Abstract
Polymeric nanocapsules (NCs) containing dye-doped liquid crystal (DDLC) with an average diameter of 390 nm and good stability were successfully fabricated by the emulsification solvent diffusion (ESD) method. The surface morphology and flexibility of polymeric nanoshell were investigated by the field-emission scanning electron microscopy (FE-SEM) and the core-shell structure of the obtained spherical nanocapsules was shown by transmission electron microscopy (TEM) as well. Nanoencapsulation efficiencies (NEE) of the liquid crystal and azo disperse dye were also measured separately by using a comparative all spectroscopic analysis instead of weight-based methods. Thereafter, a polymeric thin-film consist of the fabricated DDLC nanocapsules was produced and then, the polarization rotation feature and spectral response of the obtained DDLC-NCs were investigated by polarized optical microscopy (POM) and UV/Vis spectroscopy, respectively.
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