Application of extremely non-equilibrium plasmas in the processing of nano and biomedical materials

Miran Mozetič, Gregor Primc, Alenka Vesel, Rok Zaplotnik, Martina Modic, Ita Junkar, Nina Recek, Marta Klanjšek-Gunde, Lukus Guhy, Mahendra K. Sunkara, Maria C. Assensio, Slobodan Milošević, Marian Lehocky, Vladimir Sedlarik, Marija Gorjanc, Kinga Kutasi, Karin Stana-Kleinschek

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Some applications of extremely non-equilibrium oxygen plasma for tailoring the surface properties of organic as well as inorganic materials are presented. Plasma of low or moderate ionization fraction and very high dissociation fraction is created by high frequency electrodeless discharges created in chambers made from a material of low recombination coefficient. The O atom density often exceeds 1021m-3 which allows for rapid functionalization of carbon-containing materials. Surface saturation with polar oxygen-rich groups is achieved in a fraction of a second and further exposure leads to etching. The etching is often non-uniform and results in nano-structuring of surface morphology. A combination of rich morphology and saturation with polar functional groups allows for a super-hydrophilic character of originally hydrophobic materials. Polymer composites are etched selectively so the polymer component is removed from the sample surface, leading to modified surface properties. Furthermore, such a treatment allows for distinguishing the distribution and orientation of fillers inside the polymer matrix. The exposure of inorganic materials to non-equilibrium oxygen plasma causes one-dimensional growth of metal oxide nanoparticles, thus representing a unique technique for the rapid catalyser-free growth of nanowires.

Original languageEnglish
Article number015026
JournalPlasma Sources Science and Technology
Volume24
Issue number1
DOIs
Publication statusPublished - Feb 1 2015

Fingerprint

nonequilibrium plasmas
inorganic materials
oxygen plasma
surface properties
polymers
electrodeless discharges
etching
saturation
recombination coefficient
organic materials
fillers
metal oxides
nanowires
chambers
dissociation
ionization
nanoparticles
composite materials
causes
carbon

Keywords

  • composite
  • nanospikes
  • nanowires
  • O atom density
  • oxygen plasma
  • polymer

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Mozetič, M., Primc, G., Vesel, A., Zaplotnik, R., Modic, M., Junkar, I., ... Stana-Kleinschek, K. (2015). Application of extremely non-equilibrium plasmas in the processing of nano and biomedical materials. Plasma Sources Science and Technology, 24(1), [015026]. https://doi.org/10.1088/0963-0252/24/1/015026

Application of extremely non-equilibrium plasmas in the processing of nano and biomedical materials. / Mozetič, Miran; Primc, Gregor; Vesel, Alenka; Zaplotnik, Rok; Modic, Martina; Junkar, Ita; Recek, Nina; Klanjšek-Gunde, Marta; Guhy, Lukus; Sunkara, Mahendra K.; Assensio, Maria C.; Milošević, Slobodan; Lehocky, Marian; Sedlarik, Vladimir; Gorjanc, Marija; Kutasi, Kinga; Stana-Kleinschek, Karin.

In: Plasma Sources Science and Technology, Vol. 24, No. 1, 015026, 01.02.2015.

Research output: Contribution to journalArticle

Mozetič, M, Primc, G, Vesel, A, Zaplotnik, R, Modic, M, Junkar, I, Recek, N, Klanjšek-Gunde, M, Guhy, L, Sunkara, MK, Assensio, MC, Milošević, S, Lehocky, M, Sedlarik, V, Gorjanc, M, Kutasi, K & Stana-Kleinschek, K 2015, 'Application of extremely non-equilibrium plasmas in the processing of nano and biomedical materials', Plasma Sources Science and Technology, vol. 24, no. 1, 015026. https://doi.org/10.1088/0963-0252/24/1/015026
Mozetič, Miran ; Primc, Gregor ; Vesel, Alenka ; Zaplotnik, Rok ; Modic, Martina ; Junkar, Ita ; Recek, Nina ; Klanjšek-Gunde, Marta ; Guhy, Lukus ; Sunkara, Mahendra K. ; Assensio, Maria C. ; Milošević, Slobodan ; Lehocky, Marian ; Sedlarik, Vladimir ; Gorjanc, Marija ; Kutasi, Kinga ; Stana-Kleinschek, Karin. / Application of extremely non-equilibrium plasmas in the processing of nano and biomedical materials. In: Plasma Sources Science and Technology. 2015 ; Vol. 24, No. 1.
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