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A series of silicon-doped mesoporous and microporous nanocrystalline titanium dioxides were prepared by a new sol-gel technique in non-aqueous medium. XRD studies of the silicon-doped nanocrystalline titanium dioxide show a significant inhibition of anatase to rutile phase transition, comparing with both bulk and nanocrystalline values of pure titania. The phase transition temperature of the anatase...
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