High quality graphene with large flakes exfoliated by oleyl amineElectronic supplementary information (ESI) available: Experimental details and additional IR, SEM, TEM, XPS and electrical device characterizations. See DOI: 10.1039/c0cc00954g

Large-flake graphene membranes up to 300 μm 2 can be exfoliated from graphite by oleyl amine based on solvothermal conditions. The exfoliated graphene sheets are of high quality and have few defects. The graphene dispersion, predominantly composed of monolayer graphene, had a high concentration of 0...

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Main Authors: Zheng, Jian, Di, Chong-an, Liu, Yunqi, Liu, Hongtao, Guo, Yunlong, Du, Chunyan, Wu, Ti, Yu, Gui, Zhu, Daoben
Format: Article
Language:English
Online Access:Get full text
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Summary:Large-flake graphene membranes up to 300 μm 2 can be exfoliated from graphite by oleyl amine based on solvothermal conditions. The exfoliated graphene sheets are of high quality and have few defects. The graphene dispersion, predominantly composed of monolayer graphene, had a high concentration of 0.15 mg ml −1 , and can be stabilized against re-aggregation. High quality large-flake graphene membranes up to 300 μm 2 can be exfoliated from graphite by oleyl amine based on solvothermal conditions.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc00954g