Issue 10, 2023

Chiral metal–organic frameworks for photonics

Abstract

Recently, there has been significant interest in the use of chiral metal–organic frameworks (MOFs) and coordination polymers (CPs) for photonics applications. The promise of these materials lies in the ability to tune their properties through judicious selection of the metal and ligand components. Additionally, the interaction of guest species with the host framework can be exploited to realise new functionalities. In this review, we outline the methods for synthesising chiral MOFs and CPs, then analyse the recent innovations in their use for various optical and photonics applications. We focus on two emerging directions in the field of MOF chemistry – circularly polarised luminescence (CPL) and chiroptical switching – as well as the latest developments in the use of these materials for second-order nonlinear optics (NLO), particularly second-harmonic generation (SHG). The current challenges encountered so far, their possible solutions, and key directions for further research are also outlined. Overall, given the results demonstrated to date, chiral MOFs and CPs show great promise for use in future technologies such as optical communication and computing, optical displays, and all-optical devices.

Graphical abstract: Chiral metal–organic frameworks for photonics

Article information

Article type
Review Article
Submitted
04 Oct 2022
First published
10 May 2023

Chem. Soc. Rev., 2023,52, 3567-3590

Chiral metal–organic frameworks for photonics

L. A. Hall, D. M. D’Alessandro and G. Lakhwani, Chem. Soc. Rev., 2023, 52, 3567 DOI: 10.1039/D2CS00129B

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