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1. 四川大学 材料科学与工程学院, 四川 成都 610065
2. 重庆文理学院 材料交叉学科研究中心, 重庆市高校微纳米材料工程与技术重点实验室
收稿:2011-05-20,
修回:2011-6-22,
网络首发:2011-09-22,
纸质出版:2011-09-22
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赵聪, 马明星, 韩涛, 曹仕秀, 雷宇, 朱达川. Y<sub><em>x</em></sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup>荧光粉的微结构及其发光特性[J]. 发光学报, 2011,32(9): 874-879
ZHAO Cong, MA Ming-xing, Han Tao, CAO Shi-xiu, Lei Yu, ZHU Da-chuan. Microstructure and Luminescence Characteristics of Y<sub><em>x</em></sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2011,32(9): 874-879
赵聪, 马明星, 韩涛, 曹仕秀, 雷宇, 朱达川. Y<sub><em>x</em></sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup>荧光粉的微结构及其发光特性[J]. 发光学报, 2011,32(9): 874-879 DOI:
ZHAO Cong, MA Ming-xing, Han Tao, CAO Shi-xiu, Lei Yu, ZHU Da-chuan. Microstructure and Luminescence Characteristics of Y<sub><em>x</em></sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2011,32(9): 874-879 DOI:
采用共沉淀法合成Y
x
Al
5
O
12
:Ce
3+
系列荧光粉
用多晶X 射线衍射、SEM及荧光光谱对Y
x
Al
5
O
12
:Ce
3+
系列荧光粉的晶体结构、形貌及发光性能进行表征。结果表明:随着
x
从2.64递增到3.06
波长先缓慢红移
然后迅速蓝移;发光强度先增强
然后迅速减弱;当
x
=2.88时
出现了最大发射峰值波长(
&lambda;
em
=537 nm)和最高相对发光强度。当
x
<2.64时
出现Al
2
O
3
杂相;
x
>3.06时
粉体中出现YAM杂相。
x
在2.76~2.88区间时
材料结晶度高
容易分散。
paper
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