Abstract
Anatase titanium oxide (TiO2) films were prepared by a conventional sol-gel method on ceramic substrates as an inexpensive photocatalyst for degradation of hydroquinone in water. Investigation of the crystallinity and crack of the Ag/TiO2 Coated on Light Ceramic by XRD and SEM showed that the proper heat-treatment temperature was 400 oC, and the as-obtained film displayed best photocatalytic activity among the prepared samples from different calcination temperatures. The prepared inexpensive photocatalyst also displayed good reproducibility, with the photocatalytic activity being maintained at about 54% after 4 cycles. A pseudo-first order reaction model was discovered for the photocatalytic mechanism of the Ag/TiO2 Coated on Light Ceramic.
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