- All Journals
- Al-Qadisiyah University
- Basrah University
- Kirkuk University
- Mosul University
- The Iraqi Borad for Medical Specialization
- University of Anbar
- University of Technology
- Al Mustafa University
- Al-Zahraa University for Women
- Alnoor University
- Kunooz University
- Misan University
- Ninevah University
- Tikrit University
- University of Al-Hamdaniya
- University of Kerbala
Study Optical Properties of (GA) Polysaccharide/Polyvinyl alcohol thin films | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 20, Issue 4, 2015, Pages 120-124 | ||
| Author | ||
| Mohanad Qader Kareem | ||
| Abstract | ||
| In this research a new Thin films from mixing together natural polymer (Gum acacia) polysaccharide with artificial polymer ( polyvinyl alcohol ) have been prepared using cast method .Optical absorption spectra of these thin films have been recorded in the wavelength range (200-900)nm using UV-spectrophotometer .With thickness (3μm) the Optical band gap of the films has been calculated by using Taucs relation and variations in the values of optical band gap with the variation of concentrations in the blend films have been found from (3.75 -4.1) eV. | ||
| Keywords | ||
| Natural polymers; Optical band gap; Optical conductivity; Absorption coefficient | ||
|
Statistics Article View: 18 PDF Download: 3 |
||