Abstract
利用液相沉淀法制备得到了不同形貌的纳米及微米SrB6O10·5H2O∶Eu3+,对产品进行了EDS、XRD、IR、SEM等表征。结果表明反应时间对产品的结晶度、形貌、粒径有较大的影响。此外,研究了产品的光致发光性能,结果发现所有产品的最强发射峰都位于λ=615 nm处,为红色发光;产品的发光随反应时间的增加而增强,而红橙比随反应时间的增加先增大后减小。当反应时间为48 h时,产品在激发波长为391 nm和250nm时的发光强度相当,但在391 nm时红橙比更高,是一种良好的近紫外激发红色发光材料。
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