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Large-area ultrathin films of reduced graphene oxide

推荐nature nanotechnology 一片文章。%p2@~MW
[url]http://www.nature.com/nnano/journal/v3/n5/abs/nnano.2008.83.html[/url]8M1k8i0jC!SYw
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!~Qn\!ub? Cd Large-area ultrathin films of reduced graphene oxide as a transparent and flexible electronic material
6H-v7U+j? ]dA Goki Eda1, Giovanni Fanchini1 & Manish Chhowalla1(X4~0O
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AbstractThe integration of novel materials such as single-walled carbon nanotubes and nanowires into devices has been challenging, but developments in transfer printing and solution-based methods now allow these materials to be incorporated into large-area electronics1, 2, 3, 4, 5, 6. Similar efforts are now being devoted to making the integration of graphene into devices technologically feasible7, 8, 9, 10. Here, we report a solution-based method that allows uniform and controllable deposition of reduced graphene oxide thin films with thicknesses ranging from a single monolayer to several layers over large areas. The opto-electronic properties can thus be tuned over several orders of magnitude, making them potentially useful for flexible and transparent semiconductors or semi-metals. The thinnest films exhibit graphene-like ambipolar transistor characteristics, whereas thicker films behave as graphite-like semi-metals. Collectively, our deposition method could represent a route for translating the interesting fundamental properties of graphene into technologically viable devices.'V,m O8ld z4m9xnwV
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Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, New Jersey 08854, USA w,^ qrg|P
Correspondence to: Manish Chhowalla1 e-mail: [email]manish1@rci.rutgers.edu[/email]

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