Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions
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Trans Tech Publications
2014
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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 |
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English |
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Chemical Vapor Deposition (CVD) Graphite Impregnation method Methane Nanotubes |
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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 |
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Link to publisher's homepage at http://www.ttp.net/ |
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wwliu@unimap.edu.my |
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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 |
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http://dspace.unimap.edu.my:80/dspace/handle/123456789/33546 |
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1643797206897000448 |
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13.222552 |