Abstract
Films of pure Poly (methyl methacrylate) (PMMA) doped by potassium iodide (KI) salt with percentages (1%) at different thickness prepared by casting method at room temperature. In order to study the effect of increasing thickness on optical properties, transmission and absorption spectra have been record for five different thicknesses(80,140,210,250,320)µm. The study has been extended to include the changes in the band gap energies, refractive index, extinction coefficient and absorption coefficient with thickness.
Highlights
Polymeric materials have used extensively in glazing attracted the scientific and applications
It is well known that the relationship between the absorption coefficient (α) and the optical band gap (Eg), obeys the classical Tauc’s expression
Material and Methods : In the present research work, casting method has been adopted to prepare films of pure Poly (PMMA) doped by KI salt with percentage (1%) at different thickness
Summary
Polymeric materials have used extensively in glazing attracted the scientific and applications. PMMA is one of the earliest and (transmission and absorption indices) best known polymers. PMMA was seen as a replacement for glass in a variety of applications and is currently of pure and doped polymers. The optical properties of PMMA polymers doped by Potassium Iodide with different thickness have been studied.
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