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题名: W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible-light irradiation
作者: 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
发表日期: 2017-10-27
DOI: 10.1088/1361-6528/aa8644
卷: 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
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.
关键词[WOS]: TITANIUM-DIOXIDE ;  TIO2 ;  CATALYSIS ;  AMINES ;  PHOTOCATALYSIS ;  SULFOXIDES ;  SULFIDES ;  CLEAVAGE ;  WATER ;  GOLD
语种: 英语
WOS记录号: WOS:000412392200002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150214
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, 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

Recommended Citation:
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).
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