Chemical surface composition of the polyethylene implanted by Ag+ ions studied by phase imaging atomic force microscopy
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High density polyethylene (HDPE) has been modified by Ag+ ion implantation with the energy of 60 keV. The total amount of implanted silver ions was 1, 5 and 12 x 10(15) ions/cm(2). The surface topography was observed by atomic forcemicroscopy (AFM), while the surface composition changes were detected using phase imaging AFM. Surface topography changes were studied in detail using 3D surface parameters analyses. The average roughness decreased for the implanted HDPE indicating the flattening of the surface. Phase AFM images indicated the homogenization of the polyethylene during ion implantation, while histogram analyses confirmed the change in surface composition.
Keywords:Polyethylene / Silver / Ion implantation / Surface composition / AFM
Source:Applied Surface Science, 2010, 256, 12, 3895-3899
- Elsevier Science Bv, Amsterdam