Ahmed N. Al-jamal, Qunoot M. Hadi, Farah J. Hamood, K. Abass
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引用次数: 4
Abstract
The Films of PVA-PEG-Sn were prepared with various particle size of Sn element (0, 10, 75 and 150 ìm) by casting method technique with thickness of 800 nm. The effect of Sn additive on structural (FT-IR, optical microscope) and optical properties of polymeric blend has been studied. Optical microscope images indicated the uniform distribution of the Sn particles in the structure of PVA-PEG-Sn films. The optical properties of PVAPEG- Sn films were calculated from recording the absorbance spectra by using spectrophotometer (UV/1800/ Shimadzu) in the wavelength range (190-1100) nm. The optical constants that calculated in this study were found out that all these constants increases with the increase of the particle size of (Sn). The optical band gap (Eg) decreased from 4.5 eV for PVA-PEG film to 4.25 eV as the 150 ìm Sn particle size in the PVA-PEG-Sn film.
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