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Ba3La(BO3)3基质中Tb3+的光致发光

Li-Min LIU,Qi-Hua LI,Li-Hua ZENG,Chun-Hua LEI,Xiao-Mei CAO,Yian PENG

CHINESE JOURNAL OF SPECTROSCOPY LABORATORY（2005）

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Abstract
以高温固相法合成了Ba3La(BO3)3:Tb3+发光材料.在254nm紫外光激发下,研究了Ba3La(BO3)3:Tb3+的激发光谱、发射光谱、发光强度与Tb3+浓度的关系.确定了Ba3La(BO3)3基质中Tb3+的自身浓度猝灭机理;探讨了助熔剂Li2CO3、敏化剂Ce3+、Bi3+的加入对荧光粉的发光强度的影响.
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