Abstract
We study the dispersion of gold nanoparticles in binary systems of two homologues of cyanobiphenyl liquid crystals (nCB with n = 5, 6). Using differential scanning calorimetry method, we show that the studied systems have much lower crystal-nematic transition temperatures as compared to the pure nematics transition points, and nematic-isotropic liquid transition temperatures are within the range of pure nematics transition points. Using electrical and dielectric measurements, we reveal that the studied multicomponent mixtures have significantly less threshold voltages and switching off times for Fredrick’s transition (display parameters) as compared to the pure nematics’ values. We propose that this improvement of nematics’ display parameters is due to the effect of doped nanoparticles on nematics’ material parameters.
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