Effect of the amounts of Li+ additive on the luminescence properties of LiBaPO4:Eu phosphor
作者： Daniela A Hora , Ariosvaldo JS Silva , Patresio AM Nascimento , David V Sampaio , Benjamin JA Moulton
DOI: 10.1016/J.OPTMAT.2019.01.044
关键词:
摘要: Abstract Eu-doped LiBaPO4 phosphors were synthesized by sol–gel route using PVA as the chelating agent. The structure and photoluminescence (PL) properties of as-prepared investigated X-ray diffraction (XRD), absorption spectroscopy (XAS) PL spectroscopy. samples presented single hexagonal phase incorporation excess Li did not affect crystal structure. luminescence strongly depend on concentration. It is possible that contributes to Eu3+→Eu2+ reduction enhances Eu2+ stabilization in
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