Issue 37, 2023

Recent progress in trivalent europium (Eu3+)-based inorganic phosphors for solid-state lighting: an overview

Abstract

Narrow band red-emitting phosphors are significant constituents but still a bottleneck for next-generation smart displays and high-performance lighting (solid-state lighting based white light-emitting diodes (WLEDs)) technology. This review emphasizes the fundamental understanding and comprehensive overview of the recent progress and challenges associated with inorganic phosphors or down (wavelength) convertors, providing special attention to narrowband red-emitting oxide phosphors for phosphor-converted WLEDs (pc-WLEDs). In this context, the comprehensive progress on trivalent europium (Eu3+, in scheelite and double perovskite structures) based oxide phosphors with special emphasis on structure–composition–property-correlations is briefly reviewed. Furthermore, the challenges faced in the design of new oxide red phosphors and strategies to improve their absorption, emission efficiency, and future research direction are highlighted.

Graphical abstract: Recent progress in trivalent europium (Eu3+)-based inorganic phosphors for solid-state lighting: an overview

Article information

Article type
Perspective
Submitted
31 1 2023
Accepted
28 7 2023
First published
08 8 2023

Dalton Trans., 2023,52, 13027-13057

Recent progress in trivalent europium (Eu3+)-based inorganic phosphors for solid-state lighting: an overview

K. Singh, P. Pradhan, S. Priya, S. Mund and S. Vaidyanathan, Dalton Trans., 2023, 52, 13027 DOI: 10.1039/D3DT00303E

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