Effect of Exposure Time on Plasma Modified Polyvinylidenefluoride-Trifluoroethylene (PVDF-TrFE) Film Surfaces

Abstract:

This study investigates the plasma surface modified spin coated PVDF-TrFE (70/30) film of 200nm thick using Atomic Force Microscopy (AFM), Water Contact Angle (WCA) and Fourier Transform Infrared Spectroscopy (FTIR). The surface of the spin coated PVDF-TrFE film were modified using 13.56 MHz rf Argon plasma. The exposure time of the charged particle on PVDF-TrFE films were varied for 1, 3, 5, 7 and 9mins. Prior to modification, the average surface roughness observed was 3.5nm. However upon modification, the surface roughness was increased to 9.5nm. The contact angle of the surface modified film was reduced from 89^° to 58^°. The increase in surface roughness and wettability of the modified film provided good biocompatibility. This finding created great interest in developing functional polymer suitable for applications in areas such are biomedical, bio-analytical assays, textile and even food industry.

• Periodical: Advanced Materials Research (Volume 895)
• Pages: 138-141
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.895.138
• Online since: February 2014
• Authors: Muhamad Naiman Sarip*, Rozana Mohd Dahan, Seong Ling Yap, Mohamad Hafiz Mohd Wahid, Adillah Nurashikin Arshad, Dzaraini Kamarun
• Keywords: Plasma Surface Modification, PVDF-TrFE, Water Contact Angle, Wettability

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