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Understanding the growth mechanisms of metal-based core–shell nanostructures revealed by in situ liquid cell transmission electron microscopy

查看全文 作　　者：Junyu [1]Zhang;Bensheng [2]Xiao;Junhui [3]Zhao;Miao [2]Li;Haichen [5]Lin;Zewen [4]Kang;Xianwen [6]Wu;Haodong [5]Liu;Dong-Liang [2]Peng;Qiaobao [2]Zhang 高影响力作者 机构地区：[1]Instrumental Analysis Center,Laboratory and Equipment Management Department,Huaqiao University,Xiamen 361021,Fujian,China;[2]Department of Materials Science and Engineering,College of Materials,Xiamen University,Xiamen 361005,Fujian,China;[3]College of Materials Science and Engineering,Huaqiao University,Xiamen 361021,Fujian,China;[4]College of Chemical Engineering,Huaqiao University,Xiamen 361021,Fujian,China;[5]Chemical Engineering,UC San Diego,La Jolla,CA 92093,United States;[6]School of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan,China高影响力机构 出　　处：《Journal of Energy Chemistry》索引2022年第31卷第8期,共15页高影响力期刊 基　　金：financially supported by the National Natural Science Foundation of China(22001083,52072323,52122211);the“Double-First Class”Foundation of Materials and Intelligent Manufacturing Discipline of Xiamen University。 摘　　要：Metal-based core-shell nanostructures have garnered enduring interest due to their unique properties and functionalities.However,their growth and transformation mechanisms in liquid media remain largely unknown because they lack direct observation of the dynamic growth process with high spatial and temporal resolution.Developing the in situ liquid cell transmission electron microscopy(TEM)technique offers unprecedented real-time imaging and spectroscopy capabilities to directly track the evolution of structural and chemical transformation of metal-based core–shell nanostructures in liquid media under their working condition.Here,this review highlights recent progress in utilizing in situ liquid cell TEM characterization technique in investigating the dynamic evolution of material structure and morphology of metal-based core–shell nanostructures at the nano/atomic scale in real-time.A brief introduction of the development of liquid cells for in situ TEM is first given.Subsequently,recent advances in in situ liquid cell TEM for the fundamental study of growth mechanisms of metal based core–shell nanostructures are discussed.Finally,the challenge and future developments of metalbased core–shell nanostructures for in situ liquid cell TEM are proposed.Our review is anticipated to inspire ongoing interest in revealing unseen growth dynamics of core–shell nanostructures by in situ liquid cell TEM technique. 关 键 词：In situ liquid cell TEM Metal-based core–shell nanostructures Growth mechanisms
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