Fusion of carbon nanotubes for fabrication of field emission cathodes

Pejman Hojatitalemi, Aravindaraj Kannan, George Simon

Research output: Contribution to journalArticleResearchpeer-review

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.
Original languageEnglish
Pages (from-to)356 - 361
Number of pages6
JournalCarbon
Volume50
Issue number2
DOIs
Publication statusPublished - 2012

Cite this

Hojatitalemi, Pejman ; Kannan, Aravindaraj ; Simon, George. / Fusion of carbon nanotubes for fabrication of field emission cathodes. In: Carbon. 2012 ; Vol. 50, No. 2. pp. 356 - 361.
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Fusion of carbon nanotubes for fabrication of field emission cathodes. / Hojatitalemi, Pejman; Kannan, Aravindaraj; Simon, George.

In: Carbon, Vol. 50, No. 2, 2012, p. 356 - 361.

Research output: Contribution to journalArticleResearchpeer-review

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AB - 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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