Qi Xiang, Zhang Yupeng, Ou Qingdong, Ha Son Tung, Qiu Cheng-Wei, Zhang Han, Cheng Yi-Bing, Xiong Qihua, Bao Qiaoliang
College of Electronic Science and Technology, College of Optoelectronics Engineering, SZU-NUS Collaborative Innovation Centre for Optoelectronic Science & Technology, and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, 518000, China.
Department of Materials Science and Engineering, Monash University, Wellington Road, Clayton, Victoria, 3800, Australia.
Small. 2018 Jun 27:e1800682. doi: 10.1002/smll.201800682.
In the growing list of 2D semiconductors as potential successors to silicon in future devices, metal-halide perovskites have recently joined the family. Unlike other conversional 2D covalent semiconductors such as graphene, transition metal dichalcogenides, black phosphorus, etc., 2D perovskites are ionic materials, affording many distinct properties of their own, including high photoluminescence quantum efficiency, balanced large exciton binding energy and oscillator strength, and long carrier diffusion length. These unique properties make 2D perovskites potential candidates for optoelectronic and photonic devices such as solar cells, light-emitting diodes, photodetectors, nanolasers, waveguides, modulators, and so on, which represent a relatively new but exciting and rapidly expanding area of research. In this Review, the recent advances in emerging 2D metal-halide perovskites and their applications in the fields of optoelectronics and photonics are summarized and insights into the future direction of these fields are offered.
在越来越多有望在未来器件中接替硅的二维半导体中，金属卤化物钙钛矿最近加入了这个行列。与其他传统二维共价半导体（如石墨烯、过渡金属二卤化物、黑磷等）不同，二维钙钛矿是离子材料，具有许多独特的性质，包括高光致发光量子效率、平衡的大激子结合能和振子强度，以及长载流子扩散长度。这些独特性质使二维钙钛矿成为光电器件和光子器件（如太阳能电池、发光二极管、光电探测器、纳米激光器、波导、调制器等）的潜在候选材料，这代表了一个相对较新但令人兴奋且迅速发展的研究领域。在本综述中，总结了新兴二维金属卤化物钙钛矿的最新进展及其在光电子学和光子学领域的应用，并对这些领域的未来方向提供了见解。
