What question did this study set out to answer?

To develop and evaluate high-performance SWIR-emitting materials based on chromium doped rare earth sulfides for photonic applications.

May 8, 2026

Next‐Generation Short‐Wave Infrared LED Phosphors Based on Chromium Doped Rare Earth Sulfides

Key Points

To develop and evaluate high-performance SWIR-emitting materials based on chromium doped rare earth sulfides for photonic applications.
Characterization of quantum efficiency and output power of SWIR pc-LED.
Demonstration of palm vein recognition and non-destructive detection capabilities.
The SWIR pc-LED achieves an output power of 169.2 mW@350 mA, exceeding that of commercial devices.
Successful implementation of palm vein recognition technologies using the developed materials.

Abstract

. The corresponding SWIR pc-LED delivers a high SWIR output power of 169.2 mW@350 mA, significantly outperforming the commercial devices. Finally, advanced palm vein recognition and portable non-destructive detection are successfully demonstrated. This study provides new insights and an effective materials platform for developing high-performance SWIR-emitting materials toward advanced photonic applications.

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Authors

Shanshan Li

Ge Zhu

Xufeng Zhou

Journals

Advanced Materials

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Institutions

Bohai University

Liaocheng University

State Ethnic Affairs Commission

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Next‐Generation Short‐Wave Infrared LED Phosphors Based on Chromium Doped Rare Earth Sulfides

Key Points

Abstract

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Discussion

Authors

Journals

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References and Citations

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