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primary topic: Growth of aligned multiwalled carbon nanotubes (MWNTs) for application as field emitters

Growth of aligned multiwalled carbon nanotubes (MWNTs) for application as field emitters
type: AcademicArticle
type: Article
abstract: Carbon nanotubes (CNTs) have been shown to have excellent emission characteristics, resulting in an application as field emission electron source. The CNT-based field emitter would demand the use of well-graphitized, vertically aligned nanotubes film in order to give superior emission performance. The paper reports on the growth of high yield multiwalled carbon nanotubes (MWCNTs) film. MWCNTs are produced by catalytic decomposition of ethylene over Fe catalyst using chemical vapor decomposition (CVD) technique. Besides producing narrow diameter distribution of CNTs, this technique also provides the ease of fabrication and is scalable for production. Excellent alignment of uniform and high-density MWNTs film with diameter in the range of 9 to 15 nm and average length of 95 Î¼m on the substrate was observed. The structural analyses using SEM, TEM and Raman spectroscopy have shown that high yield, vertically aligned MWCNTs with no impurities required for fabrication of CNT film emitter can be achieved by an appropriate catalytic CVD technique. © 2010 American Institute of Physics.
date: 2010
volume: 1217
is part of: AIP Conference Proceedings
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

AIP Conference Proceedings
type: Collection
issn: 0094243X

M.N. Muti
type: Person
given name: M.N.
family name: Muti

J.S. Lim
type: Person
given name: J.S.
family name: Lim

M.S.B. Singh
type: Person
given name: M.S.B.
family name: Singh

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primary topic: Growth of aligned multiwalled carbon nanotubes (MWNTs) for application as field emitters