEETS ;  ELECTRONS
语种: 英语
WOS记录号: WOS:000403136200003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152203
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, Collaborat Innovat Ctr Chem Energy Mat iChem, Dalian Natl Lab Clean Energy,State Key Lab Cataly, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhao, Yue,Li, Rengui,Mu, Linchao,et al. Significance of Crystal Morphology Controlling in Semiconductor-Based Photocatalysis: A Case Study on BiVO4 Photocatalyst[J]. CRYSTAL GROWTH & DESIGN,2017,17:2923-2928.
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