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陕西师范大学 化学化工学院, 陕西 西安 710119
Published:05 June 2023,
Received:12 December 2022,
Revised:22 December 2022,
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孔俊人,周洋,张世瑞等.一种新型氟化物红色荧光粉BaTaF7∶Mn4+[J].发光学报,2023,44(06):975-984.
KONG Junren,ZHOU Yang,ZHANG Shirui,et al.A Novel Red Fluoride Phosphor BaTaF7∶Mn4+[J].Chinese Journal of Luminescence,2023,44(06):975-984.
孔俊人,周洋,张世瑞等.一种新型氟化物红色荧光粉BaTaF7∶Mn4+[J].发光学报,2023,44(06):975-984. DOI: 10.37188/CJL.20220411.
KONG Junren,ZHOU Yang,ZHANG Shirui,et al.A Novel Red Fluoride Phosphor BaTaF7∶Mn4+[J].Chinese Journal of Luminescence,2023,44(06):975-984. DOI: 10.37188/CJL.20220411.
采用共沉淀方法合成了一种新型氟化物红色荧光粉BaTaF
7
∶Mn
4+
,确定了BaTaF
7
的组成与晶体结构,研究并讨论了晶体结构与发光性能之间的关系。在紫外(UV)和蓝光激发下,BaTaF
7
∶Mn
4+
荧光粉在630 nm表现出强烈的零声子线(ZPL)发射,其源于晶体结构中[MnF
7
]畸变八面体的
C
3
v
群对称环境。由YAG∶Ce
3+
和BaTaF
7
∶Mn
4+
荧光粉混合制备的暖白光LED表现出较优异的性能,表明BaTaF
7
∶Mn
4+
具有成为暖白色发光二极管红色荧光粉的应用潜力。
A novel red fluoride phosphor BaTaF
7
∶Mn
4+
was synthesized
via
the conventional co-precipitation method. The structure and luminescence properties of BaTaF
7
∶Mn
4+
were investigated and discussed under various conditions. The BaTaF
7
∶Mn
4+
phosphor shows strong ZPL emission intensity at about 630 nm under ultraviolet (UV) and blue light excitation. It originated from the highly distorted Mn
4+
octahedral coordination environment in the
C
3v
group symmetry. A warm LED fabricated with a blend of YAG∶Ce
3+
and the BaTaF
7
∶Mn
4+
phosphor showed excellent performance, indicating BaTaF
7
∶Mn
4+
potential for application as a red phosphor for warm WLEDs.
氟化物Mn4+掺杂红色荧光粉零声子线暖白色发光二极管
fluorideMn4+ dopedred phosphorzero-phonon linewarm WLEDs
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