What question did this study set out to answer?

This work aims to enhance the photoluminescence quantum yield of Bi³⁺-doped CaYGaO₄ phosphors using lithium-based fluxes.

April 1, 2026

Enhanced Deep-Blue Emission and Quantum Yield of Ca₀.₉₉₅YGaO₄:0.5%Bi³⁺ via Lithium-Based Flux Additives

AYAbdelrhman YousifKarlsruhe Institute of Technology ATAndrey TurshatovKarlsruhe Institute of Technology DBDmitry BuskoKarlsruhe Institute of Technology

Puntos clave

This work aims to enhance the photoluminescence quantum yield of Bi³⁺-doped CaYGaO₄ phosphors using lithium-based fluxes.
Synthesis of Bi³⁺-doped CaYGaO₄ through solid-state reaction.
Optimization of phosphors using various lithium-based flux additives.
Comparative studies on the effects of fluxes on emission properties.
Significant enhancement in the blue photoluminescence quantum yield observed.
Li-based flux additives contributed to improved emission characteristics of the phosphors.

Resumen

In this work, Bi³⁺-doped CaYGaO₄ phosphors were synthesised through solid-state reaction and systematically optimised using lithium-based fluxes to enhance their photoluminescence quantum yield (PLQY) in the blue region. Comparative studies...

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