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采用高温固相法合成了Ca2SiO3Cl2∶Eu3+红色发光材料.利用X射线分析了材料的晶体结构,其为四方晶系;在400nm近紫外光激发下,材料呈红色发射,主发射峰位于582、599、623、655和691nm,分别对应Eu3+的5D0→7F0、7F1、7F2、7F3和7F4特征跃迁;监测599nm最强发射峰,激发光谱覆盖200~450nm,主激发峰位于400nm.研究了Eu3+摩尔浓度对Ca2SiO3Cl2∶Eu3+材料发射强度的影响,结果显示,随Eu3+浓度的增大,强度先增大、后减小,Eu3+浓度为1%时,强度最大.引入Li+后,材料的发射强度进一步增大.

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