Issue 4, 2022

Circularly polarized luminescent porous crystalline nanomaterials

Abstract

Circularly polarized luminescence (CPL)-active materials have attracted exclusive attention because of their wide potential applications in low-power-consumption displays, encrypted information storage, chiroptical sensors, and so on. However, there is always a trade-off between the luminescence dissymmetry factor (glum) and luminescence quantum yield, which are two critical parameters. Therefore, developing materials with both large glum values and high luminescence efficiency is a key issue for constructing high-efficiency CPL materials. To date, chiral porous crystalline nanomaterials (PCNMs) including metal–organic frameworks (MOFs), porous organic-cages (POCs), metal–organic cages (MOCs), and supramolecular organic frameworks (SOFs), have shown excellent potential for solving this problem and achieving functional CPL-active materials. In this review, we will summarize several approaches for fabricating CPL-active PCNMs, such as direct synthesis, chirality induction, and symmetry breaking. Furthermore, with flexibly tunable structures and comprehensive host–guest chemistry, modulation and amplification of CPL can be achieved in these PCNMs. We would like to provide insight and perspective that PCNMs can act as an efficient platform in the CPL research field.

Graphical abstract: Circularly polarized luminescent porous crystalline nanomaterials

Associated articles

Article information

Article type
Minireview
Submitted
26 okt 2021
Accepted
23 dek 2021
First published
24 dek 2021

Nanoscale, 2022,14, 1123-1135

Circularly polarized luminescent porous crystalline nanomaterials

A. Zheng, T. Zhao, X. Jin, W. Miao and P. Duan, Nanoscale, 2022, 14, 1123 DOI: 10.1039/D1NR07069J

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