Title of article :
Influence of Thickness on Optical Properties of (PVA- CoCl2) films
Author/Authors :
Muhammad, Shawki kh. University of Thi-Qar - College of Science - Physics Department, Iraq , abdollah, Muhammad Hamid University of Diyala - College of Science - Physics Department, Iraq , abbas, Widad Hanoo AL- Mustansyriah University - College of Basic Education - Science Department, Iraq
From page :
143
To page :
146
Abstract :
(PVA- CoCl2) films with different thicknesses were prepared by casting method. The thickness of the prepared films were 15, 25, 35 and 45 μm .The optical transmission (T %) in the wavelength range 190-900 nm of films deposited was measured. The results show that The absorption coefficient α ‹104 (cm- 1) .These films show indirect allowed transitions , the optical energy gap about (4.31 eV) for (15 μm),(4.51 eV) for (25 μm) ,(4.68 eV) for (35μm) and (4.72 eV) for (45 μm). The real and imaginary part of dielectric constant calculated and correlated with thicknesses.
Journal title :
Journal of Thi-Qar Science
Journal title :
Journal of Thi-Qar Science
Record number :
2724581
Link To Document :
بازگشت