Photonics and optoelectronics using nano-structured hybrid perovskite media and their optical cavities

This review focuses on the physics of optical excitation dynamics, band gap engineering and charge carrier dynamics in metal-halide perovskites and their organic hybrids as well as on their technological applications. The role of plasmonic coupling and photonic cavities in enhancing light-matter interactions and manipulating carrier dynamics is clearly presented by examples of studies of perovskite-hybrid plasmonic nanostructured perovskite cavities. Perovskite metasurface is a nascent approach to enhancing photonic device performance that is also briefly described. In addition, nonlinear optical interactions and charge carrier dynamics in (pseudo-) 2D perovskites and photonic structures are discussed. We discuss how photonic communication between a perovskite layer and an interlayer of photoactive organic material in hybrid perovskites contributes to new designs for novel devices. Applications covered are: photodetectors, solar cells, light-emitting diodes and nanolasers, displays, waveguides and modulators, and nonlinear optical devices. Device performance is enhanced by incorporating nanophotonics design concepts. The review concludes with a discussion of technical challenges. New opportunities in multiscale modeling, perovskites with epsilon near zero, perovskites-plasmonic semiconductors, perovskite sensors and quantum applications are presented also presented in the concluding outlook section. (C) 2019 Elsevier B.V. All rights reserved.