SrAl2O4: Eu2+, Dy3+ phosphors derived from a new sol–gel route
2003; Volume: 35; Issue: 4 Linguagem: Inglês
10.1016/s0026-2692(03)00250-7
ISSN0026-2692
AutoresYiqing Lu, Yongxiang Li, Yuhong Xiong, Dong Wang, Qingrui Yin,
Tópico(s)Nuclear materials and radiation effects
ResumoThe SrAl2O4: Eu2+, Dy3+ phosphor powders were prepared by a new sol–gel method using aluminum isopropoxide and strontium acetate as precursors. The sol–gel process and the structure of the phosphor powders were investigated by means of DSC-TG and XRD. It was found that the single-phase SrAl2O4 was formed at 900 °C, which is 300 °C lower than that required for the conventional solid-state reaction. The particle morphology, photoluminescence and afterglow properties of the phosphors were studied in this article.
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