Adaptive Helical Chirality in Supramolecular Microcrystals for Circularly Polarized Lasing

Author:

Lu Miaosen12,Li Penghao12,Dong Xinyu12,Jiang Zhengjun12,Ren Shizhe12,Yao Jiannian12,Dong Haiyun12ORCID,Zhao Yong Sheng12ORCID

Affiliation:

1. Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China

2. School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China

Abstract

AbstractChiral organic molecules offer a promising platform for exploring circularly polarized lasing, which, however, faces a great challenge that the spatial separation of molecular chiral and luminescent centers limits chiroptical activity. Here we develop a helically chiral supramolecular system with completely overlapped chiral and luminescent units for realizing high‐performance circularly polarized lasing. Adaptive helical chirality is obtained by incorporating chiral agents into organic microcrystals. Benefiting from the efficient coupling of stimulated emission with the adaptive helical chirality, the supramolecular microcrystals enable high‐performance circularly polarized lasing emission with dissymmetry factors up to ~0.7. This work opens up the way to rational design of chiral organic materials for circularly polarized lasing.

Funder

Ministry of Science and Technology of the People's Republic of China

National Natural Science Foundation of China

Chinese Academy of Sciences

Publisher

Wiley

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