期刊
CHEMICAL PHYSICS LETTERS
卷 700, 期 -, 页码 108-113出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2018.04.019
关键词
Carbon materials; Nanoparticles; Powder technology
资金
- National Natural Science Foundation of China [41672150, 41072031]
- Natural Science Foundation of Hebei Province, China [D2017402150]
- China Scholarship Council
The mass production of graphene with high quality is desirable for its wide applications. Here, we demonstrated a facile method to exfoliate natural graphite into graphene in organic solvent by assisting of urea. The exfoliation of graphite may originate from the molecular wedge effect of urea, which can intercalate into the edge of natural graphite, thus facilitating the production of graphene dispersion with a high concentration up to 1.2 mg/mL. The obtained graphene is non-oxidized with negligible defects. Therefore, this approach has great promise in bulk production of graphene with superior quality for a variety of applications. (C) 2018 Elsevier B.V. All rights reserved.
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