2 May 2014 Silicon dioxide nanoporous structure with liquid crystal for optical sensors
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Abstract
It has been studied the spectral characteristics of the porous silicon dioxide and cholesteric liquid crystal. It has been shown that doping of the EE1 cholesteric liquid crystal with Fe3O4 magnetite nanoparticles doesn’t shift significantly the position of the transmittance minimum of the material. It has been found that the deformation of chiral pitch of cholesteric liquid crystal with magnetite is observed in case of doping of porous nanocomposite host with following shifting of minimum of transmittance into short wavelength direction. It has been shown that influence of carbon monoxide on optical characteristics of the cholesteric liquid crystal with magnetite can be explained by the interaction of CARBON MONOXIDE molecules with magnetite nanodopants.
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Orest Sushynskyi, Maria Vistak, Zenon Gotra, Andriy Fechan, Zinoviy Mikityuk, "Silicon dioxide nanoporous structure with liquid crystal for optical sensors", Proc. SPIE 9127, Photonic Crystal Materials and Devices XI, 91271F (2 May 2014); doi: 10.1117/12.2051742; https://doi.org/10.1117/12.2051742
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