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Recent Advances in Perovskite Micro‐ and Nanolasers
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2018-06-25 , DOI: 10.1002/adom.201800278 Kaiyang Wang 1 , Shuai Wang 1 , Shumin Xiao 1 , Qinghai Song 1, 2
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2018-06-25 , DOI: 10.1002/adom.201800278 Kaiyang Wang 1 , Shuai Wang 1 , Shumin Xiao 1 , Qinghai Song 1, 2
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Lead halide perovskites have been very promising photovoltaic materials due to their unique properties, such as high absorption coefficients, long carrier diffusion lengths, and ultralow densities of trap states, etc. Very recently, the certified power conversion efficiency of perovskite solar cells has been increased to 22.7%, approaching that of crystalline silicon solar cells. As direct bandgap semiconductors, lead halide perovskites also show wide‐band tunable emissions with high quantum yield, which is important for numerous practical applications, especially for the “green gap” region of conventional semiconductors such as III‐nitrides and III‐phosphides. Consequently, versatile lead halide perovskite based micro‐ and nanolasers have been proposed and experimentally demonstrated in the past few years. This review discusses the recent advances of perovskite micro‐ and nanolasers. Following their fundamentals in light confinement and material properties, perovskite micro‐ and nanolasers have been categorized into six sections, i.e., pristine lasers, structured perovskite lasers, multiphoton pumped lasers, perovskite lasers with better stability, postsynthetic control of perovskite lasers, and perovskite laser arrays. At last, future prospects for perovskite lasers are provided.
中文翻译：
钙钛矿微激光器和纳米激光器的最新进展
卤化钙钛矿因其独特的特性（例如高吸收系数，长载流子扩散长度和超低陷阱态密度等）而成为非常有前途的光伏材料。最近，钙钛矿太阳能电池的认证功率转换效率得到了提高。达到22.7％，接近晶体硅太阳能电池。作为直接带隙半导体，卤化钙钛矿也显示出具有高量子产率的宽带可调谐发射，这对于许多实际应用都是重要的，尤其是对于常规半导体的“绿色间隙”区域，例如III族氮化物和III族磷化物。因此，在过去的几年中，已经提出了多功能的基于卤化钙钛矿的微激光和纳米激光，并通过实验证明了这一点。这篇评论讨论了钙钛矿微激光器和纳米激光器的最新进展。根据光限制和材料特性的基本原理，钙钛矿微激光器和纳米激光器分为六个部分，即原始激光器，结构化钙钛矿激光器，多光子泵浦激光器，稳定性更好的钙钛矿激光器，钙钛矿激光器的后合成控制和钙钛矿激光器。数组。最后，提供了钙钛矿激光器的未来前景。和钙钛矿激光阵列。最后，提供了钙钛矿激光器的未来前景。和钙钛矿激光阵列。最后，提供了钙钛矿激光器的未来前景。
更新日期：2018-06-25
中文翻译：
钙钛矿微激光器和纳米激光器的最新进展
卤化钙钛矿因其独特的特性（例如高吸收系数，长载流子扩散长度和超低陷阱态密度等）而成为非常有前途的光伏材料。最近，钙钛矿太阳能电池的认证功率转换效率得到了提高。达到22.7％，接近晶体硅太阳能电池。作为直接带隙半导体，卤化钙钛矿也显示出具有高量子产率的宽带可调谐发射，这对于许多实际应用都是重要的，尤其是对于常规半导体的“绿色间隙”区域，例如III族氮化物和III族磷化物。因此，在过去的几年中，已经提出了多功能的基于卤化钙钛矿的微激光和纳米激光，并通过实验证明了这一点。这篇评论讨论了钙钛矿微激光器和纳米激光器的最新进展。根据光限制和材料特性的基本原理，钙钛矿微激光器和纳米激光器分为六个部分，即原始激光器，结构化钙钛矿激光器，多光子泵浦激光器，稳定性更好的钙钛矿激光器，钙钛矿激光器的后合成控制和钙钛矿激光器。数组。最后，提供了钙钛矿激光器的未来前景。和钙钛矿激光阵列。最后，提供了钙钛矿激光器的未来前景。和钙钛矿激光阵列。最后，提供了钙钛矿激光器的未来前景。
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