Journal
SMALL
Volume 6, Issue 3, Pages 458-464Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200901162
Keywords
conductivity; electron microscopy; graphene; transparent films
Categories
Funding
- Science Foundation Ireland [03/CE3/M40651]
- IRCSET
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Graphite is exfoliated in water to give dispersions of mono- and few-layer graphene stabilized by surfactant These dispersions can be used to form thin, disordered films of randomly stacked, oxide-free, few-layer graphenes. These films are transparent with a direct current conductivity of tip to 1.5 x 10(4) S m(-1). The conditctivity is stable tinder flexing for at least 2000 cycles. The electrical properties are limited by disorder and aggregation suggesting future routes for improvement.
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