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题名: Efficient Aerobic Oxidation of Glucose to Gluconic Acid over Activated Carbon-Supported Gold Clusters
作者: Liu, Chao1;  Zhang, Junying1;  Huang, Jiahui1;  Zhang, Chaolei1;  Hong, Feng1;  Zhou, Yang1;  Li, Gao1;  Haruta, Masatake1
关键词: aerobic oxidation ;  clusters ;  gluconic acid ;  glucose ;  gold
刊名: CHEMSUSCHEM
发表日期: 2017-05-09
DOI: 10.1002/cssc.201700407
卷: 10, 页:1976-1980
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The catalytic performance of the atomically precise gold cluster-Au-38(PET)(24) (PET=2-phenylethanethiolate), immobilized on activated carbon (AC), was investigated for the aerobic oxidation of glucose to gluconic acid. The Au-38(PET)(24)/AC-120 catalysts, annealed at 120 degrees C in air, exhibited high catalytic activity and significantly better performance than the corresponding catalysts Au-38/AC-150 and Au-38/AC-300 (treated at 150 and 300 degrees C to remove the protecting thiolate ligands). The high activity of the robust Au cluster was a result of the partial ligand removal, providing catalytically active sites, which were evidenced by TEM, X-ray photoelectron spectroscopy, thermogravimetric analysis, and Fourier-transform IR spectroscopy. Au-38(PET)(24)/AC-120 also showed excellent recyclability (up to seven cycles). The turnover frequency for the Au-38(PET)(24)/AC-120 catalyst was 5440h(-1), which is higher than for the Pd/AC, Pd-Bi/AC, and Au/AC under identical reaction conditions. This new ultra-small gold nanomaterial is expected to find wide application in other catalytic oxidations.
关键词[WOS]: BASE-FREE OXIDATION ;  CO OXIDATION ;  SELECTIVE OXIDATION ;  COUPLING REACTIONS ;  NANOPARTICLES ;  NANOCLUSTERS ;  CONVERSION ;  CATALYSIS ;  BIOMASS ;  HYDROGENATION
语种: 英语
WOS记录号: WOS:000401165900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152305
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, State Key Lab Catalysis, Gold Catalysis Res Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Liu, Chao,Zhang, Junying,Huang, Jiahui,et al. Efficient Aerobic Oxidation of Glucose to Gluconic Acid over Activated Carbon-Supported Gold Clusters[J]. CHEMSUSCHEM,2017,10:1976-1980.
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