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- Ruoff, Rodney S.
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Exfoliation of Graphite Oxide in Propylene Carbonate and Thermal Reduction of the Resulting Graphene Oxide Platelets
- Author(s)
- Zhu, Yanwu, Stoller, Meryl D., Cai, Weiwei, Velamakanni, Aruna, Piner, Richard D., Chen, David, Ruoff, Rodney S.
- Issued Date
- 2010-02
- Citation
- ACS NANO, v.4, no.2, pp.1227 - 1233
- Abstract
- Graphite oxide was exfoliated and dispersed in propylene carbonate (PC) by bath sonication. Heating the graphene oxide suspensions at 150 degrees C significantly reduced the graphene oxide platelets; paper samples comprising such reduced graphene oxide platelets had an electrical conductivity of 5230 S/m. By adding tetraethylammonium tetrafluoroborate (TEA BF4) to the reduced graphene oxide/PC slurry and making a two-cell ultracapacitor, specific capacitance values of about 120 F/g were obtained.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 1936-0851
- Keyword (Author)
- graphene, graphite oxide, propylene carbonate, ultracapacitor, characterization
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