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Synthesis of Bimetallic Au-Ag/CMK-3 Catalysts and Their Catalytic Activity for the Oxidation of Amino Alcohol

文献类型：期刊论文

作者Meng, Xiangzhan3,4; Yan, Ruiyi3; Zuo, Shouwei2; Zhang, Yongqiang3,4; Li, Zengxi4; Wang, Hui1,3
刊名INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
出版日期2020-08-19
卷号59期号:33页码:14658-14667
ISSN号0888-5885
DOI10.1021/acs.iecr.0c01694
英文摘要CMK-3 supported highly dispersed Au-Ag bimetallic nanoparticles with different Ag/Au ratios were prepared by a sequential impregnation-reduction method without the use of any polymer stabilizer. The physicochemical properties of these catalysts were characterized with XRD, ICP-OES, EDS, TEM, XAFS, XPS, STEM, and H-2-TPD. The introduction of Ag influenced the surface Ag/Au ratios, particle size, and electronic and structural properties. The relationship between the desorption amount of H-2 and the ideal atomic arrangements with different Ag/Au ratios on the (1 1 1) planes revealed that the isolated atomic sites on the surface of alloy nanoparticles significantly improved the ability of hydrogen dissociation and the catalytic activity. As a result, compared with the monometallic Au/CMK-3, the conversion of monoethanolamine catalyzed by 10Ag90Au/CMK-3 could increase by 23% and the apparent activation energy was reduced by 10.9 kJ.mol(-1).
WOS关键词SOLVENT-FREE OXIDATION ; SELECTIVE OXIDATION ; HYDROGEN-PEROXIDE ; SUPPORTED GOLD ; CHEMOSELECTIVE HYDROGENATION ; ALLOY NANOPARTICLES ; AU ; PD ; CARBON ; OXYGEN
资助项目Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A12] ; National Natural Science Foundations of China[21676270] ; National Natural Science Foundations of China[21676277] ; National Natural Science Foundations of China[21878311] ; CAS Pioneer Hundred Talents Program ; K. C. Wong Education Foundation[GJTD-2018-04]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000563070900012
出版者AMER CHEMICAL SOC
资助机构Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; National Natural Science Foundations of China ; CAS Pioneer Hundred Talents Program ; K. C. Wong Education Foundation
源URL[http://ir.ipe.ac.cn/handle/122111/41739]  
专题中国科学院过程工程研究所
通讯作者Li, Zengxi; Wang, Hui
作者单位1.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
3.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, CAS Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc,Inst Proc, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Meng, Xiangzhan,Yan, Ruiyi,Zuo, Shouwei,et al. Synthesis of Bimetallic Au-Ag/CMK-3 Catalysts and Their Catalytic Activity for the Oxidation of Amino Alcohol[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2020,59(33):14658-14667.
APA Meng, Xiangzhan,Yan, Ruiyi,Zuo, Shouwei,Zhang, Yongqiang,Li, Zengxi,&Wang, Hui.(2020).Synthesis of Bimetallic Au-Ag/CMK-3 Catalysts and Their Catalytic Activity for the Oxidation of Amino Alcohol.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,59(33),14658-14667.
MLA Meng, Xiangzhan,et al."Synthesis of Bimetallic Au-Ag/CMK-3 Catalysts and Their Catalytic Activity for the Oxidation of Amino Alcohol".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 59.33(2020):14658-14667.

入库方式： OAI收割

来源：过程工程研究所

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