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题名: Visible light photocatalysis over solid acid: Enhanced by gold plasmonic effect
作者: Lin, Feng1, 2;  Shao, Bin1;  Li, Zhen3;  Zhang, Junying1;  Wang, Huan1;  Zhang, Shaohua1;  Haruta, Masatake1, 4;  Huang, Jiahui1
关键词: Au SPR ;  SO42--TiO2 ;  Surface acidity ;  Pollutant ;  Photocatalytic oxidation
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2017-12-05
DOI: 10.1016/j.apcatb.2017.06.076
卷: 218, 页:480-487
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Solar driven catalysis by semiconductors is considered as a promising route to mitigate environmental problems caused by the combustion of fossil fuels and water pollution. Surface plasmon resonance (SPR) has offered a new opportunity to overcome the limited efficiency of photocatalysts. Herein we report that the SPR-mediated visible-light-responsive photocatalyst, 0.5 wt.% Au/SO42--TiO2, can achieve over 99% conversion of pollutants (thiophene, thiol, rhodamine B, and phenol) during photocatalytic oxidation with oxygen or air as oxidant under visible light irradiation. The considerable enhancement of photocatalytic activity can be attributed to the synergistic effect of Au SPR and Lewis acidic SO42--TiO2 which are beneficial for the efficient separation and transfer of the photo-generated electrons and holes. Such a strategy would be important to the design and preparation of highly photocatalytic active semiconductor catalysts. (C) 2017 Elsevier B.V. All rights reserved.
关键词[WOS]: HETEROGENEOUS PHOTOCATALYSIS ;  CATALYTIC-OXIDATION ;  HYDROGEN EVOLUTION ;  DUAL COCATALYSTS ;  SULFATED TIO2 ;  PARTICLE-SIZE ;  PHASE-CONTROL ;  FERMI-LEVEL ;  NANOPARTICLES ;  THIOPHENE
语种: 英语
WOS记录号: WOS:000407983000046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149883
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, Gold Catalysis Res Ctr, State Key Lab Catalysis, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Dalian Minzu Univ, Key Lab New Energy & Rare Earth Resource Utilizat, State Ethn Affairs Commiss, Sch Phys & Mat Engn, Dalian 116600, Peoples R China
3.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
4.Tokyo Metropolitan Univ, Res Ctr Gold Chem, Dept Appl Chem, Grad Sch Urban Environm Sci, 1-1 Minami Osawa, Hachioji, Tokyo 1920397, Japan

Recommended Citation:
Lin, Feng,Shao, Bin,Li, Zhen,et al. Visible light photocatalysis over solid acid: Enhanced by gold plasmonic effect[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2017,218:480-487.
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