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1. 河北大学 物理科学与技术学院发光与显示研究所
2. 河北大学 电子信息工程学院
收稿:2010-06-04,
修回:2010-8-1,
纸质出版:2011
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杨志平, 马淑媛, 于红伟, 闻建伟, 刘玉峰, 李盼来. 荧光粉Ca<sub>4</sub>Y<sub>6</sub>O(SiO<sub>4</sub>)<sub>6</sub>∶Dy<sup>3+</sup>的制备与发光特性[J]. 发光学报, 2011,32(2): 109-114
YANG Zhi-ping, MA Shu-yuan, YU Hong-wei, WEN Jian-wei, LIU Yu-feng, LI Pan-lai. Synthesis and Luminescent Characteristics of Phosphor Ca<sub>4</sub> Y<sub>6</sub> O(SiO<sub>4</sub> )<sub>6</sub> ∶ Dy<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2011,32(2): 109-114
杨志平, 马淑媛, 于红伟, 闻建伟, 刘玉峰, 李盼来. 荧光粉Ca<sub>4</sub>Y<sub>6</sub>O(SiO<sub>4</sub>)<sub>6</sub>∶Dy<sup>3+</sup>的制备与发光特性[J]. 发光学报, 2011,32(2): 109-114 DOI:
YANG Zhi-ping, MA Shu-yuan, YU Hong-wei, WEN Jian-wei, LIU Yu-feng, LI Pan-lai. Synthesis and Luminescent Characteristics of Phosphor Ca<sub>4</sub> Y<sub>6</sub> O(SiO<sub>4</sub> )<sub>6</sub> ∶ Dy<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2011,32(2): 109-114 DOI:
采用高温固相法制备了Ca
4
Y
6
O(SiO
4
)
6
∶ Dy
3+
荧光材料
通过样品的XRD谱证明了Ca
4
Y
6
O(SiO
4
)
6
∶ Dy
3+
荧光材料是纯相的结构材料
通过发射光谱和激发光谱等发光特性的研究发现该荧光粉材料有多个发射峰
分别位于480 nm和573 nm处。监测蓝峰(480 nm)和黄峰(573 nm)
测得材料的激发谱均为多锐峰 (位于293
323
348
363
386
424
452 nm)
均属于Dy
3+
的特征吸收峰
其中以348 nm的激发峰最强。探讨了Dy
3+
的掺杂量对样品黄蓝峰发射强度比(
I
Y
/
I
B
)、发光色坐标及色温的影响。分析了Dy
3+
的浓度对荧光粉发光的影响及其浓度猝灭机理。
paper
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