Issue 1, 2022
From the journal:

RSC Advances

Luminescence properties, energy transfer and thermal stability of white emitting phosphor Sr3(PO4)2:Ce3+/Tb3+/Mn2+ for white LEDs

Yingshan Ma,a   Suyue Fu,a   Yichang Zhao,a   Chunjiao Liu,*a   Leipeng Li,a   Zhijun Wang, ORCID logo *a   Hao Suo,a   Dawei Wang,b   Jinxin Zhaob  and  Panlai Li ORCID logo *a  

* Corresponding authors

a National-Local Joint Engineering Laboratory of New Energy Photoelectric Devices, Hebei Key Laboratory of Optic-electronic Information and Materials, College of Physics Science & Technology, Hebei University, Baoding 071002, China
E-mail: 1342687874@qq.com, wangzj1998@126.com, li_panlai@126.com

b Hebei Key Laboratory of Semiconductor Lighting and Display Critical Materials, Baoding, China

Abstract

A series of Sr3(PO4)2:Ce3+/Mn2+/Tb3+ phosphors were synthesized by a high temperature solid phase method. After introducing Ce3+ as sensitizer in Sr3(PO4)2:Ce3+/Mn2+, the efficient energy transfer from Ce3+ to Mn2+ was observed and analyzed in detail, and Sr3(PO4)2:Ce3+/Mn2+ was demonstrated to be color tunable, changing from blue to orange red. In addition, Tb3+ ion, which mainly emits green light, was further added into the Sr3(PO4)2:Ce3+/Mn2+. Due to the addition of this green emission, the white emitting phosphors with good quality were obtained. At the same time, the energy transfer mechanisms among Ce3+, Tb3+ and Mn2+ ions were also analyzed in detail. The results show that Sr3(PO4)2:Ce3+/Mn2+/Tb3+ is a promising candidate for white light emitting diodes.

Graphical abstract: Luminescence properties, energy transfer and thermal stability of white emitting phosphor Sr3(PO4)2:Ce3+/Tb3+/Mn2+ for white LEDs

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Article information

DOI
https://doi.org/10.1039/D1RA08062H
Article type
Paper
Submitted
03 Nov 2021
Accepted
15 Dec 2021
First published
21 Dec 2021
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 420-428

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Luminescence properties, energy transfer and thermal stability of white emitting phosphor Sr3(PO4)2:Ce3+/Tb3+/Mn2+ for white LEDs

Y. Ma, S. Fu, Y. Zhao, C. Liu, L. Li, Z. Wang, H. Suo, D. Wang, J. Zhao and P. Li, RSC Adv., 2022, 12, 420 DOI: 10.1039/D1RA08062H

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