期刊
CARBON
卷 50, 期 8, 页码 3113-3116出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.03.011
关键词
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资金
- European Research Council (OSIRIS) [228229]
- European Commission [NMP4-SL-2008-214281]
- European Research Council (ERC) [228229] Funding Source: European Research Council (ERC)
A simple solvent exchange method is introduced to prepare high-concentration and surfactant-free graphene liquid dispersion. Natural graphite flakes are first exfoliated into graphene in dimethylformamide (DMF). DMF is then exchanged by terpineol through distillation, relying on their large difference in boiling points. Graphene can then be concentrated thanks to the volume difference between DMF and terpineol. The concentrated graphene dispersions are used to fabricate transparent conductive thin films, which possess comparable properties to those prepared by more complex methods. (C) 2012 Elsevier Ltd. All rights reserved.
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