Luminescence investigations of novel orange-red fluorapatite KLaSr3(PO4)3F: Sm3+ phosphors with high thermal stability

作者: Qingfeng Guo , Chenglong Zhao , Libing Liao , Stefan Lis , Haikun Liu

DOI: 10.1111/JACE.14751

关键词: MineralogyMaterials scienceThermal stabilityLuminescenceOrange (colour)PhosphorFluorapatiteChemical engineering

摘要: Abstract Single‐phase KL aSr3 (PO 4) 3F: Sm3+ phosphors with fluorapatite structure were prepared via high‐temperature solid‐state method in air atmosphere for the first time. The X‐ray diffraction, scanning electron microscope, diffuse reflectance spectra, photoluminescence spectra, and temperature‐dependent emission spectra, as well as lifetimes were measured to characterize the as‐prepared phosphors. Phase results indicated that KL aSr3 (PO 4) 3F: Sm3+ belongs to hexagonal system with a space group of …

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