Abstract

We report on the preparation of self-cleaning and highly transparent yttrium disilicate phosphor host matrix. The yttrium disilicate crystallites were produced in titanosilicate thin films prepared by sol-gel and dip coating method. The thin film phosphor surface was maintained to be superhydrophilic by the synergic effect of the coproduced TiO2 anatase crystals and the high porosity of the film. The high porosity and the tuning of the pore size were attained by the “molecular footprint” technique. It was found that the film with higher contact fraction could retain the superhydrophilicity even in the absence of ultraviolet light. We successfully demonstrate the integration of this property to the films containing yttrium disilicate nanocrystals.

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