Production of High Purity Multi-Walled Carbon Nanotubes from Catalytic Decomposition of Methane

Kong Bee Hong; Aidawati Azlin Binti Ismail; Mohamed Ezzaham Bin Mohd Mahayuddin; Abdul Rahman Mohamed; Sharif Hussein Sharif Zein

doi:10.1016/S1003-9953(07)60004-8

Production of High Purity Multi-Walled Carbon Nanotubes from Catalytic Decomposition of Methane

Kong Bee Hong, Aidawati Azlin Binti Ismail, Mohamed Ezzaham Bin Mohd Mahayuddin, Abdul Rahman Mohamed, Sharif Hussein Sharif Zein

Résultat de recherche: Article › examen par les pairs

17 Citations (Scopus)

Résumé

Acid-based purification process of multi-walled carbon nanotubes (MWNTs) produced via catalytic decomposition of methane with NiO/TiO₂ as a catalyst is described. By combining the oxidation in air and the acid refluxes, the impurities, such as amorphous carbon, carbon nanoparticles, and the NiO/TiO₂ catalyst, are eliminated. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images confirm the removal of the impurities. The percentage of the carbon nanotubes purity was analyzed using thermal gravimetric analysis (TGA). Using this process, 99.9 wt% purity of MWNTs was obtained.

Langue d'origine	English
Pages (de-à)	266-270
Nombre de pages	5
Journal	Journal of Natural Gas Chemistry
Volume	15
Numéro de publication	4
DOI	https://doi.org/10.1016/S1003-9953(07)60004-8
Statut de publication	Published - déc. 2006
Publié à l'externe	Oui

Note bibliographique

Funding Information:
The authors acknowledge the financial support provided by Short Term Grant USM (Proiect: ~" A/C No: 6035146) and Academy of Sciences Malaysia under Scientific Advancement Grant Allocation (SAGA) (Project: A/C No. 6053001).

ASJC Scopus Subject Areas

General Chemical Engineering
Energy Engineering and Power Technology
Organic Chemistry

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10.1016/S1003-9953(07)60004-8

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abstract = "Acid-based purification process of multi-walled carbon nanotubes (MWNTs) produced via catalytic decomposition of methane with NiO/TiO2 as a catalyst is described. By combining the oxidation in air and the acid refluxes, the impurities, such as amorphous carbon, carbon nanoparticles, and the NiO/TiO2 catalyst, are eliminated. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images confirm the removal of the impurities. The percentage of the carbon nanotubes purity was analyzed using thermal gravimetric analysis (TGA). Using this process, 99.9 wt% purity of MWNTs was obtained.",

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AU - Mohamed, Abdul Rahman

AU - Zein, Sharif Hussein Sharif

N1 - Funding Information: The authors acknowledge the financial support provided by Short Term Grant USM (Proiect: ~" A/C No: 6035146) and Academy of Sciences Malaysia under Scientific Advancement Grant Allocation (SAGA) (Project: A/C No. 6053001).

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N2 - Acid-based purification process of multi-walled carbon nanotubes (MWNTs) produced via catalytic decomposition of methane with NiO/TiO2 as a catalyst is described. By combining the oxidation in air and the acid refluxes, the impurities, such as amorphous carbon, carbon nanoparticles, and the NiO/TiO2 catalyst, are eliminated. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images confirm the removal of the impurities. The percentage of the carbon nanotubes purity was analyzed using thermal gravimetric analysis (TGA). Using this process, 99.9 wt% purity of MWNTs was obtained.

AB - Acid-based purification process of multi-walled carbon nanotubes (MWNTs) produced via catalytic decomposition of methane with NiO/TiO2 as a catalyst is described. By combining the oxidation in air and the acid refluxes, the impurities, such as amorphous carbon, carbon nanoparticles, and the NiO/TiO2 catalyst, are eliminated. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images confirm the removal of the impurities. The percentage of the carbon nanotubes purity was analyzed using thermal gravimetric analysis (TGA). Using this process, 99.9 wt% purity of MWNTs was obtained.

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Production of High Purity Multi-Walled Carbon Nanotubes from Catalytic Decomposition of Methane

Résumé

Note bibliographique

ASJC Scopus Subject Areas

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