Issue 34, 2024

Enhanced NIR emission and thermal stability of La2MgSnO6:Mn4+,Ni2+via energy transfer

Abstract

Near-infrared (NIR) phosphor materials are increasingly being recognized for their diverse functional applications. In this study, we investigate the enhancement of NIR emission and thermal stability in La2MgSnO6:Mn4+,Ni2+ through energy transfer mechanisms. Our findings reveal that co-doping La2MgSnO6 with Mn4+ significantly enhances Ni2+ absorption in the blue light region, markedly increases the NIR emission intensity, and improves thermal quenching performance. The newly developed La2MgSnO6:Mn4+,Ni2+ phosphors, when incorporated into NIR phosphor-converted LEDs (pc-LEDs), demonstrate significant potential for applications in night vision, information encryption, and vein imaging. This research paves a new path for enhancing the luminescent properties of Ni2+ and advancing high-performance NIR phosphors.

Graphical abstract: Enhanced NIR emission and thermal stability of La2MgSnO6:Mn4+,Ni2+via energy transfer

Supplementary files

Article information

Article type
Paper
Submitted
09 Jun 2024
Accepted
19 Jul 2024
First published
22 Jul 2024

J. Mater. Chem. C, 2024,12, 13508-13515

Enhanced NIR emission and thermal stability of La2MgSnO6:Mn4+,Ni2+via energy transfer

Y. Liu, C. Dou, F. Dou, Z. Zhang, X. Gao, H. Zhang, S. Wang, X. Wang and H. Jiao, J. Mater. Chem. C, 2024, 12, 13508 DOI: 10.1039/D4TC02392G

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