Comparison of the surface properties of DLC and ultrananocrystalline diamond films with respect to their bio-applications

Two types of carbon‐based films, namely diamond‐like carbon (DLC) and ultrananocrystalline diamond (UNCD) films were comparatively investigated. The DLC films were prepared by pulsed laser deposition (PLD) without or with additional ion bombardment, the UNCD films by microwave plasma enhanced chemic...

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Veröffentlicht in:	Physica status solidi. A, Applications and materials science Applications and materials science, 2013-10, Vol.210 (10), p.2106-2110
Hauptverfasser:	Jelinek, Miroslav, Voss, Alexandra, Kocourek, Tomáš, Mozafari, Mahsa, Vymětalová, Veronika, Zezulová, Marketa, Písařík, Petr, Kotzianová, Adéla, Popov, Cyril, Mikšovský, Jan
Format:	Artikel
Sprache:	eng
Schlagworte:	antibacterial tests Bacteria Carbon Contact angle diamond-like carbon Diamond-like carbon films Ion bombardment Plasma Spectrum analysis Surface energy surface properties ultrananocrystalline diamond films Wettability X-ray photoelectron spectroscopy
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Zusammenfassung:	Two types of carbon‐based films, namely diamond‐like carbon (DLC) and ultrananocrystalline diamond (UNCD) films were comparatively investigated. The DLC films were prepared by pulsed laser deposition (PLD) without or with additional ion bombardment, the UNCD films by microwave plasma enhanced chemical vapour deposition. The films were characterized with respect to their topography and morphology (AFM, SEM) and bonding structure, e.g. fractions of sp3 and sp2 carbon atoms (XPS, FTIR and Raman spectroscopy). Finally, the wettability and the surface energies of both types of films were investigated with contact angle measurements as well as the antibacterial properties with two types of bacteria.
ISSN:	1862-6300 1862-6319
DOI:	10.1002/pssa.201228713