Abstract
Orange-red emitting KMgPO4: Eu3+ phosphors were prepared by wet chemical method and characterized by the photoluminescence spectra has been reported in this paper. The emission peaks are located at 591 nm and 618 nm attributed to 5D0 → 7F1 and 5D0 → 7F2 transitions respectively. Concentration quenching effect was observed at 1 mol % of Eu3+ ions. SEM images reveal irregular surface morphology with particle sizes in micrometer range. Colour coordinates were found to be (x = 0.580, y = 0.418) and (x = 0.687, y = 0.312) for emission wavelengths 591 nm and 618 nm respectively. Photoluminescence result suggests that the prepared phosphor could find application in ecofriendly solid state lighting.
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