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Abstract
In this study, a polymerizable chiral dopant end-capped with menthyl group was synthesized. The solubility of the polymerizable chiral dopant in a mesogenic host was also studied. The film with left-handed broadband reflective capability was prepared via employing the chiral dopant and a bifunctional mesogenic compound as the polymerizable monomers. To enhance the reflection of the broadband reflective film, two films that reflected left-handed circularly polarized light and right-handed circularly polarized light, respectively, were superimposed to obtain a composite film. The reflection of the composite film for the light with the wavelength between about 800 and 1150 can exceed 60%.
Disclosure statement
The authors declare no competing financial interest.
Additional information
Funding
This work was supported by the National Natural Science Foundation of China (No. 52173263), Natural Science Basic Research Plan in Shaanxi Province of China (No. 2021JM-536, No. 2021GY-205), Scientific Research Program Funded by Shaanxi Provincial Education Department (No. 20JK0968), The Open Project of Shaanxi Collaborative Innovation Center of Industrial Auxiliary Chemistry & Technology (No. XTKF-2020-03), Scientific research fund for high-level talents of Xijing University (No. XJ20B02), and the Youth Innovation Team of Shaanxi Universities.