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A Study of Photoelectrochemical Deposition of Organic Layers on Sol-Gel Ti02 Surfaces

M. Čeppan, M. Mikula, R. Fiala, V. Brezová, A. Blažková, and J. Panák

Department of Graphic Arts Technology and Applied Photochemistry, Faculty of Chemical Technology, Slovak University of Technology, SK-812 37 Bratislava

 

E-mail: ceppan@cvt.stuba.sk

Abstract: Photoactive TiO2 surface layers were prepared by the sol-gel process. Their photoelectric activities were judged from measured effective quantum yields of photocurrent. It was found that the photoelectrochemical deposition of o-toluidine, pyrrole, and aniline takes place on these surface layers. Changes of hydrophilic-hydrophobic surface nature accompanied with the photoelectrochemical deposition of organic layers were evaluated by measuring contact angle of water drop.

Full paper in Portable Document Format: 514a193.pdf

 

Chemical Papers 51 (4) 193–197 (1997)

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