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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 8
BKCSDE 31(8)
August 20, 2010

Title	Interaction of TiO₂ Films on Carbon Fibers with Toluene
Author	Hyun Ook Seo, Kwang Dae Kim, Yuan Luo, Myoung Joo Kim, Nilay Kumar Dey, Young Dok Kim*
Keywords	Thin films, Chemical vapour deposition, TiO₂, C fiber, Volatile organic compound (VOC)
Abstract	TiO₂ thin films were synthesized on carbon fibers using chemical vapor deposition. We show that these films can exhibit extraordinarily high absorption capacities of toluene vapor. Such an absorption phenomenon of toluene at room temperature was not found for other TiO₂ samples. Upon toluene absorption change in the color (darkening) of the film was found, indicating that these films can be used as an indicator of the existence of volatile organic compounds in the indoor environments. By X-ray Photoelectron Spectroscopy (XPS) and Scanning Electron Microscopy (SEM), a high concentration of OH species and a unique layered structure were found for the TiO₂ films and these could be related to their high absorption capacity of toluene.
Page	2333 - 2336
Full Text	PDF

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