Physical and biological properties of the ion beam irradiated PMMA-based composite films》.pdfVIP

Applied Surface Science 329 (2015) 116–126 Contents lists available at ScienceDirect Applied Surface Science j o u rn al h o m e p a g e : w w w. elsev /locate/aps usc Physical and biological properties of the ion beam irradiated PMMA-based composite films G.M. Shanthini a , Catherine Ann Martin a , N. Sakthivel a , Sarath Chandra Veerla a , K. Elayaraja a , B.S. Lakshmi b , K. Asokan c , D. Kanjilal c , S. Narayana Kalkura a,∗ a Crystal Growth Centre, Anna University, Chennai 600025, India b Department of Biotechnology, Anna University, Chennai 600025, India c Materials Science Group, Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India a r t i c l e i n f o a b s t r a c t Article history: Polymethyl methacrylate (PMMA) and PMMA-hydroxyapatite (PMMA-HAp) composite films, prepared Received 1 September 2014 by the solvent evaporation method were irradiated with 100 MeV Si7+ ions. Crystallographic, morpho- Received in revised form logical and the functional groups of the pristine and irradiated samples were studied using glancing 16 December 2014 incident X-ray diffraction (GIXRD), scanning electron microscopy (SEM) and Fourier transform infrared Accepted 18 December 2014 Available online 26 December 2014 spectroscopy-attenuated total reflectance (FTIR-ATR) respectively. SEM reveals the creation of pores, along with an increase in porosity and cluster size on irradiation. Decrease in crystalline na