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Operational and Spectral Stability of Perovskite Light-Emitting Diodes
ACS Energy Letters ( IF 19.3 ) Pub Date : 2021-08-16 , DOI: 10.1021/acsenergylett.1c01545 Fanghao Ye 1 , Qingsong Shan 2 , Haibo Zeng 2 , Wallace C. H. Choy 1
ACS Energy Letters ( IF 19.3 ) Pub Date : 2021-08-16 , DOI: 10.1021/acsenergylett.1c01545 Fanghao Ye 1 , Qingsong Shan 2 , Haibo Zeng 2 , Wallace C. H. Choy 1
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As an emerging light source, perovskite light-emitting diodes (PeLEDs) based on metal halide perovskites have witnessed incredible progress in recent years, and device efficiency is considerably enhanced toward the level of practical applications. However, the stability of the PeLEDs is significantly behind that of commercial light sources. It is imminent to considerably improve the operational stability of the device. In this Review, we first analyze the factors that cause device degradation. Then, we describe the research progress in improving PeLEDs’ operational stability via defect passivation, charge balance, and thermal management. Furthermore, the issue of spectral stability is presented. Finally, we discuss the future development directions for achieving high-performing and stable PeLEDs.
中文翻译：
钙钛矿发光二极管的工作和光谱稳定性
作为一种新兴的光源，基于金属卤化物钙钛矿的钙钛矿发光二极管（PeLED）近年来取得了令人难以置信的进步，器件效率向实际应用水平大幅提升。然而，PeLED 的稳定性明显落后于商用光源。显着提高设备的运行稳定性迫在眉睫。在这篇评论中，我们首先分析了导致设备退化的因素。然后，我们描述了通过缺陷钝化、电荷平衡和热管理提高 PeLED 运行稳定性的研究进展。此外，还提出了光谱稳定性问题。最后，我们讨论了实现高性能和稳定 PeLED 的未来发展方向。
更新日期：2021-09-10
中文翻译：
钙钛矿发光二极管的工作和光谱稳定性
作为一种新兴的光源，基于金属卤化物钙钛矿的钙钛矿发光二极管（PeLED）近年来取得了令人难以置信的进步，器件效率向实际应用水平大幅提升。然而，PeLED 的稳定性明显落后于商用光源。显着提高设备的运行稳定性迫在眉睫。在这篇评论中，我们首先分析了导致设备退化的因素。然后，我们描述了通过缺陷钝化、电荷平衡和热管理提高 PeLED 运行稳定性的研究进展。此外，还提出了光谱稳定性问题。最后，我们讨论了实现高性能和稳定 PeLED 的未来发展方向。
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