Effects of ion irradiation on the wetting properties and atomic composition of polycarbonate surface

Annick Poirier; Guy G. Ross

doi:10.1117/12.321952

17 September 1998 Effects of ion irradiation on the wetting properties and atomic composition of polycarbonate surface

Annick Poirier, Guy G. Ross

Proceedings Volume 3413, Materials Modification by Ion Irradiation; (1998) https://doi.org/10.1117/12.321952
Event: Lasers and Materials in Industry and Opto-Contact Workshop, 1998, Quebec, Canada

Abstract

The wetting property of polymers is very important in different applications such as optics, biomaterials, textiles, aerospace, and thin film adhesion. Hence the strong interest in developing new technology for modifying this property at will. Low energy ion beams can induce this modification in the first surface atomic layers. Nitrogen ions of 500 eV/at. and argon ions of 3 keV/at. under partial pressure of oxygen were used to bombard the surface of polycarbonate samples to a fluence of 5 X 10¹⁶ at/cm² and 2.1 X 10¹⁷ at./cm², respectively. After implantation, the samples were stored in two different environments over controlled intervals of time. Characterization of samples was performed by means of XPS, ERD ExB and RBS. The result show an increase of the oxygen concentration near the surface for all implanted samples. Also, desorption of hydrogen was observed after implantation of argon under a partial pressure of oxygen. These results confirm the formation of new functional groups such as C-OH for all treatments. These groups are known to enhance the wettability of the polycarbonate surface.

Citation Download Citation

Annick Poirier and Guy G. Ross "Effects of ion irradiation on the wetting properties and atomic composition of polycarbonate surface", Proc. SPIE 3413, Materials Modification by Ion Irradiation, (17 September 1998); https://doi.org/10.1117/12.321952

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