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南阳师范学院机电工程学院,河南 南阳,473061
纸质出版日期:2017-5-5,
收稿日期:2016-11-5,
修回日期:2016-12-13,
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刘旭焱, 丁楠, 屈重年等. 稀土掺杂磷酸钇荧光粉的控制合成和发光性能[J]. 发光学报, 2017,38(5): 587-593
LIU Xu-yan, DING Nan, QU Chong-nian etc. Controlled Synthesis and Luminescence Properties of Rare-earth Doped YPO<sub>4</sub> Phosphor[J]. Chinese Journal of Luminescence, 2017,38(5): 587-593
刘旭焱, 丁楠, 屈重年等. 稀土掺杂磷酸钇荧光粉的控制合成和发光性能[J]. 发光学报, 2017,38(5): 587-593 DOI: 10.3788/fgxb20173805.0587.
LIU Xu-yan, DING Nan, QU Chong-nian etc. Controlled Synthesis and Luminescence Properties of Rare-earth Doped YPO<sub>4</sub> Phosphor[J]. Chinese Journal of Luminescence, 2017,38(5): 587-593 DOI: 10.3788/fgxb20173805.0587.
利用水热法分别合成了Ce
3+
、Tb
3+
共掺杂的YPO
4
下转换荧光粉和Er
3+
、Yb
3+
、Tm
3+
共掺杂的YPO
4
上转换荧光粉,经过工艺优化获得了1 m左右尺寸均匀的发光材料。通过系列实验研究了反应温度、反应时间、稀土离子掺杂比例和退火温度对样品发光性能的影响。YPO
4
:Ce
3+
,Tb
3+
荧光粉在295 nm紫外光的激发下产生下转换发光效应,当Tb
3+
摩尔分数为1%时得到明亮的绿光;YPO
4
:Er
3+
,Tm
3+
,Yb
3+
荧光粉在980 nm近红外光激发下产生上转换发光效应,当稀土离子中Er
3+
摩尔分数为3%时,所制备的样品经过1 000 ℃退火处理后发出很强的暖白光。
Ce
3+
Tb
3+
co-doped YPO
4
down-conversion phosphors and Er
3+
Tm
3+
Yb
3+
co-doped YPO
4
up-conversion phosphors were synthesized by using hydrothermal method. Uniform-sized (~1 m) luminescence materials were gained through process optimization. A series of experiments were carried to study the effect of reaction temperature
time
annealing temperature and doping ratio of rare-earth ions on luminescence properties. The down-conversion luminescence nano-material YPO
4
:Ce
3+
1%Tb
3+
emits strong green light excited by 295 nm ultraviolet light
and the up-conversion nano-material YPO
4
:3%Er
3+
Tm
3+
Yb
3+
emits warm white light excited by 980 nm infrared light
respectively.
光致发光水热合成荧光猝灭
photoluminescencehydrothermalfluorescence quenching
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