Preparation of polymer/cholesteric liquid crystals composite films with broadband reflective capability from a polymerizable chiral dopant end-capped with menthyl group. Issue 1 (13th April 2023)

• Record Type: Journal Article
• Authors: Zhang, Huimin; Li, Fei; Zhao, Yang; Zhao, Yuzhen; Gao, Jianjing; Zhao, Xiangrong; Miao, Zongcheng
• Is Part Of: Molecular crystals and liquid crystals. Volume 755:Issue 1(2023)
• Page Start: 14
• Page End: 22
• Publication Date: 2023-04-13
• Subjects: Broadband reflective capability -- liquid crystals -- menthyl group -- polymerizable chiral dopant; Molecular crystals -- Periodicals; Liquid crystals -- Periodicals; Liquid crystals; Molecular crystals; Periodicals; 548
• DOI: 10.1080/15421406.2022.2108787
• Languages: English
• ISSNs: 1542-1406

Abstract

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%.