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Synthesis of Bimetallic Au-Ag/CMK-3 Catalysts and Their Catalytic Activity for the Oxidation of Amino Alcohol
Meng, Xiangzhan1,2; Yan, Ruiyi2; Zuo, Shouwei3; Zhang, Yongqiang1,2; Li, Zengxi1; Wang, Hui2,4
2020-08-19
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume59Issue:33Pages:14658-14667
AbstractCMK-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).
DOI10.1021/acs.iecr.0c01694
Language英语
WOS KeywordSOLVENT-FREE OXIDATION ; SELECTIVE OXIDATION ; HYDROGEN-PEROXIDE ; SUPPORTED GOLD ; CHEMOSELECTIVE HYDROGENATION ; ALLOY NANOPARTICLES ; AU ; PD ; CARBON ; OXYGEN
Funding ProjectInnovation 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 Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationInnovation Academy for Green Manufacture, Chinese Academy of Sciences ; National Natural Science Foundations of China ; CAS Pioneer Hundred Talents Program ; K. C. Wong Education Foundation
WOS IDWOS:000563070900012
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41740
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Zengxi; Wang, Hui
Affiliation1.Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China
2.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
3.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
Recommended Citation
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.
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