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- Title
SYNTHESIS AND CHARACTERIZATION OF SCHIFF BASE LIQUID CRYSTALS WITH DISPERSED ZnO NANOPARTICLES-OPTICAL PROPERTIES.
- Authors
Jayaprada, P.; Tejaswi, M.; Giridhar, G.; Rao, M. C.; Pisipati, V. G. K. M.; Manepalli, R. K. N. R.
- Abstract
Liquid crystalline compounds exhibit more enhanced optical properties with dispersed ZnO nanoparticles. In the present work 1wt% ZnO nanoparticles are dispersed in liquid crystalline Schiff base 10O.Om compounds (m=3,4 and 5). The Differential Scanning Calorimetry (DSC) technique is used to measure the phase transition temperatures. The characterization of nanoparticles is carried out by various spectroscopic techniques like Ultra-Violet Visible Spectroscopy(UV), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Fourier Transform Infra Red Spectroscopy (FTIR). Textural determinations of the synthesized compounds are recorded by using Polarizing Optical Microscope (POM) connected with hot stage and camera. The results show that the dispersion of 1wt%ZnO nanoparticles in 10O.Om compounds exhibit NC phases as same as the pure compounds with reduced clearing temperatures as expected and the nematic thermal ranges are increased slightly.
- Subjects
SCHIFF bases; LIQUID crystal states; DIFFERENTIAL scanning calorimetry; ZINC oxide; ADJACENT re-entry model
- Publication
Rasayan Journal of Chemistry, 2016, Vol 9, Issue 4, p588
- ISSN
0974-1496
- Publication type
Article