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对传统的固相反应法进行改进,采用两步法合成Sr2MgSi2O7∶Eu2+,Dy3+发光材料。比较两种方法合成的发光材料光致发光行为以及长余辉性能,并研究了不同煅烧温度对发光材料发光性能的影响。XRD分析表明,所合成样品为Sr2MgSi2O7晶体结构。发光材料的激发和发射光谱均表现为连续宽带谱,其发射峰位于466nm处。相同温度下,两步法合成的发光材料发光性能要优于传统固相反应法。
The traditional solid-state reaction method is improved, using two-step synthesis of Sr2MgSi2O7: Eu2 +, Dy3 + luminescent material. The photoluminescence properties and long afterglow properties of the luminescent materials synthesized by the two methods were compared. The effects of different calcining temperatures on the luminescent properties of the luminescent materials were also studied. XRD analysis shows that the synthesized sample is Sr2MgSi2O7 crystal structure. The excitation and emission spectra of luminescent materials all show continuous wideband spectrum with the emission peak at 466nm. The same temperature, two-step synthesis of luminescent materials luminescent properties than the traditional solid-phase reaction.