Bright red circularly polarized luminescence of liquid crystalline polymer network films

Zonglin Li; Xuan Wang; Wei Zhang; Fengyun Shi; Hongkun Li

Next Materials (Jan 2025)

Bright red circularly polarized luminescence of liquid crystalline polymer network films

Zonglin Li,
Xuan Wang,
Wei Zhang,
Fengyun Shi,
Hongkun Li

Affiliations

Zonglin Li: Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
Xuan Wang: Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
Wei Zhang: Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
Fengyun Shi: Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
Hongkun Li: Corresponding author.; Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China

Journal volume & issue: Vol. 6
p. 100489

Abstract

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Circularly polarized luminescence (CPL)-active functional materials have drawn extensive attention for their wide range of promising applications. However, the preparation of CPL materials with long-wavelength emission, large luminescence dissymmetry (glum) factors and high luminescence efficiency remains a challenging task. In this work, two liquid crystalline polymer network films were fabricated by photocrosslinking reactions of cholesteric liquid crystal mixtures containing an aggregation-induced emission luminogen. The resulting films exhibit bright red CPL with an absolute glum value up to 0.37 and a fluorescence quantum yield up to 73%. Furthermore, the films can be utilized for fabrication of patterns for anti-counterfeiting applications.

Published in Next Materials

ISSN: 2949-8228 (Online)
Publisher: Elsevier
Country of publisher: United Kingdom
LCC subjects: Technology
Website: https://www.sciencedirect.com/journal/next-materials

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