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W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible-light irradiation
Zou, Mingming1; Feng, Lu1; Zhang, Bingxue2; Zhou, Xinxin2; Yang, Minghui1,2
关键词Aerobic Oxidation Triethylamine Mesoporous W-n-tio2 Microspheres Surface Complex Visible Light
刊名NANOTECHNOLOGY
2017-10-27
DOI10.1088/1361-6528/aa8644
28期:43
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]TITANIUM-DIOXIDE ; TIO2 ; CATALYSIS ; AMINES ; PHOTOCATALYSIS ; SULFOXIDES ; SULFIDES ; CLEAVAGE ; WATER ; GOLD
英文摘要A kind of surface complex (triethylamine and mesoporous W-N-TiO2 microspheres with large surface area: 117.5 m(2)g(-1)) catalysis was achieved via visible-light photoredox catalysis. Triethylamine behaves as a true redox mediator due to its highly favorable donating ability. With a lower bandgap (2.43 eV) and higher valence band maximum (2.905 V), W-N-TiO2 has the ability to play an active catalytic role yielding excellent conversion and selective oxidation of thioanisole (75.16%) within 12 h under visible-light irradiation. In addition, the reaction and the photocatalyst are applicable to other kinds of thioethers, generally producing high conversion rates and selectivities for the product sulfoxides. The reaction paths were elucidated to reveal that these kinds of surface complexes show characteristics that are likely to be applicable to many aerobic oxidation reactions in future.
语种英语
WOS记录号WOS:000412392200002
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150214
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Solid State funct Mat Res Lab, Ningbo 315201, Zhejiang, Peoples R China
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GB/T 7714
Zou, Mingming,Feng, Lu,Zhang, Bingxue,et al. W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible-light irradiation[J]. NANOTECHNOLOGY,2017,28(43).
APA Zou, Mingming,Feng, Lu,Zhang, Bingxue,Zhou, Xinxin,&Yang, Minghui.(2017).W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible-light irradiation.NANOTECHNOLOGY,28(43).
MLA Zou, Mingming,et al."W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible-light irradiation".NANOTECHNOLOGY 28.43(2017).
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