Surface Property Change of C Doped TiO2 Nano-Pillars by O2 Plasma Treatment

Authors: Lee, Kang Suk; Nam, Sang-Hun; Seo, Hyun Ook; Kim, Young Dok; Boo, Jin-Hyo

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 12, December 2011 , pp. 10599-10603(5)

Publisher: American Scientific Publishers

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TiO2 surface is led to super-hydrophilic surface by modifying to hydroxyl group. The super-hydrophilic surface can be applied to anti-fogging, because of preventing formation of water droplet on the surface. Super-hydrophilic coatings are made of metal oxides, polymers, or their mixtures. In this study, columnar-structured C doped TiO2 nano-pillars were grown on glass substrates by MOCVD method. For change of surface properties, grown columnar-structured C-TiO2 nano-pillars were treated by oxygen plasma. After oxygen plasma treatment, the surface property of grown columnar structured C-TiO2 nano-pillars changed from hydrophobic surface to super hydrophilic surface. For determination of this mechanism, scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), FT-IR spectroscopy, and contact angle analyzer were employed.


Document Type: Research Article


Publication date: December 1, 2011

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