Abstract
A novel method to prepare Eu2+ doped chlorapatite phosphor Ca5(PO4)3Cl useful for solid state lighting has been given in this paper. The phosphor was synthesized by the Pechini (citrate gel) method which turned out to be more efficient than the conventional high temperature solid state reaction. The results of the photoluminescence (PL) investigation revealed that it was possible to efficiently excite the phosphor by a UV–visible light from 220 to 430nm; the phosphor exhibited a bright blue emission at the wavelength λem=456nm for the excitation wavelength λex=350nm of near-ultraviolet light. The developed phosphor emits in blue and, hence, could provide one of the three (RGB) primary color components in a phosphor-converted LED-producing white light.
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Schedule a callMore From: St. Petersburg Polytechnical University Journal: Physics and Mathematics
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