Structural Distortion‐Driven Chirality Transfer and Circularly Polarized Light Emission in Quasi‐2D Perovskites Based Light‐Emitting Diodes

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Demonstration of enhanced circular dichroism in chiral halide perovskites for light-emitting diodes shows potential for spin-optoelectronics.

Enhanced circular dichroism through chiral halide perovskites is achieved, leading to significant performance in devices.
A dissymmetry factor of 7.5 × 10 −2 and an external quantum efficiency of 6.9% were observed in light-emitting diodes.
Density functional theory calculations demonstrated the role of structural distortion in achieving strong circularly polarized light emission.
The findings suggest that optimizing chiral materials could greatly advance applications in spin-optoelectronic devices.

Choi et al. (2025) studied this question.

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View Full Paper

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Demonstration of enhanced circular dichroism in chiral halide perovskites for light-emitting diodes shows potential for spin-optoelectronics.

Enhanced circular dichroism through chiral halide perovskites is achieved, leading to significant performance in devices.
A dissymmetry factor of 7.5 × 10 −2 and an external quantum efficiency of 6.9% were observed in light-emitting diodes.
Density functional theory calculations demonstrated the role of structural distortion in achieving strong circularly polarized light emission.
The findings suggest that optimizing chiral materials could greatly advance applications in spin-optoelectronic devices.

Choi et al. (2025) studied this question.

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