通过溶胶-凝胶法,制备了钙钛矿型CaTiO3∶Sm3+纳米发光材料.采用XRD对样品进行物相表征.通过电致发光和光致发光测试研究了样品中Sm3+的发光特性,Sm3+可发出明亮的橙红色光,但样品的EL和PL谱存在一定的差别.通过分析发光测试结果,认为纳米颗粒中存在两种晶体结构SiteⅠ和SiteⅡ,分析了不同结构对电致发光和光致发光的影响,EL主要依赖于Site Ⅰ中Sm3+,PL主要依赖于SiteⅡ中Sm3+,并通过实验验证了基质结构对Sm3+发光的影响.
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