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Silica-supported Au-Cu alloy nanoparticles as an efficient catalyst for selective oxidation of alcohols
Li, Wanjun1,2; Wang, Aiqin1; Liu, Xiaoyan1; Zhang, Tao1
关键词Gold Copper Au-cu Au-ag Synergetic Effect Alcohol Oxidation
刊名APPLIED CATALYSIS A-GENERAL
2012-08-08
DOI10.1016/j.apcata.2012.05.014
433页:146-151
收录类别SCI ; CCR
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]OXIDANT-FREE DEHYDROGENATION ; AEROBIC OXIDATION ; HETEROGENEOUS CATALYST ; MOLECULAR-OXYGEN ; MESOPOROUS SUPPORT ; CO OXIDATION ; MIXED OXIDES ; MG-AL ; GOLD ; CLUSTERS
英文摘要Silica-supported Au-Cu and Au-Ag alloy nanoparticles were synthesized, characterized, and tested for the aerobic oxidation of alcohols. The results showed that Au-Cu alloy catalyst exhibited good activity and selectivity to aldehydes for a variety of structurally diverse alcohols and a strong synergistic effect was found between Au and Cu. In contrast, Au-Ag alloy catalysts were less active and selective for the oxidation of alcohols although they have very similar particle sizes to the Au-Cu alloy catalysts. Besides the chemical compositions, the pretreatment conditions were found to affect significantly the catalytic performances, and the reduction treatment is necessary for obtaining a high activity and selectivity, suggesting Au-Cu alloy is the active phase. Moreover, the catalyst could be reused if only the catalyst after the reaction was subjected to reduction treatment. (C) 2012 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000307321400019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138031
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Li, Wanjun,Wang, Aiqin,Liu, Xiaoyan,et al. Silica-supported Au-Cu alloy nanoparticles as an efficient catalyst for selective oxidation of alcohols[J]. APPLIED CATALYSIS A-GENERAL,2012,433:146-151.
APA Li, Wanjun,Wang, Aiqin,Liu, Xiaoyan,&Zhang, Tao.(2012).Silica-supported Au-Cu alloy nanoparticles as an efficient catalyst for selective oxidation of alcohols.APPLIED CATALYSIS A-GENERAL,433,146-151.
MLA Li, Wanjun,et al."Silica-supported Au-Cu alloy nanoparticles as an efficient catalyst for selective oxidation of alcohols".APPLIED CATALYSIS A-GENERAL 433(2012):146-151.
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