荧光粉SrCaSiO4∶Eu2+,Ce3+光谱性能及能量传递的研究

人工晶体学报, 2013, 42(2): 334-339.

荧光粉SrCaSiO4∶Eu2+,Ce3+光谱性能及能量传递的研究

于海辉 ^1, , 孔丽 ^2, , 胡兆波 ^3, , 洪广言 ^4, , 甘树才 ^5,

1.东北电力大学化学工程学院,吉林市132012;吉林化工学院化工与材料工程学院,吉林132022

2.吉林化工学院化工与材料工程学院,吉林132022

3.东北电力大学化学工程学院,吉林市132012

4.中国科学院长春应用化学研究所稀土资源利用国家重点实验室,长春130022

5.吉林大学化学学院,长春130023

基金项目: 吉林省科技厅(20110335) 吉林省教育厅(20100178,2011073)

关键词：白光LED , SrCaSiO4∶Eu,Ce , 荧光寿命 , 能量传递

Study on Luminescence Properties and Energy Transfer of SrCaSiO4∶Eu2 +,Ce3 + Phosphor

本文采用高温固相法合成了一种新型荧光粉SrCaSiO4∶Eu,Ce,并对其进行了光谱及荧光寿命衰减曲线的测试.结果表明:SrCaSiO4∶0.005Eu2+,0.01Ce3+可和紫外LED相匹配发射蓝绿光,且在该体系中存在着Ce3+到Eu2+的能量传递；在荧光粉SrCaSiO4∶Eu2+中共掺Ce3+将会使Eu2+的荧光寿命增长,同时发现此体系的Ce3+荧光寿命变短,这也证明了在此体系中存在着能量传递.

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材料期刊网

荧光粉SrCaSiO4∶Eu2+,Ce3+光谱性能及能量传递的研究

Study on Luminescence Properties and Energy Transfer of SrCaSiO4∶Eu2 +,Ce3 + Phosphor

参考文献