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    Study of Radio Frequency Plasma Treatment of PVDF Film Using Ar, O2 and (Ar + O2) Gases for Improved Polypyrrole Adhesion

    Year: 2013

    Journal: Materials 2013, 6, 3482-3493;, 20131119

    Authors: Akif Kaynak 1,*, Tariq Mehmood 1, Xiujuan J. Dai 2, Kevin Magniez 2 and Abbas Kouzani 1

    Organizations: 2School of Engineering, Deakin University, Geelong, Victoria 3216, Australia; E-Mails: tmeh@deakin.edu.au (T.M.); abbas.kouzani@deakin.edu.au (A.K.) Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia; E-Mails: jane.dai@deakin.edu.au (J.D.); kevin.magniez@deakin.edu.au (K.M.)

    Improvement of the binding of polypyrrole with PVDF (polyvinylidene fluoride) thin film using low pressure plasma was studied. The effects of various plasma gases i.e., Ar, O2 and Ar + O2 gases on surface roughness, surface chemistry and hydrophilicity were noted. The topographical change of the PVDF film was observed by means of scanning electron microscopy and chemical changes by X-ray photoelectron spectroscopy, with adhesion of polypyrrole (PPy) by abrasion tests and sheet resistance measurements. Results showed that the increase in roughness and surface functionalization by oxygen functional groups contributed to improved adhesion and Ar + O2 plasma gave better adhesion.