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厦门理工学院材料科学与工程学院 福建省功能材料及应用重点实验室, 福建 厦门 361024
[ "张敏(1997-),女,山东菏泽人,硕士研究生,2020 年于厦门理工学院获得学士学位,主要从事稀土离子掺杂红色荧光粉的研究。 E-mail: Zhangmuuz@163.com" ]
[ "曹春燕(1979-),女,山东济宁人,博士,教授,2008 年于中国科学院长春光学精密机械与物理研究所获得博士学位,主要从事稀土发光材料及光电器件的研究。 E-mail: caoyan_80@xmut.edu.cn" ]
[ "谢安(1980-),男,广东大埔人,博士,教授,2010年于中国地质大学(武汉)获得博士学位,主要从事发光材料及显示技术的研究。E-mail: anxie@xmut.edu.cn" ]
纸质出版日期:2022-07-05,
收稿日期:2022-03-18,
修回日期:2022-04-05,
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张敏,曹春燕,张陈林等.Gd2[1-x(y)]Eu2x(y)WzMo(1-z)O6红色荧光粉合成及发光性能[J].发光学报,2022,43(07):1086-1094.
ZHANG Min,CAO Chun-yan,ZHANG Chen-lin,et al.Synthesis and Luminescent Properties of Gd2[1-x(y)]Eu2x(y)WzMo(1-z)O6 Red Phosphors[J].Chinese Journal of Luminescence,2022,43(07):1086-1094.
张敏,曹春燕,张陈林等.Gd2[1-x(y)]Eu2x(y)WzMo(1-z)O6红色荧光粉合成及发光性能[J].发光学报,2022,43(07):1086-1094. DOI: 10.37188/CJL.20220092.
ZHANG Min,CAO Chun-yan,ZHANG Chen-lin,et al.Synthesis and Luminescent Properties of Gd2[1-x(y)]Eu2x(y)WzMo(1-z)O6 Red Phosphors[J].Chinese Journal of Luminescence,2022,43(07):1086-1094. DOI: 10.37188/CJL.20220092.
采用高温固相法制备了Gd
2(1-
x
)
Eu
2
x
WO
6
(0≤
x
≤0.35)、Gd
2(1-
y
)
Eu
2
y
MoO
6
(0≤
y
≤0.25)和Gd
1.9
Eu
0.1
W
z
Mo
(1-
z
)
O
6
(0≤
z
≤1)系列红色荧光粉。探索了Gd
2(1-
x
)
Eu
2
x
WO
6
荧光粉和Gd
2(1-
y
)
Eu
2
y
MoO
6
荧光粉的最佳合成温度及最佳Eu
3+
掺杂浓度,并进一步探索了W
6+
、Mo
6+
比例对Gd
1.9
Eu
0.1
W
z
Mo
(1-
z
)
O
6
结构、形貌及发光性能的影响。随着Eu
3+
浓度增加,在Gd
2(1-
x
)
Eu
x
WO
6
和Gd
2(1-
y
)
Eu
2
y
MoO
6
荧光粉X射线衍射图中观察到衍射峰向小角度方向偏移。研究了Gd
2(1-
x
)
Eu
2
x
WO
6
中Eu
3+
发光浓度猝灭机理。随着Mo
6+
含量增加,在Gd
1.9
Eu
0.1
W
z
Mo
(1-
z
)
O
6
中观察到电荷迁移带红移现象,并通过漫反射谱推算了荧光粉材料带隙值。通过扫描电镜图像及电子能谱表征了W
6+
、Mo
6+
比例改变对荧光粉颗粒形貌及组成的影响。
Gd
2(1-
x
)
Eu
2
x
WO
6
(0≤
x
≤0.35), Gd
2(1-
y
)
Eu
2
y
MoO
6
(0≤
y
≤0.25) and Gd
1.9
Eu
0.1
W
z
Mo
(1-
z
)
O
6
(0≤
z
≤1) series of red phosphor were prepared by high temperature solid-state reaction method. The optimum synthesis temperature and the optimum doping concentration of Eu
3+
in Gd
2(1-
x
)
Eu
2
x
WO
6
and Gd
2(1-
y
)
Eu
2
y
MoO
6
phosphors were explored. The effects of W
6+
and Mo
6+
ratio on Gd
1.9
Eu
0.1
W
z
Mo
1-
z
O
6
phosphors were further explored. In Gd
2(1-
x
)
Eu
2
x
WO
6
and Gd
2(1-
y
)
Eu
2
y
MoO
6
phosphors, the diffraction peaks moved to small angle with the Eu
3+
concentration increasing. The luminescence concentration quenching mechanisms of Eu
3+
in Gd
2(1-
x
)
Eu
2
x
WO
6
were studied. With the content of Mo
6+
increasing, the red-shift of the charge transfer band was observed in Gd
1.9
Eu
0.1
W
z
Mo
(1-
z
)
O
6
phosphors. The values of energy band gaps of some phosphors were calculated based on diffuse reflectance spectra. The morphologies and the compositions of some phosphors were characterized by field emission scanning electron microscope and energy disperse spectroscopy.
高温固相法荧光粉光致发光浓度猝灭红移
high temperature solid state reaction methodphosphorsphotoluminescenceconcentration quenchingred shift
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张敏(1997-),女,山东菏泽人,硕士研究生,2020年于厦门理工学院获得学士学位,主要从事稀土离子掺杂红色荧光粉的研究。. doi: 10.1016/j.jallcom.2021.159698http://dx.doi.org/10.1016/j.jallcom.2021.159698
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