• Advanced Photonics
  • Vol. 2, Issue 5, 054001 (2020)
Zengle Cao1、†, Fengrui Hu1, Chunfeng Zhang1, Shining Zhu1, Min Xiao1、2, and Xiaoyong Wang1、*
Author Affiliations
  • 1Nanjing University, College of Engineering and Applied Sciences, School of Physics, Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing, China
  • 2University of Arkansas, Department of Physics, Fayetteville, Arkansas, United States
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    DOI: 10.1117/1.AP.2.5.054001 Cite this Article Set citation alerts
    Zengle Cao, Fengrui Hu, Chunfeng Zhang, Shining Zhu, Min Xiao, Xiaoyong Wang. Optical studies of semiconductor perovskite nanocrystals for classical optoelectronic applications and quantum information technologies: a review[J]. Advanced Photonics, 2020, 2(5): 054001 Copy Citation Text show less

    Abstract

    Semiconductor perovskite films are now being widely investigated as light harvesters in solar cells with ever-increasing power conversion efficiencies, which have motivated the fabrication of other optoelectronic devices, such as light-emitting diodes, lasers, and photodetectors. Their superior material and optical properties are shared by the counterpart colloidal nanocrystals (NCs), with the additional advantage of quantum confinement that can yield size-dependent optical emission ranging from the near-UV to near-infrared wavelengths. So far, intensive research efforts have been devoted to the optical characterization of perovskite NC ensembles, revealing not only fundamental exciton relaxation and recombination dynamics but also low-threshold amplified spontaneous emission and novel superfluorescence effects. Meanwhile, the application of single-particle spectroscopy techniques to perovskite NCs has helped to resolve a variety of optical properties for which there are few equivalents in traditional colloidal NCs, mainly including nonblinking photoluminescence, suppressed spectral diffusion, stable exciton fine structures, and coherent single-photon emission. While the main purpose of ensemble optical studies is to guide the smooth development of perovskite NCs in classical optoelectronic applications, the rich observations from single-particle optical studies mark the emergence of a potential platform that can be exploited for quantum information technologies.
    Zengle Cao, Fengrui Hu, Chunfeng Zhang, Shining Zhu, Min Xiao, Xiaoyong Wang. Optical studies of semiconductor perovskite nanocrystals for classical optoelectronic applications and quantum information technologies: a review[J]. Advanced Photonics, 2020, 2(5): 054001
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