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Abstract:
采用高温固相法制备了Sr3Y2(GeO4)3:Dy3+荧光粉,利用X射线粉末衍射、荧光光谱等分析手段对荧光粉样品进行了表征,分析了其发光特性.讨论了Dy3+离子掺杂浓度以及添加不同助熔剂对Sr3Y2(GeO4)3:Dy3+荧光粉发光强度的影响,并计算了发光材料的色坐标.研究结果表明,样品在388nm近紫外光激发下发射出强烈的蓝光(481nm)和黄光(573nm);Dy3+浓度影响其发光强度,随着Dy3+浓度的增大,荧光强度增强明显,色坐标越接近纯白光色坐标(0.33,0.33) ;当Dy3+浓度达到12%时,样品的荧光强度最强,色坐标为(0.32,0.33).
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福州大学学报(自然科学版)
ISSN: 1000-2243
CN: 35-1337/N
Year: 2010
Issue: 3
Volume: 38
Page: 442-445
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 4
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