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author:

王桂美 (王桂美.) [1] | 施伟梅 (施伟梅.) [2] | 江晓芬 (江晓芬.) [3] | 孙薇 (孙薇.) [4] | 高绍康 (高绍康.) [5]

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CQVIP PKU CSCD

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).

Keyword:

Sr3Y2(GeO4)3∶Dy3+ 光谱性质 制备 荧光粉

Community:

  • [ 1 ] 福州大学化学化工学院,福建福州350108
  • [ 2 ] 赣南医学院药学院,江西赣州341000

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2010

Issue: 3

Page: 442-445

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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