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Field emission from multiwall carbon nanotubes on flexible paper substrates

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2 Author(s)
Stephen M. Lyth ; Advanced Technology Institute, University of Surrey, Guildford, Surrey, UK, s.lyth@surrey.ac.uk, Telephone: +44 1481 686083, Fax: +44 1483 689404 ; S. R. P. Silva

This paper presents a method for homogeneously coating paper substrates with acid-oxidised multiwall carbon nanotubes (o-MWNT) via a dip-coating technique. The field emission (FE) properties of these substrates were investigated as a function of the surface roughness (and thereby the morphology) of the underlying paper substrate. This technique brings about the possibility of directly coating o-MWNT in a controlled manner onto a plethora of pre-patterned substrates with morphologies chosen to maximise the enhancement factor (beta), over very large areas, using solution processing.

Published in:

2007 IEEE International Vacuum Electronics Conference

Date of Conference:

15-17 May 2007