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A single-composition LiSrPO4:Eu2+,Y3+ phosphor was synthesized via a high-temperature solid-state method. LiSrPO4:Eu2+ without Y3+ show a narrow emission band with a full-width half maximum of about 50 nm. When Y3+ substitutes for Sr2+ partly, emission spectra have been broadened and red-shifted obviously. Through studying their excitation spectra, diffuse reflectance spectra and fluorescent lifetimes,...
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