Abstract
The Bayfol UV1 7-2 is a set of polymeric solid-state nuclear track detectors with several applications in radiation detection fields. Samples from Bayfol film have been exposed to infrared pulsated laser with different fluences (10–115 J/cm2). The outcome of laser irradiation on the structural and optical properties of the Bayfol samples has been studied using X-ray diffraction and UV spectroscopy. Various optical parameters, such as the optical energy gap, Urbach energy, refractive index, optical dielectric constant, tristimulus values, chromaticity coordinates, color intercepts and color intensity, have been calculated and discussed as a function of laser fluences. The optical energy gap decreased by increasing the laser fluence up to 115 J/cm2 and an increase in the Urbach energy. This could be due to the domination of crosslinking that destroys the ordered structure. Furthermore, the non-irradiated Bayfol is nearly colorless. It displays a significant color difference by laser irradiation.
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Notes on contributors
S.A. Nouh
Prof S.A. Nouh is a Prof of radiation physics since 2005, Physics department, Faculty of science, Ain Shams University, Cairo, Egypt. The head of radiation physics unit that deals with the modification of the physical properties of polymer and polymer nanocomposite materials, improving its performance in dosimetery and industrial fields. Member in the Egyptian Universities promotion Committees up to 2015. Honoring by the Egyptian prime ministers, 1992 & 2002, as an excellent researcher.
Saad Aldawood
Dr Saad Aldawood is an Associate professor, College of Science, King Saud University, The field of research is the radiation effects on nanomaterials for the application in industry.
M.M.E. Barakat
Dr M.M.E. Barakat is an Assistant Professor in Physics Department, Faculty of Science, Alexandria University, Alexandria, Egypt. PhD in physics from Alexandria University, 2012. She is interested in research in the field of superconductivity and nanostructures.
M.J. Tommalieh
Dr M.J. Tommalieh is an Associate professor, College of Science, Taibah University. The field of research is the radiation effects on polymer and polymer nanocomposites for the application in industry.
Radiyah A. Bahareth
Dr Radiyah A. Bahareth is an Associate professor, College of Science, Jeddah University, Jeddah, Saudi Arabia. PhD in physics, 2004. Associate professor 2015, from physics department, Girls College of Education, King Abdel Aziz University, Jeddah, Saudi Arabia. The field of research is the radiation effects on polymer and polymer nanocomposites for the application in industry.