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dc.contributor.author박치영-
dc.contributor.authorMichio Matsumoto-
dc.contributor.authorYusuke Saito-
dc.contributor.authorTakanori Fukushima-
dc.contributor.authorTakuzo Aida-
dc.date.accessioned2021-06-09T04:17:26Z-
dc.date.available2021-06-09T04:17:26Z-
dc.date.issued2015-09-
dc.identifier.citationVOL 7, NO 9-736-
dc.identifier.issn1755-4330-
dc.identifier.other48106-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/65291-
dc.description.abstractGraphene has shown much promise as an organic electronic material but, despite recent achievements in the production of few-layer graphene, the quantitative exfoliation of graphite into pristine single-layer graphene has remained one of the main challenges in developing practical devices. Recently, reduced graphene oxide has been recognized as a non-feasible alternative to graphene owing to variable defect types and levels, and attention is turning towards reliable methods for the high-throughput exfoliation of graphite. Here we report that microwave irradiation of graphite suspended in molecularly engineered oligomeric ionic liquids allows for ultrahigh-efficiency exfoliation (93% yield) with a high selectivity (95%) towards 'single-layer' graphene (that is, with thicknesses <1 nm) in a short processing time (30 minutes). The isolated graphene sheets show negligible structural deterioration. They are also readily redispersible in oligomeric ionic liquids up to similar to 100 mg ml(-1), and form physical gels in which an anisotropic orientation of graphene sheets, once induced by a magnetic field, is maintained.-
dc.publisherNATURE CHEMISTRY-
dc.titleUltrahigh-throughput exfoliation of graphite into pristine 'single-layer' graphene using microwaves and molecularly engineered ionic liquids-
dc.typeArticle-
dc.relation.page730736-
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