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A general synthetic strategy to monolayer graphene

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Zhu Youqi 1,2   Cao Tai 2   Cao Chuanbao 1 *   Ma Xilan 1   Xu Xingyan 1   Li Yadong 2 *  
文摘 The emergence and establishment of new techniques for material fabrication are of fundamental importance in the development of materials science. Thus, we herein report a general synthetic strategy for the preparation of monolayer graphene. This novel synthetic method is based on the direct solid-state pyrolytic conversion of a sodium carboxylate, such as sodium gluconate or sodium citrate, into monolayer graphene in the presence of Na_2CO_3. In addition, gram-scale quantities of the graphene product can be readily prepared in several minutes. Analysis using Raman spectroscopy and atomic force microscopy clearly demonstrates that the pyrolytic graphene is composed of a monolayer with an average thickness of ~ 0.50 nm. Thus, the present pyrolytic conversion can overcome the issue of the low monolayer contents (i.e., 1 wt.%-12 wt.%) obtained using exfoliation methods in addition to the low yields of chemical vapor deposition methods. We expect that this novel technique may be suitable for application in the preparation of monolayer graphene materials for batteries, supercapacitors, catalysts, and sensors.
来源 Nano Research ,2018,11(6):3088-3095 【核心库】
DOI 10.1007/s12274-017-1703-3
关键词 monolayer graphene ; pyrolytic conversion ; sodium carboxylate ; bulk production
地址

1. Research Center of Materials Science, Beijing Institute of Technology, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, Beijing, 100081  

2. Department of Chemistry, Tsinghua University, Beijing, 100084

语种 英文
文献类型 研究性论文
ISSN 1998-0124
学科 物理学
基金 国家自然科学基金 ;  国家973计划
文献收藏号 CSCD:6315665

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引证文献 10 篇

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