The Physics of Light Emission in Halide Perovskite Devices.,Advanced Materials

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The Physics of Light Emission in Halide Perovskite Devices.
Advanced Materials ( IF 27.4 ) Pub Date : 2018-09-06 , DOI: 10.1002/adma.201803336
Samuel D Stranks ₁ , Robert L Z Hoye ₁ , Dawei Di ₁ , Richard H Friend ₁ , Felix Deschler ₁

Affiliation

Light emission is a critical property that must be maximized and controlled to reach the performance limits in optoelectronic devices such as photovoltaic solar cells and light-emitting diodes. Halide perovskites are an exciting family of materials for these applications owing to uniquely promising attributes that favor strong luminescence in device structures. Herein, the current understanding of the physics of light emission in state-of-the-art metal-halide perovskite devices is presented. Photon generation and management, and how these can be further exploited in device structures, are discussed. Key processes involved in photoluminescence and electroluminescence in devices as well as recent efforts to reduce nonradiative losses in neat films and interfaces are discussed. Finally, pathways toward reaching device efficiency limits and how the unique properties of perovskites provide a tremendous opportunity to significantly disrupt both the power generation and lighting industries are outlined.

中文翻译：

卤化物钙钛矿器件中的发光物理。

发光是至关重要的属性，必须对其进行最大化和控制，以达到光电子器件（如光伏太阳能电池和发光二极管）的性能极限。卤化物钙钛矿是这些应用中令人兴奋的材料系列，这归因于其独特的前景广阔的特性，这些特性有利于器件结构中的强发光。在此，提出了对最新的金属卤化物钙钛矿器件中的发光物理的当前理解。讨论了光子的产生和管理，以及如何在设备结构中进一步利用它们。讨论了器件中涉及光致发光和电致发光的关键工艺，以及最近为减少纯净薄膜和界面中的非辐射损耗所做的努力。最后，

更新日期：2019-11-20

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