Issue 11, 2023

Stability improvements of metal halide perovskite nanocrystals and their optoelectrical applications

Abstract

Recently, metal halide perovskite (MHP) nanocrystals have emerged as luminescent star materials with excellent optical properties such as ultra-high photoluminescence quantum yields (PLQYs), narrow full width at half maximum (FWHM), tunable wavelength, etc. Their excellent photophysical properties make MHP nanocrystals attractive in various optoelectronic applications. However, the potential applications of MHP nanocrystals are seriously hindered by their poor stability against heat, oxygen, moisture, light illumination, etc. In this review, we provide a current progress survey on the fundamental structural properties, photophysical properties, and stability issues of MHP nanocrystals. Among various stability enhancing strategies, we paid particular attention to the integration and encapsulation of MHP nanocrystals in porous framework materials (PFMs). The PFMs possess the advantages of design flexibility, high porosity, environmental stability, and extensive functionality, which could effectively improve the stability of MHP nanocrystals with additional functions. Furthermore, the promising future applications of MHP hybrids are summarized and prospected.

Graphical abstract: Stability improvements of metal halide perovskite nanocrystals and their optoelectrical applications

Article information

Article type
Review Article
Submitted
29 12 2022
Accepted
20 2 2023
First published
24 2 2023

Mater. Chem. Front., 2023,7, 2175-2207

Stability improvements of metal halide perovskite nanocrystals and their optoelectrical applications

Y. Wang, J. Ren, X. Zhou and G. Zhang, Mater. Chem. Front., 2023, 7, 2175 DOI: 10.1039/D2QM01355J

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