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NiO-doped Au/Ti-powder: A catalyst with dramatic improvement in activity for gas-phase oxidation of alcohols
Zhao, Guofeng; Hu, Huanyun; Jiang, Zheng; Zhang, Shuo; Lu, Yong
2013
Source PublicationAPPLIED CATALYSIS A-GENERAL
ISSN0926-860X; 1873-3875
Volume467Pages:CONCATENATE(Sheet1!I233,-Sheet1!J233)
AbstractAn active and stable NiO@Au/Ti-powder catalyst, which can be obtained by doping Au/Ti-powder (Au: 35-40 nm) with NiO, has been developed for the gas-phase oxidation of alcohols. Gold particles are found to be partially covered with tiny NiO segments to form specific NiO@Au ensembles thereby leading to a dramatic conversion improvement from only similar to 5% (without NiO doping) to similar to 94% for the benzyl alcohol oxidation at 280 degrees C. Additionally, the selective oxidation of cyclopropyl carbinol can proceed over this catalyst at 280 degrees C with a selectivity of 94% and a conversion of 72-80% throughout the entire 300 h test. The hybrid active-sites, Ni2O3-Au+, on the NiO@Au ensemble are identified using X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS). (C) 2013 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000327803900021
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13838
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Zhao, Guofeng,Hu, Huanyun,Jiang, Zheng,et al. NiO-doped Au/Ti-powder: A catalyst with dramatic improvement in activity for gas-phase oxidation of alcohols[J]. APPLIED CATALYSIS A-GENERAL,2013,467:CONCATENATE(Sheet1!I233,-Sheet1!J233).
APA Zhao, Guofeng,Hu, Huanyun,Jiang, Zheng,Zhang, Shuo,&Lu, Yong.(2013).NiO-doped Au/Ti-powder: A catalyst with dramatic improvement in activity for gas-phase oxidation of alcohols.APPLIED CATALYSIS A-GENERAL,467,CONCATENATE(Sheet1!I233,-Sheet1!J233).
MLA Zhao, Guofeng,et al."NiO-doped Au/Ti-powder: A catalyst with dramatic improvement in activity for gas-phase oxidation of alcohols".APPLIED CATALYSIS A-GENERAL 467(2013):CONCATENATE(Sheet1!I233,-Sheet1!J233).
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