Intercalator-assisted plasma-liquid technology:an efficient exfoliation method for few-layer two-dimensional materials  

插层剂辅助等离子体液相技术用于高效制备少层二维材料

作　　者：Hao Huang Ming Gao Jiahong Wang Paul KChu Yifan Huang Xue-Feng Yu 黄浩;高明;王佳宏;朱剑豪;黄逸凡;喻学锋(Shenzhen Engineering Center for the Fabrication of Two-Dimensional Atomic Crystals,Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,China;University of Chinese Academy of Sciences,Beijing 100049,China;Department of Physics,Department of Materials Science and Engineering,and Department of Biomedical engineering,City University of Hong Kong,Tat Chee Avenue,Kowloon,Hong Kong,China)

机构地区：[1]Shenzhen Engineering Center for the Fabrication of Two-Dimensional Atomic Crystals,Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,China [2]University of Chinese Academy of Sciences,Beijing 100049,China [3]Department of Physics,Department of Materials Science and Engineering,and Department of Biomedical engineering,City University of Hong Kong,Tat Chee Avenue,Kowloon,Hong Kong,China

出　　处：《Science China Materials》2020年第10期2079-2085,共7页中国科学（材料科学（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(21975280);Shenzhen Science and Technology Research Funding(JCYJ20180507182530279);the Frontier Science Key Programs of Chinese Academy of Sciences(QYZDB-SSWSLH034),Guangdong Special Support Program(2017TX04C096);the Leading Talents of Guangdong Province Program(00201520);the City University of Hong Kong Strategic Research Grants(SRG,7005105 and 7005264).

摘　　要：本工作提出了一种插层剂辅助的等离子体液相技术用于高效地剥离高质量少层二维材料.采用氯化锂为插层剂可快速剥离石墨纸,形成具有小D峰/G峰比(0.02)以及大碳氧比(31.5)的石墨烯产物.并且,这种方法可以拓展至高质量少层2H相二硫化钼的制备.和传统的插层剂辅助电化学方法相比,等离子体诱导产生的大量活性粒子以及快速的电子转移,使得插层剂辅助的等离子体液相技术剥离的产物缺陷少且不会引入额外的基团.这种可控的快速剥离方法在制备其他各种类型的高质量二维材料方面都具有巨大潜力.

关 键 词：二维材料 插层剂 等离子体 二硫化钼 活性粒子 电化学方法 电子转移 石墨烯 

分 类 号：TB34[一般工业技术—材料科学与工程]