Field emission from graphene based composite thin films

Goki Eda; H. Emrah Unalan; Nalin Rupesinghe; Gehan A.J. Amaratunga; Manish Chhowalla

doi:10.1063/1.3028339

Field emission from graphene based composite thin films

Goki Eda, H. Emrah Unalan, Nalin Rupesinghe, Gehan A.J. Amaratunga, Manish Chhowalla

Rutgers University

Research output: Contribution to journal › Article › peer-review

230 Citations (Scopus)

Abstract

Field emission from graphene is challenging because the existing deposition methods lead to sheets that lay flat on the substrate surface, which limits the field enhancement. Here we describe a simple and general solution based method for the deposition of field emitting graphene/polymer composite thin films. The graphene sheets are oriented at some angles with respect to the substrate surface leading to field emission at low threshold fields (∼4 V μ m ^-1). Our method provides a route for the deposition of graphene based thin film field emitter on different substrates, opening up avenues for a variety of applications.

Original language	English
Article number	233502
Journal	Applied Physics Letters
Volume	93
Issue number	23
DOIs	https://doi.org/10.1063/1.3028339
Publication status	Published - 2008

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3028339

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author = "Goki Eda and {Emrah Unalan}, H. and Nalin Rupesinghe and Amaratunga, {Gehan A.J.} and Manish Chhowalla",

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AU - Emrah Unalan, H.

AU - Rupesinghe, Nalin

AU - Amaratunga, Gehan A.J.

AU - Chhowalla, Manish

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AB - Field emission from graphene is challenging because the existing deposition methods lead to sheets that lay flat on the substrate surface, which limits the field enhancement. Here we describe a simple and general solution based method for the deposition of field emitting graphene/polymer composite thin films. The graphene sheets are oriented at some angles with respect to the substrate surface leading to field emission at low threshold fields (∼4 V μ m -1). Our method provides a route for the deposition of graphene based thin film field emitter on different substrates, opening up avenues for a variety of applications.

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