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Influence of gold nanoparticles on the electro-optical properties of a nematic liquid crystal
Russian version
Chekulaev I. S. 1, Kurilov A.D. 1, Chausov D. N. 1
1Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia
Email: Chekulaev.I.S@yandex.ru, ad.kurilov@gmail.com
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The influence of gold nanoparticles on the electro-optical properties of the nematic liquid crystal ZhK-1289 has been thoroughly investigated. A concentration-dependent shift in the clearing temperature was observed, with a concentration of 0.03 wt% resulting in a decrease of 1 K, while an increase to 0.03 wt% led to a reduction of 7 K. Analysis of the electro-optical dispersion parameters revealed that the most significant change in refractive index anisotropy occurs within the wavelength range of 590-700 nm. Furthermore, the incorporation of gold nanoparticles was found to lower the Frederiks threshold voltage by as much as 15%. These findings underscore the potential of gold nanoparticles to enhance the performance of liquid crystal-based devices, particularly in display technology, antennas, and biosensors. Keywords: electro-optical properties liquid crystals, gold nanoparticles, dispersion of the anisotropy of the refractive index.
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