The deep red Ca2YZr2Al3O12:Mn4+ phosphor and enhanced emission by Bi3+ doping

被引：21

作者：

Zhang, Honghui ^{[1
]}

Chen, Yuanyuan ^{[1
]}

Zhu, Xinying ^{[1
]}

Liu, Kuili ^{[1
]}

Zhou, Hucheng ^{[1
]}

Sun, Xianke ^{[1
]}

Li, Nana ^{[1
]}

Feng, Yonglei ^{[1
]}

机构：

[1] Zhoukou Normal Univ, Sch Phys & Telecommun Engn, Zhoukou 466001, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2021年 / 236卷

关键词：

Ca2YZr2Al3O12; Bi3+/Mn4+ doping; Deep-red emission; Energy transfer; WHITE-LIGHT; ENERGY-TRANSFER; PHOTOLUMINESCENCE PROPERTIES; EMITTING PHOSPHORS; UV LIGHT; LUMINESCENCE; EFFICIENCY; LEDS; EU3+;

D O I：

10.1016/j.jlumin.2021.118131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Recently, the investigation of Mn4+ doped phosphors with deep-red emission is one of hot research topics because that this type of phosphors has potential applications in phosphor converted white light emitting diodes (pc-WLEDs). In this article, we designed and synthesized Bi3+/Mn4+ doped Ca2YZr2Al3O12 phosphors. In addition, we investigated their luminescence performances to show the potential applications in pc-WLEDs. The emission spectra show that Ca2YZr2Al3O12:Mn4+ phosphors have emission bands within the range of 650-775 nm upon the excitation at 355 nm. Moreover, the codoped Bi3+ ions in Ca2YZr2Al3O12:Mn4+ phosphors can enhance the luminescence intensity of Mn4+ via the Bi3+ -> Mn4+ energy transfer process. A pc-WLED device containing the yellow Y3Al5O12:Ce3+ phosphor and Ca2Y0.992Zr1.988Al3O12:0.008Bi(3+)/0.012Mn(4+) phosphor was fabricated. The results of this work imply that the phosphor has potential applications in pc-WLEDs.

引用

页数：6

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