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Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions

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Main Authors: Wei Wen, Liu, Tijjani Adam, Shuwa, Azizan, Aziz, Assoc. Prof. Dr., Abdul Rahman, Mohamed, Prof. Dr., Uda, Hashim, Prof. Dr., Chai, Siang Piao
Other Authors: wwliu@unimap.edu.my
Format: Article
Language:English
Published: Trans Tech Publications 2014
Subjects:
Chemical Vapor Deposition (CVD)
Graphite
Impregnation method
Methane
Nanotubes
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/33546
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spelling my.unimap-335462014-04-09T04:51:12Z Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions Wei Wen, Liu Tijjani Adam, Shuwa Azizan, Aziz, Assoc. Prof. Dr. Abdul Rahman, Mohamed, Prof. Dr. Uda, Hashim, Prof. Dr. Chai, Siang Piao wwliu@unimap.edu.my tijjaniadam@yahoo.com azizan@usm.edu.my chai.siang.piao@eng.monash.edu.my chrahman@eng.usm.my uda@unimap.edu.my Chemical Vapor Deposition (CVD) Graphite Impregnation method Methane Nanotubes Link to publisher's homepage at http://www.ttp.net/ Fe₃O₄ was used to synthesize narrow diameter of carbon nanotubes (CNTs). The effect of concentration of Fe₃O₄ on the diameters of carbon nanotubes (CNTs) synthesized by methane decomposition at 1000°C was investigated. We used conventional impregnation method to prepare Fe₃O₄/MgO catalysts. The results show that the concentration of Fe₃O₄ greatly affects the diameter distributions of produced CNTs. The CNTs formed by Fe₃O4/MgO catalysts, with the mole ratio set at 0.25:9.75 and 1:9 had diameter of 3.23 ± 1.71 and 49.04 ± 33.62nm, respectively, showing that a decrease in concentration of Fe₃O₄ yields smaller diameter and narrower diameter distribution. A growth model explaining tip-growth and base-growth mechanism is proposed for understanding formation of CNTs. 2014-04-09T04:51:12Z 2014-04-09T04:51:12Z 2014 Article Advanced Materials Research, vol.832, 2014, pages 62-67 1662-8985 http://dspace.unimap.edu.my:80/dspace/handle/123456789/33546 http://www.scientific.net/AMR.832.62 10.4028/www.scientific.net/AMR.832.62 en Trans Tech Publications
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Chemical Vapor Deposition (CVD)
Graphite
Impregnation method
Methane
Nanotubes
spellingShingle Chemical Vapor Deposition (CVD)
Graphite
Impregnation method
Methane
Nanotubes
Wei Wen, Liu
Tijjani Adam, Shuwa
Azizan, Aziz, Assoc. Prof. Dr.
Abdul Rahman, Mohamed, Prof. Dr.
Uda, Hashim, Prof. Dr.
Chai, Siang Piao
Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
description Link to publisher's homepage at http://www.ttp.net/
author2 wwliu@unimap.edu.my
author_facet wwliu@unimap.edu.my
Wei Wen, Liu
Tijjani Adam, Shuwa
Azizan, Aziz, Assoc. Prof. Dr.
Abdul Rahman, Mohamed, Prof. Dr.
Uda, Hashim, Prof. Dr.
Chai, Siang Piao
format Article
author Wei Wen, Liu
Tijjani Adam, Shuwa
Azizan, Aziz, Assoc. Prof. Dr.
Abdul Rahman, Mohamed, Prof. Dr.
Uda, Hashim, Prof. Dr.
Chai, Siang Piao
author_sort Wei Wen, Liu
title Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
title_short Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
title_full Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
title_fullStr Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
title_full_unstemmed Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
title_sort formation of carbon nanotubes from methane decomposition: effect of concentration of fe₃o₄ on the diameters distributions
publisher Trans Tech Publications
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/33546
_version_ 1643797206897000448
score 13.211869

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