Flexible Field Emission of Nitrogen-Doped Carbon Nanotubes/Reduced Graphene Hybrid Films

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The outstanding flexible field emission properties of carbon hybrid films made of vertically aligned N-doped carbon nanotubes grown on mechanically compliant reduced graphene films are demonstrated. The bottom-reduced graphene film substrate enables the conformal coating of the hybrid film on flexible device geometry and ensures robust mechanical and electrical contact even in a highly deformed state. The field emission properties are precisely examined in terms of the control of the bending radius, the N-doping level, and the length or wall-number of the carbon nanotubes and analyzed with electric field simulations. This high-performance flexible carbon field emitter is potentially useful for diverse, flexible field emission devices.
Publisher
WILEY-BLACKWELL
Issue Date
2011-01
Language
English
Article Type
Article
Keywords

LIGHT-EMITTING DIODE; BLOCK-COPOLYMER LITHOGRAPHY; NANOTUBE ARRAYS; ELASTIC CONDUCTORS; DISPLAYS

Citation

SMALL, v.7, no.1, pp.95 - 100

ISSN
1613-6810
URI
http://hdl.handle.net/10203/25075
Appears in Collection
MS-Journal Papers(저널논문)
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