溶融塩処理による可視光応答型 TiO2 光触媒の作製およびその機能評価

概要

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Molten salt method with nitrate was proposed and carried out to fabricate TiO2 photocatalyst with visible light activity. The alumina balls with Ti films formed by mechanical coating technique were used for the source samples. The microstructures and composition of the compounds were characterized by SEM, XRD and EDS. The absorption characteristic was evaluated by methylene blue solution concentration. The photocatalytic activity under visible light or UV light was evaluated by the degradation constant k. Molten salt method with KNO3 nitrate is a simple and effective way to fabricate visible light active TiO2 photocatalyst. The fabricated TiO2 photocatalyst showed high absorption property and photocatalytic activity under visible light. The high performance of the fabricated TiO2 photocatalyst is due to the reaction of K element in the molten KNO3.
日本金属学会 ; 1937-の論文