August 18, 2025Laser & Photonics Review

Thermodynamic Equilibrium between Free Excitons and Self‐Trapped Excitons in Efficient Quasi‐Nanocrystalline Green Perovskite Light‐Emitting Diodes

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Authors

GSGuanwei SunState Key Laboratory of Luminescent Materials and Devices GYGuo‐Xi Yang SLSheng Liao

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Implication

Analysis unveils the dynamic equilibrium of free excitons and self-trapped excitons in perovskite LEDs, suggesting enhanced performance with dual passivation techniques.

Key Points

Achieving a photoluminescence quantum yield of 93.5% ensures high efficiency for light-emitting applications.
Green perovskite LEDs demonstrated an external quantum efficiency of 29.5% with a luminous output of 59232 cd m−2.
Introducing dual passivation agents has significantly reduced non-radiative recombination processes, enhancing carrier lifetimes.
Findings provide critical insights into exciton behavior, demonstrating the importance of thermodynamic equilibrium in optimizing LED performance.

Cite This Study

Sun et al. (2025) studied this question.

synapsesocial.com/papers/68af2ef6cf1dd9ea359e70db https://doi.org/10.1002/lpor.202501677

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Implication

Analysis unveils the dynamic equilibrium of free excitons and self-trapped excitons in perovskite LEDs, suggesting enhanced performance with dual passivation techniques.

Thermodynamic Equilibrium between Free Excitons and Self‐Trapped Excitons in Efficient Quasi‐Nanocrystalline Green Perovskite Light‐Emitting Diodes

Discussion

Member takes

Implication

Key Points

Cite This Study

Thermodynamic Equilibrium between Free Excitons and Self‐Trapped Excitons in Efficient Quasi‐Nanocrystalline Green Perovskite Light‐Emitting Diodes

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider