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Photocatalytic decomposition of toluene by nanodiamond-supported TiO 2 prepared using atomic layer deposition

Title
Photocatalytic decomposition of toluene by nanodiamond-supported TiO 2 prepared using atomic layer deposition
Authors
Kim K.-D.Dey N.K.Seo H.O.Kim Y.D.Lim D.C.Lee M.
Ewha Authors
이민영
SCOPUS Author ID
이민영scopus
Issue Date
2011
Journal Title
Applied Catalysis A: General
ISSN
0926-860XJCR Link
Citation
vol. 408, no. 41276, pp. 148 - 155
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The photocatalytic decomposition of toluene gas was investigated using TiO2 prepared by atomic layer deposition (ALD) on nanodiamond (ND) under UV irradiation. The photocatalytic activities of ND-supported TiO 2 catalysts were compared with that of P-25. The photocatalytic activity of P-25 was rapidly decreased with time due to the accumulation of reaction intermediates formed on the surface as a result of partial oxidation of toluene. Comparing to P-25, deactivation of ND-supported TiO2 catalysts was less pronounced. It is suggested that ND surface facilitates total oxidation of toluene on TiO2 and reduces poisoning of TiO 2 surface with time. © 2011 Elsevier B.V.
DOI
10.1016/j.apcata.2011.09.019
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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