Synthesis and Studying the Optical Properties of Novel Zinc Oxide/a symmetric dimer Liquid Crystal Nanohybrid

In this work, a novel synthesis procedure was reported for the preparation of zinc oxide/liquid crystal nanohybrid. Also, the pure zinc oxide nanoparticles were synthesized through a hydrothermal route. Proton nuclear magnetic resonance (1H- NMR), X-ray diffraction pattern (XRD), Fourier transform infrared (FTIR), scanning electron microscope (SEM), and transmission electron microscope (TEM) were used to analyze the structural and morphological characteristics of processed samples. The SEM images reveal that prepared zinc oxide has a uniform shape and size with an average of 58nm in diameter. It is found that the morphology of zinc oxide nanoparticles changes to cubic.  The Nematic mesophases of Dimeric LCs were examined and described using a combination of two analytical methods: polarized optical microscopy (POM) and differential scanning calorimetry (DSC). Except for compound 5h, which forms SmA mesophases throughout a heating and cooling cycle, most compounds display Nematic mesophases. The optical properties of prepared liquid crystals were investigated via photoluminescence analysis in various solvents. The results showed that zinc oxide/liquid crystal nanohybrid has sufficient Pl spectrum that leads to the application of this nanohybrid in some optoelectronic applications such as cameras, medical devices, safety equipment and industrial equipment.