An integrated low temperature approach to highly photoactive nanocrystalline mesostructured titania
2007
Abstract A new type of nanocrystalline mesostructured TiO 2 (NMT) predominantly in the anatase phase with a high specific surface area up to 269 m 2 g −1 was prepared by a novel integrated nonhydrolytic sol–gel/UV-illumination technique at low temperature. During the gaseous phase photocatalytic degradation of acetone, the material exhibited excellent photoactivity, much higher than commercial Degussa P-25, which closely related to the markedly enhanced crystallization degree and the beneficial formation of surface Ti–OH groups on the NMT sample during the post UV-illumination process.
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