3 years ago

Effects of the fluorinated liquid crystal molecules on the electro-optical properties of polymer dispersed liquid crystal films

Effects of the fluorinated liquid crystal molecules on the electro-optical properties of polymer dispersed liquid crystal films
Tianmeng Jiang, Lanying Zhang, Hui Cao, Fasheng Li, Haiguang Chen, Huai Yang, Mei Chen, Huimin Zhang, Siquan Zhu

The different fluorinated liquid crystal (LC) molecules doped to E8 were used as LC component to prepare polymer dispersed liquid crystal (PDLC) films. The mass fraction of the LC mixture is fixed 50.0 wt%. Results indicate that doping 8.0 wt% fluorinated LC molecule ME3CP to E8 significantly reduced the driving voltage of the PDLC films, and the driving voltage reduced with the rise of mass fraction of ME3CP. Besides, the terminal flexible chain length of the fluorinated LC molecule influenced the LC mixture properties based on E8, such as the dielectric anisotropy, birefringence and viscosity of the LC mixture, and the morphology and the electro-optical properties of PDLC films were controlled not only by the physical properties of the LC mixture, but also by the terminal flexible chain length of the fluorinated LC molecule .

Publisher URL: http://www.tandfonline.com/doi/full/10.1080/02678292.2017.1376715

DOI: 10.1080/02678292.2017.1376715

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