Abstract
Trivalent praseodymium-doped calcium titanates are red emitting phosphors upon UV photon excitation in the range 150–300 nm, with a luminescence appearing as a single peak centered at 613 nm. The intensity of this emission is investigated in different samples prepared either by a solid state or a sol–gel method. The study includes analyses of microstructure, sintering temperature, charge compensation and Pr concentration effects.
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