荧光粉
色度
发光
材料科学
兴奋剂
离子
分析化学(期刊)
晶体结构
发射光谱
化学
光学
光电子学
谱线
结晶学
物理
有机化学
色谱法
天文
作者
Andrey P. Shablinskii,Alexey V. Povolotskiy,Artem A. Yuriev,Yaroslav P. Biryukov,Р. С. Бубнова,Margarita S. Avdontceva,Svetlana Janson,С. К. Филатов
出处
期刊:Symmetry
[MDPI AG]
日期:2023-04-14
卷期号:15 (4): 918-918
被引量:1
摘要
The novel red-emitting BaBi2−xEuxB4O10 (x = 0.05, 0.1, 0.2, 0.25, 0.3, 0.4, 0.5, 0.6) phosphors were obtained by a crystallization from a glass. Distribution of the Eu3+ ions over cation sites were refined for x = 0.1, 0.3 and 0.4 from single-crystal X-ray diffraction data. Emission and excitation spectra of the Eu3+-doped BaBi2B4O10 phosphors were investigated for the first time, where it was shown that characteristic lines are attributed to the intraconfigurational 4f-4f transitions. The optimal concentration for the BaBi2−xEuxB4O10 phosphors is x = 0.4, after which a luminescence intensity decreases. The CIE chromaticity coordinates for the BaBi2B4O10:Eu3+ (x = 0.4) phosphor (0.65, 0.35) are close to the NTSC standard values (0.67, 0.33) for commercial red phosphor. The obtained results show that the BaBi2B4O10:Eu3+ phosphors are promising candidates for solid state lighting application.
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