Structure, site-occpancy and luminescent properties of a novel blue phosphor Na3ZrMgP3O12: Eu2+
作者： Xinguo Zhang , Fuwang Mo , Zhenpeng Zhu , Ziying Guo
DOI: 10.1016/J.MATERRESBULL.2018.06.022
关键词:
摘要: Abstract Single-phase Na 3 ZrMgP O 12 : Eu 2+ (NZMP: ) phosphor was prepared via high-temperature solid-state reaction. The crystal structure, lattice parameters and occupied sites of -doped are elucidated by powder X-ray diffraction Rietveld refinement. It is found that majority ions occupy 8-coordianted Na2 site while minority in 6-coordianted Na1 NZMP host. NZMP: shows a strong blue emission broadband with peak at 450 nm under UV excitation, which can be decomposed into two sub-bands peaking 446 474 nm based on the substitution kinds + ions. Luminescence properties phosphors were investigated detail, including excitation spectra, decay lifetime, concentration quenching temperature-dependent spectra.
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