Effect of ion and electron beam irradiation on surface morphology and optical properties of PVA  

作　　者：H.M.Eyssa M.Osman S.A.Kandil M.M.Abdelrahman 

机构地区：[1]Radiation Chemistry Department, National Center for Radiation Research and Technology [2]Atomic Energy Authority (second research reactor) [3]Cyclotron Project, Nuclear Research Center, Egypitation Atomic Energy Authority [4]Accelerators & Ion Sources Dept., Nuclear Research Center,Atomic Energy Authority

出　　处：《Nuclear Science and Techniques》2015年第6期74-79,共6页核技术（英文）

摘　　要：Polyvinyl alcohol(PVA) is a well-known friendly polymer for paper-making, textiles, and a variety of coatings, biomedical applications such as artificial pancreas, synthetic vitreous body, wound dressing, artificial skin,and cardiovascular device. In this paper, ion/electron beam is employed to get insight into the irradiation effect on surface morphology and optical properties of PVA polymer. UV-Vis spectra are recorded to investigate the effect of induced defects on the optical band gap and the formed carbon clusters size. Scanning electron microscopy(SEM) is used to relate and investigate surface morphology and optical properties of the target polymer with different doses(15, 30 and 60 min). Also, PVA polymer is subjected to theoretical studies by using semi-empirical PM7 quantum chemical method.Polyvinyl alcohol（PVA） is a well-known friendly polymer for paper-making, textiles, and a variety of coatings, biomedical applications such as artificial pancreas, synthetic vitreous body, wound dressing, artificial skin,and cardiovascular device. In this paper, ion/electron beam is employed to get insight into the irradiation effect on surface morphology and optical properties of PVA polymer. UV-Vis spectra are recorded to investigate the effect of induced defects on the optical band gap and the formed carbon clusters size. Scanning electron microscopy（SEM） is used to relate and investigate surface morphology and optical properties of the target polymer with different doses（15, 30 and 60 min）. Also, PVA polymer is subjected to theoretical studies by using semi-empirical PM7 quantum chemical method.

关 键 词：电子束辐照 光学性质 表面形貌 聚乙烯醇 离子 扫描电子显微镜 乙烯醇聚合物 紫外-可见光谱 

分 类 号：O632.31[理学—高分子化学]