Characterization of (PVP-KCl) Composites
Abstract
The polymers have uses in many industries. The addition of electrolytes to the polymers are produced a new materials use in many applications. Hence, in this paper study the effect of potassium chloride on the optical properties of polyvinyl pyrrolidone. The potassium chloride was added to polymer with different concentrations. The samples were prepared by using casting technique. The optical properties were measured in the wavelength range (200-800) nm. The experimental results showed that the absorbance (A), absorption coefficient (?), extinction coefficient (k), refractive index (n), real and imaginary dielectric constants (?1 and ?2) of polyvinyl pyrrolidone are increasing with the increase of the potassium chloride weight percentages. The energy gap (Eg) of polyvinyl pyrrolidone decreases with the increase of the potassium chloride weight percentages.
Keyword: optical properties , potassium chloride, polyvinyl pyrrolidone.
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ISSN (Paper)2224-719X ISSN (Online)2225-0638
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