Chemistry

Sequentially amplified circularly polarized ultraviolet luminescence for enantioselective photopolymerization

D. Han, X. Yang, et al.

Discover groundbreaking research by Dongxue Han, Xuefeng Yang, Jianlei Han, Jin Zhou, Tifeng Jiao, and Pengfei Duan on a sophisticated system that showcases intense circularly polarized ultraviolet luminescence, setting the stage for chiral UV light-triggered enantioselective polymerization. This innovative approach merges excitation processes and reveals exciting applications for CPL-active materials.

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Abstract

This paper presents a complex system exhibiting intense circularly polarized ultraviolet luminescence (CPUVL) with a large luminescence dissymmetry factor (*g<sub>lum</sub>*), enabling chiral UV light-triggered enantioselective polymerization. The system integrates sensitized triplet-triplet annihilation upconversion and CPL, achieving both visible-to-UV upconversion emission and upconverted circularly polarized ultraviolet luminescence (UC-CPUVL). Dispersing this system in room-temperature nematic liquid crystal amplifies the *g<sub>lum</sub>* value of UC-CPUVL, which then triggers enantioselective diacetylene photopolymerization. This work advances functional applications of CPL-active materials.

Publisher

Nature Communications

Published On

Nov 09, 2020

Authors

Dongxue Han, Xuefeng Yang, Jianlei Han, Jin Zhou, Tifeng Jiao, Pengfei Duan

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