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Electrospray deposition of carbon nanotubes in vacuum

James N O'Shea, John B Taylor, Janine C Swarbrick, Graziano Magnano, Louise C Mayor and Karina Schulte

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Here we report on a novel and effective technique for the deposition of carbon nanotubes onto surfaces in vacuum directly from a liquid suspension. The technique, based on in-vacuum electrospray ionization, has the potential to bridge the gap between high resolution techniques requiring ultra-high vacuum conditions, and non-volatile molecules and nanostructures such as carbon nanotubes. Atomic force microscopy of double-walled nanotubes deposited onto silicon surfaces in vacuum show individual nanotubes and low density bundles.


PACS

81.16.-c Methods of nanofabrication and processing

81.15.Ef Vacuum deposition

81.07.De Nanotubes

68.37.Ps Atomic force microscopy (AFM)

68.47.Fg Semiconductor surfaces

Subjects

Semiconductors

Surfaces, interfaces and thin films

Nanoscale science and low-D systems

Dates

Issue 3 (24 January 2007)

Received 5 October 2006, in final form 25 October 2006

Published 3 January 2007



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