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Transport and field emission in carbon nanotube - Polymer composite cathodes

Carey, D, Smith, R, Silva, R, Murphy, R, Blau, W and Coleman, J (2007) Transport and field emission in carbon nanotube - Polymer composite cathodes Technical Digest of the 20th International Vacuum Nanoelectronics Conference, IVNC 07. pp. 187-188.

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Abstract

In this study, arc discharge multiwall carbon nanotubes have been incorporated into PmPV polymer, a derivative of the conjugated polymer PPV. Electron field emission characterisation was made as a function of nanotube mass fraction using large area phosphor coated anode. It is concluded that emission occurs at front surface under the action of applied field. As the mass fraction of nanotubes is increased, a greater density of nanotube-nanotube contacts is made, increasing the overall charge transport of carriers via FIT. Replenishment of the electrons occurring by a percolation controlled charge transport through the disordered nanotube network.

Item Type: Article
Authors :
NameEmailORCID
Carey, DUNSPECIFIEDUNSPECIFIED
Smith, RUNSPECIFIEDUNSPECIFIED
Silva, RUNSPECIFIEDUNSPECIFIED
Murphy, RUNSPECIFIEDUNSPECIFIED
Blau, WUNSPECIFIEDUNSPECIFIED
Coleman, JUNSPECIFIEDUNSPECIFIED
Date : 2007
Identification Number : 10.1109/IVNC.2007.4480988
Uncontrolled Keywords : carbon nanotube composites, field emission carbon nanotube composites, transport process, vacuum nanoelectronics
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:22
Last Modified : 17 May 2017 12:22
URI: http://epubs.surrey.ac.uk/id/eprint/835087

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