Metal halide perovskites have been regarded as remarkable materials for next-generation light-harvesting and light emission devices.Due to their unique optical properties,such as high absorption coefficient,high optic...Metal halide perovskites have been regarded as remarkable materials for next-generation light-harvesting and light emission devices.Due to their unique optical properties,such as high absorption coefficient,high optical gain,low trappingstate density,and ease of band gap engineering,perovskites promise to be used in lasing devices.In this article,the recent progresses of microlasers based on reduced-dimensional structures including nanoplatelets,nanowires,and quantum dots are reviewed from both fundamental photophysics and device applications.Furthermore,perovskite-based plasmonic nanolasers and polariton lasers are summarized.Perspectives on perovskite-based small lasers are also discussed.This review can serve as an overview and evaluation of state-of-the-art micro/nanolaser science.展开更多
Perovskite materials,especially metal halide perovskites,exhibit excellent properties,such as large optical coefficients,high carrier mobilities,long carrier lifetimes,tunable resistivities,large X-ray attenuation coe...Perovskite materials,especially metal halide perovskites,exhibit excellent properties,such as large optical coefficients,high carrier mobilities,long carrier lifetimes,tunable resistivities,large X-ray attenuation coefficients,and simple processing techniques.In recent decades,perovskites have attracted significant attention in the photoelectric field due to their versatile utility in solar cells,light-emitting diodes,photodetectors,X/γ-ray detectors,and lasing.However,the wide applicability of perovskites highly depends on the quality of perovskite crystals and films.Thus far,several perovskite growth technologies and methods have emerged.Therefore,this review classified and summarized the main methods that have been employed to achieve perovskite growth in recent years,including the solution temperaturelowering(STL)method,inverse temperature crystallization(ITC),anti-solvent vapor-assisted crystallization(AVC),spin coating,and chemical vapor deposition(CVD).Through analysis and summary,it has been determined that the STL,ITC,and AVC methods are mainly used to grow high-quality perovskite single crystals.While the spin-coating method has a significant advantage in the preparation of perovskite films,the CVD method is propitious in the fabrication of a variety of morphologies of micro/nano perovskite materials.We hope that this review can be a comprehensive reference for scientific researchers to prepare perovskite-related materials.展开更多
基金Project supported by the National Key Research and Development Program of China(Grant Nos.2017YFA0304600,2017YFA0205700,and2016YFA0200700)the National Natural Science Foundation of China(Grant Nos.61774003 and 21673054)+2 种基金the Start-up Funding of Peking University,National Young 1000-talents Scholarship of Chinathe Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics,China(Grant No.KF201604)the Key Research Program of Frontier Sciences,Chinese Academy of Sciences(Grant No.QYZDB-SSW-SYS031)
文摘Metal halide perovskites have been regarded as remarkable materials for next-generation light-harvesting and light emission devices.Due to their unique optical properties,such as high absorption coefficient,high optical gain,low trappingstate density,and ease of band gap engineering,perovskites promise to be used in lasing devices.In this article,the recent progresses of microlasers based on reduced-dimensional structures including nanoplatelets,nanowires,and quantum dots are reviewed from both fundamental photophysics and device applications.Furthermore,perovskite-based plasmonic nanolasers and polariton lasers are summarized.Perspectives on perovskite-based small lasers are also discussed.This review can serve as an overview and evaluation of state-of-the-art micro/nanolaser science.
基金supported by the National Natural Science Foundation of China(62090035,U19A2090,61905071)the Key Program of the Hunan Provincial Science and Technology Department(2019XK2001,2020XK2001)+2 种基金the International Science and Technology Innovation Cooperation Base of Hunan Province(2018WK4004)the China Postdoctoral Science Foundation(2022TQ0100)the National Key Research and 288 Development Program of China(2022YFB3604701).
基金supported by the Ministry of Science and Technology(2016YFA0200700 and 2017YFA0205004)the National Natural Science Foundation of China(21673054,11874130,61307120,61704038 and 11474187)the Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics(KF201902)。
文摘Perovskite materials,especially metal halide perovskites,exhibit excellent properties,such as large optical coefficients,high carrier mobilities,long carrier lifetimes,tunable resistivities,large X-ray attenuation coefficients,and simple processing techniques.In recent decades,perovskites have attracted significant attention in the photoelectric field due to their versatile utility in solar cells,light-emitting diodes,photodetectors,X/γ-ray detectors,and lasing.However,the wide applicability of perovskites highly depends on the quality of perovskite crystals and films.Thus far,several perovskite growth technologies and methods have emerged.Therefore,this review classified and summarized the main methods that have been employed to achieve perovskite growth in recent years,including the solution temperaturelowering(STL)method,inverse temperature crystallization(ITC),anti-solvent vapor-assisted crystallization(AVC),spin coating,and chemical vapor deposition(CVD).Through analysis and summary,it has been determined that the STL,ITC,and AVC methods are mainly used to grow high-quality perovskite single crystals.While the spin-coating method has a significant advantage in the preparation of perovskite films,the CVD method is propitious in the fabrication of a variety of morphologies of micro/nano perovskite materials.We hope that this review can be a comprehensive reference for scientific researchers to prepare perovskite-related materials.
