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    Plasma Deposition of PEO-Like Coatings with Aerosol-Assisted Dielectric Barrier Discharges

    Year: 2012

    Journal: Plasma process and polymers, 2012, 9 (11-12) pp 1176-1183, 20130115

    Authors: Gabriella Da Ponte, Eloisa Sardella, Fiorenza Fanelli, Riccardo d'Agostino, Roberto Gristina, Pietro Favia

    Organizations: Department of Chemistry, University of Bari, Via Orabona 4, 70126, Bari, Italy, Institute of Inorganic Methodologies and Plasma, IMIP-CNR, Via Orabona 4, 70126, Bari, Italy, Department of Chemistry, University of Bari, Via Orabona 4, 70126, Bari, Italy2Institute of Inorganic Methodologies and Plasma, IMIP-CNR, Via Orabona 4, 70126, Bari, Italy

    In this paper, we describe the deposition of PEO-like coatings using dielectric barrier discharges (DBDs) fed with aerosols of the TEGDME organic precursor in helium. By properly tuning plasma parameters such as aerosol/carrier flow ratio, frequency of the electric field applied and input power, the deposition process could be modulated to obtain coatings with variable PEO character, from 50% (cell adhesive) to 70% (nonfouling), which are interesting for surface modification of biomaterials and biomedical devices.