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Hydrophobicity of Highly Ordered Nanorod Polycrystalline Nickel and Silver Surfaces 预览

Hydrophobicity of Highly Ordered Nanorod Polycrystalline Nickel and Silver Surfaces
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摘要 Highly ordered nickel and silver nanorods arrays prepared by alumina template assisted electrodeposition were investigated to determine the effect of the array geometry on metal surface hydrophobicity and adhesion forces. The nanorod geometry, clustering and pinning were used to characterize surface hydrophobicity and its modulation. A contribution of metal crystallographic orientation to the surface energy was calculated. To characterize nanorod array surface properties and elucidate the source of the particle adhesion effects has been calculated. The dispersive components of surface tension?γSD?and surface polarizability ks, as surface features that markedly characterize hydrophobicity and adhesion, were calculated. The highest hydrophobicity was found for Ag nanorods with aspect ratio of 10 then Ni nanorods with aspect ratio 10. The same geometry of nanorods particles resulted in different surface hydrophobicity and it was ascribed to the orientation of Ag and Ni crystals formed on the top of nanorods. Due to high hydrophobicity nanorod array surfaces could be used as an antifouling surface in medicine to select areas on implant surface not to be colonized by cells and tissues. Highly ordered nickel and silver nanorods arrays prepared by alumina template assisted electrodeposition were investigated to determine the effect of the array geometry on metal surface hydrophobicity and adhesion forces. The nanorod geometry, clustering and pinning were used to characterize surface hydrophobicity and its modulation. A contribution of metal crystallographic orientation to the surface energy was calculated. To characterize nanorod array surface properties and elucidate the source of the particle adhesion effects has been calculated. The dispersive components of surface tension?γSD?and surface polarizability ks, as surface features that markedly characterize hydrophobicity and adhesion, were calculated. The highest hydrophobicity was found for Ag nanorods with aspect ratio of 10 then Ni nanorods with aspect ratio 10. The same geometry of nanorods particles resulted in different surface hydrophobicity and it was ascribed to the orientation of Ag and Ni crystals formed on the top of nanorods. Due to high hydrophobicity nanorod array surfaces could be used as an antifouling surface in medicine to select areas on implant surface not to be colonized by cells and tissues.
作者 Jan Macko Natália Podrojková Radim Hrdy Andrej Oriňak Renáta Oriňaková Jaromír Hubálek Jaroslav Vojtu? Zuzana Kostecká Roger M. Smith Jan Macko;Natália Podrojková;Radim Hrdy;Andrej Oriňak;Renáta Oriňaková;Jaromír Hubálek;Jaroslav Vojtu?;Zuzana Kostecká;Roger M. Smith(Department of Physical Chemistry, University of P. J. Safárik in Kosice, Kosice, Slovakia;Depatrment of Microelectronics, Brno University of Technology, Brno, Czech Republic;Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic;Department of Architectural Engineering, Institute of Architectural Engineering, Kosice, Slovakia;University of Veterinary Medicine and Pharmacy, Kosice, Slovakia;Department of Chemistry, Loughborough University, Loughborough, UK)
出处 《矿物质和材料特性和工程(英文)》 2019年第5期279-293,共15页 Journal of Minerals and Materials Characterization and Engineering
关键词 NANORODS Silver NICKEL HYDROPHOBICITY Surface Energy CRYSTALLINITY Nanorods Silver Nickel Hydrophobicity Surface Energy Crystallinity
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