Nanotomy-based production of transferable and dispersible graphene nanostructures of controlled shape and size

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dc.contributor.author Mohanty, Nihar
dc.contributor.author Moore, David
dc.contributor.author Xu, Zhiping
dc.contributor.author Sreeprasad, T. S.
dc.contributor.author Nagaraja, Ashvin
dc.contributor.author Rodriguez, Alfredo Alexander
dc.contributor.author Berry, Vikas
dc.date.accessioned 2012-05-29T14:45:58Z
dc.date.available 2012-05-29T14:45:58Z
dc.date.issued 2012-05-29
dc.identifier.uri http://hdl.handle.net/2097/13871
dc.description.abstract Because of the edge states and quantum confinement, the shape and size of graphene nanostructures dictate their electrical, optical, magnetic and chemical properties. The current synthesis methods for graphene nanostructures do not produce large quantities of graphene nanostructures that are easily transferable to different substrates/solvents, do not produce graphene nanostructures of different and controlled shapes, or do not allow control of GN dimensions over a wide range (up to 100 nm). Here we report the production of graphene nanostructures with predetermined shapes (square, rectangle, triangle and ribbon) and controlled dimensions. This is achieved by diamond-edge-induced nanotomy (nanoscale-cutting) of graphite into graphite nanoblocks, which are then exfoliated. Our results show that the edges of the produced graphene nanostructures are straight and relatively smooth with an ID/IG of 0.22–0.28 and roughness < 1 nm. Further, thin films of GN-ribbons exhibit a bandgap evolution with width reduction (0, 10 and ~35 meV for 50, 25 and 15 nm, respectively). en_US
dc.relation.uri http://www.nature.com/ncomms/journal/v3/n5/full/ncomms1834.html en_US
dc.subject Chemical sciences en_US
dc.subject Materials science en_US
dc.subject Nanotechnology en_US
dc.subject Graphene nanostructures en_US
dc.title Nanotomy-based production of transferable and dispersible graphene nanostructures of controlled shape and size en_US
dc.type Article (publisher version) en_US
dc.date.published 2012 en_US
dc.citation.doi doi: 10.1038/ncomms1834 en_US
dc.citation.epage 8 en_US
dc.citation.issue 844 en_US
dc.citation.jtitle Nature Communications en_US
dc.citation.spage 1 en_US
dc.citation.volume 3 en_US
dc.contributor.authoreid vberry en_US
dc.contributor.authoreid imok en_US

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