Nanocrystalline CNT-TiO2 Composites Produced by an Acid Catalyzed Sol-Gel Method

Abstract:

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Carbon nanotube-TiO2 composites and pure TiO2 are prepared by a modified sol-gel method. The nanoscaled materials obtained are extensively characterized by spectroscopic, microscopic and calorimetric techniques. Their photoactivity is tested in the degradation of phenol under visible illumination. A correlation between the CNT content and the changes in the UV–vis absorption properties was found. The effect induced by CNT on the composite catalysts is explained in terms of an interphase interaction between CNT and TiO2 in the composite catalysts.

Info:

Periodical:

Materials Science Forum (Volumes 587-588)

Edited by:

António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira

Pages:

849-853

DOI:

10.4028/www.scientific.net/MSF.587-588.849

Citation:

C. G. Silva et al., "Nanocrystalline CNT-TiO2 Composites Produced by an Acid Catalyzed Sol-Gel Method", Materials Science Forum, Vols. 587-588, pp. 849-853, 2008

Online since:

June 2008

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Price:

$35.00

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