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Aging of plasma-activated copper and gold surfaces and its hydrophilic recovery after water immersion

Prysiazhnyi, Vadym ; Slavicek, Pavel ; Cernak, Mirko

Thin solid films, 2014-01, Vol.550, p.373-380 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
Aging of plasma-activated copper and gold surfaces and its hydrophilic recovery after water immersion
Autor: Prysiazhnyi, Vadym ; Slavicek, Pavel ; Cernak, Mirko
Assuntos: Aging effect ; AGING MECHANISMS ; Atmospheric pressure ; Condensed matter: structure, mechanical and thermal properties ; Copper ; Cross-disciplinary physics: materials science; rheology ; Diffuse coplanar surface barrier discharge ; Electrodes ; Exact sciences and technology ; Gold ; Ion and electron beam-assisted deposition; ion plating ; Materials science ; Metal surface ; Methods of deposition of films and coatings; film growth and epitaxy ; Morphology ; Physics ; Physics of gases, plasmas and electric discharges ; Physics of plasmas and electric discharges ; Plasma applications ; Plasma treatment ; Plasma-based ion implantation and deposition ; PLASMAS ; PRESSURE ; Recovery ; Sessile drop method ; Solid-fluid interfaces ; Structure and morphology; thickness ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; Thin film structure and morphology ; Thin films ; WATER ; Wettability ; WETTING
É parte de: Thin solid films, 2014-01, Vol.550, p.373-380
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: A significant increase of surface hydrophilicity of copper and gold surfaces was obtained after atmospheric pressure plasma treatment using the surface dielectric barrier discharge with specific electrode geometry, the so-called diffuse coplanar surface barrier discharge. Surface wettability was estimated using the sessile drop method with further calculation of the surface free energy. After the plasma treatments, it was observed that the treated surfaces exhibited hydrophobic recovery (or aging effect). The aging effect was studied in different storage environments, such as air, low and high vacuum. The role of plasma and the reasons of the following aging effect are discussed with respect to the observed hydrophilic recovery after immersing the aged surfaces into deionized water. The changes in the surface morphology, composition and bond structure are presented and discussed as well. •Increased surface wettability of Cu and Au after dielectric barrier discharge plasma.•Study of aging effect of atmospheric pressure plasma-activated metals.•Aging effect of plasma-treated copper/gold is due to chemical changes.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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Aging of plasma-activated copper and gold surfaces and its hydrophilic recovery after water immersion

Prysiazhnyi, Vadym ; Slavicek, Pavel ; Cernak, Mirko

Amsterdam: Elsevier B.V

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