Synthesis of amorphous Pd-based nanocatalysts for efficient alcoholysis of styrene oxide and electrochemical hydrogen evolution

查看全文 作　　者：Yiyao [1]Ge;Jingjie [4,5]Ge;Biao [1,2]Huang;Xixi [1]Wang;Guigao [1]Liu;Xiang-Huan [6]Shan;Lu [7]Ma;Bo [1]Chen;Guanghua [8]Liu;Songmo [8]Du;An [1]Zhang;Hongfei [5]Cheng;Qingbo [1]Wa;Shiyao [1]Lu;Lujiang [1]Li;Qinbai [1]Yun;Kuo [1]Yuan;Qinxin [1]Luo;Zhichuan [5]J.Xu;Yonghua [7]Du;Hua [1,2,3]Zhang

机构地区：[1]Department of Chemistry,City University of Hong Kong,Hong Kong,China;[2]Hong Kong Branch of National Precious Metals Material Engineering Research Center(NPMM),City University of Hong Kong,Hong Kong,China;[3]Shenzhen Research Institute,City University of Hong Kong,Shenzhen 518057,China;[4]Department of Chemical and Biological Engineering,HKUST Jockey Club Institute for Advanced Study&Energy Institute,The Hong Kong University of Science and Technology,Hong Kong,China;[5]School of Materials Science and Engineering,Nanyang Technological University,Singapore 639798,Singapore;[6]Department of Chemistry,University of Science and Technology of China,Hefei 230026,China;[7]National Synchrotron Light Source II,Brookhaven National Laboratory,Upton,New York 11973,USA;[8]State Key Laboratory of New Ceramics&Fine Processing,School of Materials Science and Engineering,Tsinghua University,Beijing 100084,China

出　　处：《Nano Research》索引2023年第16卷第4期,共6页

基　　金：H.Z.thanks the support from ITC via the Hong Kong Branch of National Precious Metals Material Engineering Research Center(NPMM),the Research Grants Council of Hong Kong(No.11301721);the Start-Up Grant(No.9380100);the grants(No.1886921)from the City University of Hong Kong.This research used 7-BM of the National Synchrotron Light Source II,a U.S.Department of Energy(DOE)Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract(No.DE-SC0012704). 摘　　要：Amorphous nanomaterials with long-range disordered structures could possess distinct properties and promising applications,especially in catalysis,as compared with their conventional crystalline counterparts.It is imperative to achieve the controlled preparation of amorphous noble metal-based nanomaterials for the exploration of their phase-dependent applications.Here,we report a facile wet-chemical reduction strategy to synthesize various amorphous multimetallic Pd-based nanomaterials,including PdRu,PdRh,and PdRuRh.The phase-dependent catalytic performances of distinct Pd-based nanomaterials towards diverse catalytic applications have been demonstrated.Specifically,the usage of PdRu nanocatalysts with amorphous and crystalline face-centered cubic(fcc)phases can efficiently switch the ring-opening route of styrene oxide to obtain different products with high selectivity through alcoholysis reaction and hydrogenation reaction,respectively.Moreover,when used as an electrocatalyst for hydrogen evolution reaction(HER),the synthesized amorphous PdRh nanocatalyst exhibits low overpotential and high turnover frequency values,outperforming its crystalline fcc counterpart and most of the reported Pd-based HER electrocatalysts. 关键词：amorphous nanomaterials Pd-based nanocatalysts phase engineering of nanomaterials ring-opening reaction of styrene oxide electrocatalytic hydrogen evolution

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Synthesis of amorphous Pd-based nanocatalysts for efficient alcoholysis of styrene oxide and electrochemical hydrogen evolution

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