表面修饰双层石墨烯高压拉曼研究

doi:10.3969/j.issn.0253-2778.2020.07.006

中国科学技术大学学报 ›› 2020, Vol. 50 ›› Issue (7): 906-911.DOI: 10.3969/j.issn.0253-2778.2020.07.006

表面修饰双层石墨烯高压拉曼研究

杜进祥，倪堃，陶柱晨，朱彦武

合肥微尺度物质科学国家研究中心，中国科学院能量转换材料重点实验室，能源材料化学协同创新中心，中国科学技术大学材料科学与工程系,安徽合肥 230026

收稿日期:2020-04-21 修回日期:2020-05-15 接受日期:2020-05-15 出版日期:2020-07-31 发布日期:2020-05-15
通讯作者: 朱彦武
作者简介:杜进祥，男，1995年生，硕士. 研究方向：先进碳材料. E-mail: djx3369@mail.ustc.edu.cn
基金资助:
国家自然科学基金（51772282, 51972299，52003265），合肥物质科学中心培育基金（2017FXCX007），中国博士后科学基金(2019TQ0306)资助.

Raman study of surface modified bi-layer graphene under high pressure

DU Jinxiang, NI Kun, TAO Zhuchen, ZHU Yanwu

Hefei National Research Center for Physical Sciences at the Microscale, and CAS Key Laboratory of Materials for Energy Conversion, and Collaborative Innovation Center of Chemistry for Energy Materials， and Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China

Received:2020-04-21 Revised:2020-05-15 Accepted:2020-05-15 Online:2020-07-31 Published:2020-05-15

摘要/Abstract

摘要： 拉曼光谱是表征石墨烯结构和性质的有效方法.高压环境会显著改变双层石墨烯的层间相互作用，进而改变其结构及物理性质.但是高压环境比较复杂，双层石墨烯的拉曼行为受传压介质、衬底、电子掺杂等多重因素的影响，这些因素对高压下双层石墨烯结构及拉曼光谱的影响机制与过程仍有待明确.为此研究了双层石墨烯在金刚石压砧中受到压力时，甲醇、甲醇/乙醇混合、氢气等传压介质对双层石墨烯拉曼光谱的影响，石墨烯悬空于金网衬底和生长于铜镍合金衬底上的不同，以及预先氟化对于拉曼光谱的影响.研究发现以悬空金网为衬底，在预先氟化条件下，氢气等单一传压介质做修饰时有助于双层石墨烯在高压下发生层间sp3杂化，有利于促进少层石墨烯到超薄金刚石薄膜的相变.此研究为高压下构建新型碳结构材料提供了更多有利的指引.

关键词: 双层石墨烯, 高压, 拉曼光谱, 原位测量

Abstract: Raman spectroscopy is one of the most effective ways to characterize the structure and properties of graphene. The interlayer interactions in bi-layer graphene

Key words: bi-layer graphene, high pressure, Raman spectroscopy, in-situ measurement

中图分类号:

O613.71

杜进祥，倪堃，陶柱晨，朱彦武. 表面修饰双层石墨烯高压拉曼研究[J]. 中国科学技术大学学报, 2020, 50(7): 906-911.

DU Jinxiang, NI Kun, TAO Zhuchen, ZHU Yanwu. Raman study of surface modified bi-layer graphene under high pressure[J]. Journal of University of Science and Technology of China, 2020, 50(7): 906-911.

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表面修饰双层石墨烯高压拉曼研究

Raman study of surface modified bi-layer graphene under high pressure

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