Title

Fusion of carbon nanotubes for fabrication of field emission cathodes

RIS ID

42840

Publication Details

Hojati-Talemi, P., Kannan, A. G. & Simon, G. P. (2012). Fusion of carbon nanotubes for fabrication of field emission cathodes. Carbon, 50 (2), 356-361.

Abstract

Consolidated carbonaceous samples prepared by spark plasma sintering of multi-walled carbon nanotubes are analyzed, and the effect of the heating regime on their morphology, density, thermal stability, electron field emission and adhesive behavior studied. The trend in the field emission properties of these samples is explained by the changes in the mobility of the nanotube tips. The effect of such changes in the number of free nanotube tips is also deduced from micro-adhesion data, obtained from pull-off tests using atomic force microscopy.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.carbon.2011.07.058