Study on the influence of Bi3+ and Sm3+ doping on the luminescence properties of Ba2SiO4: Eu3+ red phosphor
Study on the influence of Bi3+ and Sm3+ doping on the luminescence properties of Ba2SiO4: Eu3+ red phosphor
复制标题
Bi3和Sm3掺杂对Ba2SiO4:Eu3红色荧光粉发光性能影响的研究
DOI：
10.1007/s00339-021-05218-w
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发表时间：
2022-02-01
影响因子：
2.7
通讯作者：
You, Weixiong
中科院分区：
文献类型：
--
作者：
Xiao, Zongliang;Ye, Jingting;You, Weixiong
W-LED照明是当今社会一种绿色环保的照明方式，红色荧光粉在W-LED照明中发挥着不可替代的作用。本文研究了一系列稀土掺杂的Ba 2-aSiO 4：aEu（3+）荧光粉，（a = 0.02类似于0.10），Ba 2-a-bSiO 4：aEu（3+），bBi（3+）（B = 0.01，类似于0.08）和Ba 2-a-cSiO 4：采用传统的高温固相反应法成功地合成了aEu（3+），cSm（3+）（c = 0.005与0.02相近）。实验结果表明，当Eu 3+掺杂浓度超过0.08mol时，发生浓度猝灭，浓度猝灭的主要机制是基于多极相互作用。在392 nm光的激发下，所有荧光粉都发出强的红橙子光。Sm ~（3+）和Bi ~（3+）离子的掺杂可以有效地改善Ba 2-aSiO 4：aEu（3+）荧光粉的发光性能，Bi ~（3+）和Sm ~（3+）离子的最佳掺杂浓度为4 mol.%和1摩尔%，分别上述结果表明这些荧光粉在白光LED领域具有潜在的应用前景。
W-LED lighting is a green and environment-friendly lighting method in today's society, and red phosphors play an irreplaceable role in W-LED lighting. In this work, a series of rare-earth-doped phosphors, Ba2-aSiO4: aEu(3+) (a = 0.02 similar to 0.10), Ba2-a-bSiO4: aEu(3+), bBi(3+) (b = 0.01 similar to 0.08) and Ba2-a-cSiO4: aEu(3+), cSm(3+) (c = 0.005 similar to 0.02), were successfully synthesized by traditional high-temperature solid-state reaction method. The experimental results showed that the concentration quenching occurred in the case of the doping concentration of Eu3+ exceeding 0.08 mol, and the main mechanism of concentration quenching was based on the multipole interaction. Under the excitation of 392 nm light, all phosphors emitted strong reddish orange light. The doping of Sm3+ and Bi3+ ions can effectively improve the luminescence properties of Ba2-aSiO4: aEu(3+) phosphor, and the optimal doping concentration for Bi3+ and Sm3+ ions was 4 mol.% and 1 mol.%, respectively. The results mentioned above indicate that these phosphors have a potential application in the W-LED field.