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May 6, 2026Advanced Materials

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

Shanshan Li Ge Zhu Xufeng Zhou Chuang Wang Kaicheng Zhang Zhuowei Li Wen Xu Bin Dong

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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.

Implication

Next-Generation phosphors enhance SWIR output power, enabling better photonic applications and detection.

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Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69fd7ec6bfa21ec5bbf0706d https://doi.org/10.1002/adma.73305

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