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Carbon-Nanotube-Polymer Nanocomposites for Field-Emission Cathodes

Connolly, T, Smith, RC, Hernandez, Y, Gun'ko, Y, Coleman, JN and Carey, JD (2009) Carbon-Nanotube-Polymer Nanocomposites for Field-Emission Cathodes SMALL, 5 (7). pp. 826-831.

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Abstract

We report the electron field emission characteristics of functionalised single walled carbon nanotube – polymer composites produced by solution processing. We show that excellent electron emission can be obtained by using as little as 0.7% volume fraction of nanotubes in the composite. Furthermore by tailoring the nanotube concentration and type of polymer, improvements in the charge transfer through the composite can be obtained. The synthesis of well dispersed randomly oriented nanotube - polymer composites by solution processing allows the development of carbon nanotube based large area cathodes produced using a scaleable technology. The relative insensitivity of the cathode’s field emission characteristics to the electrical conductivity of the composite is also discussed.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Authors :
AuthorsEmailORCID
Connolly, TUNSPECIFIEDUNSPECIFIED
Smith, RCUNSPECIFIEDUNSPECIFIED
Hernandez, YUNSPECIFIEDUNSPECIFIED
Gun'ko, YUNSPECIFIEDUNSPECIFIED
Coleman, JNUNSPECIFIEDUNSPECIFIED
Carey, JDUNSPECIFIEDUNSPECIFIED
Date : 6 April 2009
Identification Number : 10.1002/smll.200801094
Uncontrolled Keywords : Science & Technology, Physical Sciences, Technology, Chemistry, Multidisciplinary, Chemistry, Physical, Nanoscience & Nanotechnology, Materials Science, Multidisciplinary, Physics, Applied, Physics, Condensed Matter, Chemistry, Science & Technology - Other Topics, Materials Science, Physics, carbon nanotubes, displays, electron field emission, nanocomposites, THIN-FILMS, COMPOSITES, CONDUCTIVITY, THRESHOLD, carbon nanotube composites, carbon nanotube electronics, display materials, bulk limited transport, front surface limited transport
Related URLs :
Additional Information : This is the peer reviewed version of the following article: Connolly, T, Smith, RC, Hernandez, Y, Gun'ko, Y, Coleman, JN and Carey, JD (2009) Carbon-Nanotube-Polymer Nanocomposites for Field-Emission Cathodes SMALL, 5 (7). 826 - 831, which has been published in final form at http://dx.doi.org/10.1002/smll.200801094. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Depositing User : Symplectic Elements
Date Deposited : 09 Dec 2015 14:37
Last Modified : 09 Dec 2015 14:37
URI: http://epubs.surrey.ac.uk/id/eprint/7605

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