November 28, 2025SmallOpen Access

Tailoring the Microstructure and Electronic Properties of CsPbBr ₃ Perovskite Films: Toward High‐Efficiency Light‐Emitting Diodes

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External quantum efficiency of perovskite LEDs improved from 14.2% to 24.1%, showcasing substantial performance gains.
Smooth perovskite layers with reduced grain sizes were achieved, enhancing radiative recombination efficiency effectively.
Employing (2-phenylethyl) phosphonic acid, the method improved crystallization dynamics and reduced defect density in films.
High luminance over 260,000 cd m−2 achieved, supporting advanced applications in light-emitting diodes.

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Implication

This work reveals enhanced charge transport in light-emitting diodes using microstructure modifications, indicating that crystallization dynamics improve performance significantly.

Cite This Study

Xue et al. (2025) studied this question.

synapsesocial.com/papers/6928f11ba65b730b9ea7a146 https://doi.org/10.1002/smll.202509646

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Implication

This work reveals enhanced charge transport in light-emitting diodes using microstructure modifications, indicating that crystallization dynamics improve performance significantly.

Tailoring the Microstructure and Electronic Properties of CsPbBr ₃ Perovskite Films: Toward High‐Efficiency Light‐Emitting Diodes

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Discussion

Implication

Cite This Study

Tailoring the Microstructure and Electronic Properties of CsPbBr ₃ Perovskite Films: Toward High‐Efficiency Light‐Emitting Diodes

Key Points

Discussion

Implication

Cite This Study

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