Angle dependent laser nanopatterning of poly(ethylene terephthalate) surfaces

0365913 - ÚJF 2012 RIV NL eng J - Journal Article
Slepička, P. - Chaloupka, A. - Sajdl, P. - Heitz, J. - Hnatowicz, Vladimír - Svorcik, V.
Angle dependent laser nanopatterning of poly(ethylene terephthalate) surfaces.
Applied Surface Science. Roč. 257, č. 14 (2011), s. 6021-6025. ISSN 0169-4332. E-ISSN 1873-5584
R&D Projects: GA ČR GA106/09/0125
Institutional research plan: CEZ:AV0Z10480505
Keywords : POLYMER SURFACES * THIN-FILM * RADIATION
Subject RIV: BO - Biophysics
Impact factor: 2.103, year: 2011

Interference effects can lead to the formation of ripple structures at laser-irradiated poly(ethylene terephthalate) surfaces. Poly(ethylene terephthalate) surface was irradiated with linearly polarized light of a pulsed 157 nm laser. In a certain range of irradiation parameters, the irradiation resulted in the formation of coherent ripples patterns. The dimension of the pattern depends on the angle of the laser beam incidence. The surface morphology of the nano-patterned poly(ethylene terephthalate) was analyzed by atomic force microscopy and focused ion beam-scanning electron microscopy. Oxygen concentration in the modified polymer surface was studied by angular resolved X-ray induced photo-electron spectroscopy. Gold nano-layers were consecutively sputtered onto the laser irradiated poly(ethylene terephthalate) surfaces. The morphology of the sputtered gold nano-layers was investigated with atomic force microscopy too.
Permanent Link: http://hdl.handle.net/11104/0006614