Type

Journal Article

Authors

Jonathan Nesbit Coleman

Subjects

Physics

Topics
transport effects polymer composites physics carbon nanotube charge transport carbon carbon composites tunnel junctions electric field

Charge transport effects in field emission from carbon nanotube-polymer composites (2006)

Abstract Electron field emission measurements have been made on multiwall arc discharge carbon nanotubes embedded in a conjugated polymer host. Electron emission at low nanotube content is observed and attributed to an enhancement of the applied electric field at the polymer/nanotube/vacuum interface where the electron supply through the film is attributed to fluctuation induced tunneling in a disordered percolation network. A high network resistance is attributed to a polymer coating surrounding each nanotube, resulting in high resistance nanotube-polymer-nanotube tunnel junctions. The potential use of carbon nanotube-polymer composites for field emission based displays is also discussed.
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Full list of authors on original publication

Jonathan Nesbit Coleman

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Jonathan Coleman
Trinity College Dublin
Total Publications: 217