Počet záznamů: 1

Nano-structuring of PTFE surface by plasma treatment, etching, and sputtering with gold

  1. 1.
    0365419 - UJF-V 2012 RIV NL eng J - Článek v odborném periodiku
    Reznickova, A. - Kolská, Z. - Hnatowicz, Vladimír - Svorcik, V.
    Nano-structuring of PTFE surface by plasma treatment, etching, and sputtering with gold.
    Journal of Nanoparticle Research. Roč. 13, č. 7 (2011), s. 2929-2938 ISSN 1388-0764
    Grant CEP: GA ČR GA106/09/0125; GA MŠk(CZ) LC06041
    Výzkumný záměr: CEZ:AV0Z10480505
    Klíčová slova: ARGON PLASMA * POLYMER-FILMS * POLYETHYLENE * DISCHARGE * POLYETHYLENETEREPHTHALATE
    Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
    Impakt faktor: 3.287, rok: 2011

    Properties of pristine, plasma modified, and etched (by water and methanol) polytetrafluoroethylene (PTFE) were studied. Gold nanolayers sputtered on this modified PTFE have been also investigated. Contact angle, measured by goniometry, was studied as a function of plasma exposure and post-exposure aging times. Degradation of polymer chains was examined by etching of plasma modified PTFE in water or methanol. The amount of ablated and etched layer was measured by gravimetry. In the next step the pristine, plasma modified, and etched PTFE was sputtered with gold. Changes in surface morphology were observed using atomic force microscopy. Chemical structure of modified polymers was characterized by X-ray photoelectron spectroscopy (XPS). Surface chemistry of the samples was investigated by electrokinetic analysis.
    Trvalý link: http://hdl.handle.net/11104/0200664