Abstract
The optical properties and electro-hydrodynamics (EHD) patterns of 4-methoxybenzylidene-4-butylaniline (MBBA) which is parallel oriented by nanofibers has been observed. The alignment of the liquid crystals was made using polyvinyl alcohol (PVA) nanofiber by used modified electrospinning. Electrospinning method was modified using two commercial copper (Cu) printed circuit board (PCB) as a gap collector. These planar samples area is 20 mm x 25 mm. The optical characteristic of these samples was studied by using an optical polarizing microscope. The optical intensity changes by a rotation of crossed polarizers are observed. When an electric field was applied to these samples, the electrohydrodynamic (EHD) pattern was observed. At the low till high frequency, by increasing the voltage, the patterns were formed such as Williams domain (WD), fluctuating Williams domain (FWD), grid patterns (GP) and dynamic scattering Mode (DSM).
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