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Enhancement of TiO2 Photocatalytic Activity by N- Doping Using the Gas Phase Impregnation Method
Published online by Cambridge University Press: 31 January 2011
Abstract
This paper investigated an inexpensive way to improve the overall photocatalytic activity of TiO2 by N- doping using anhydrous ammonia as the nitrogen source. Doping amount could be further optimized by controlling the reaction time. Experiments showed that photocatalytic effect has one threshold concentration. Lower or higher reaction will decrease the photocatalytic efficiency. Experiments showed that the suitable reaction temperature should be lower than 650oC.
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- Copyright © Materials Research Society 2010
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