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Št. zadetkov: 25
Radiofrequency induced plasma in large-scale plasma reactor
Rok Zaplotnik, Alenka Vesel
Izvirni znanstveni članek
Oznake: radiofrequency discharge;gaseous plasma;large plasma reactor;matching network;
In this contribution we describe the characteristics of an electrical discharge in rarified gas created by dual-excitation coil. By using two parallel and overlapping excitation coils we can achieve a better transfer of the electromagnetic power from the radiofrequency (RF) generator to gaseous plas ...
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Razelektritveni parametri pri prehodu iz E- v H-način v kisikovi plazmi
Rok Zaplotnik, Alenka Vesel, Miran Mozetič
Izvirni znanstveni članek
Oznake:
Leto: 2010 Vir: dLib.si Digitalna knjižnica Slovenije
Karakterizacija plazme SO spodaj 2 in SO spodaj 2/O spodaj 2
Lovro Gorjan, Alenka Vesel, Rok Zaplotnik
Izvirni znanstveni članek
Oznake: fizika plazme;obdelava materiala;plazma;plazma SO2
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Advanced method for efficient functionalization of polymers by intermediate free-radical formation with vacuum-ultraviolet radiation and producing superhydrophilic surfaces
Alenka Vesel, Rok Zaplotnik, Miran Mozetič, Nina Recek
Izvirni znanstveni članek
Oznake: plasma treatment;vacuum-ultraviolet radiation treatment;surface functionalization;polymer polyvinyl chloride;vacuum-ultraviolet spectroscopy;vacuum-ultraviolet photons;
An efficient approach for tailoring surface properties of polymers is presented, which enables rapid modification leading to superhydrophilic properties. The approach is based on vacuum-ultraviolet radiation (VUV) pretreatment of the surface to create reactive dangling bonds. This step is followed b ...
Leto: 2023 Vir: Institut Jožef Stefan (IJS)
Simuliranje nizkotlačne plazme z metodo končnih elementov
Jure Mihelčič Žnidaršič, Tadej Kanduč, Rok Zaplotnik
Diplomsko delo
Oznake: nizkotlačna plazma;modeliranje plazme;metoda končnih elementov;COMSOL Multiphysics;interdisciplinarni študij;univerzitetni študij;diplomske naloge;
Raziskovalci so na področju nizkotlačne plazemske tehnologije v zadnjih desetletjih uspešno razvili rešitve za mnoge probleme v industriji, agronomiji in biomedicini. Ker je pri dani plazmi možnih interakcij delcev veliko, je težko vnaprej natančno predvideti, kako se bo obnašala določena reaktorska ...
Leto: 2023 Vir: Fakulteta za računalništvo in informatiko (UL FRI)
Evolution of surface functional groups and aromatic ring degradation upon treatment of polystyrene with hydroxyl radicals
Alenka Vesel, Rok Zaplotnik, Gregor Primc, Miran Mozetič
Izvirni znanstveni članek
Oznake: polistiren;kinetika površinske funkcionalizacije;OH radikali;vpliv doze radikalov;časovni razvoj;polystyrene;surface functionalisation kinetics;OH radicals;
The surface properties of hydrocarbon polymers are inadequate for numerous applications. Hence, they require alteration via functionalisation with desired functional groups. Hydroxyl groups are often preferred, since they enable appropriate polarity for the irreversible grafting of desired molecules ...
Leto: 2023 Vir: Institut Jožef Stefan (IJS)
Kinetics of surface wettability of aromatic polymers (PET, PS, PEEK, and PPS) upon treatment with neutral oxygen atoms from non-equilibrium oxygen plasma
Alenka Vesel, Rok Zaplotnik, Gregor Primc, Miran Mozetič
Izvirni znanstveni članek
Oznake: polimeri;prevleke;tanke plasti;
The wettability of polymers is usually inadequate to ensure the appropriate spreading of polar liquids and thus enable the required adhesion of coatings. A standard ecologically benign method for increasing the polymer wettability is a brief treatment with a non-equilibrium plasma rich in reactive o ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Modification of PET-polymer surface by nitrogen plasma
Rok Zaplotnik, Metod Kolar, Aleš Doliška, Karin Stana-Kleinschek
Izvirni znanstveni članek
Oznake: poly(ethylene terephthalate);nitrogen plasma;surface modification;functional groups;X-ray photoelectron spectroscopy;
Low pressure weakly nitrogen plasma was applied for incorporation of nitrogen-containing functional groups onto poly(ethylene terephthalate) - PET polymer. Nitrogen plasma was created in an electrode-less radiofrequency discharge at the nominal power of 200 W and the frequency of 27.12 MHz. Nitrogen ...
Leto: 2011 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Effects of hydrogen dissociation during gas flooding on formation of metal hydride cluster ions in secondary ion mass spectrometry
Jernej Ekar, Sabina Markelj, Miran Mozetič, Rok Zaplotnik, Janez Kovač
Izvirni znanstveni članek
Oznake: hydrogen atmosphere;molecule dissociation;gas flooding;cluster ions;secondary ion mass spectrometry;
The application of hydrogen flooding was recently shown to be a simple and effective approach for improved layer differentiation and interface determination during secondary ion mass spectrometry (SIMS) depth profiling of thin films, as well as an approach with potential in the field of quantitative ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Modification of surface morphology of graphite by oxygen plasma treatment
Kristina Eleršič, Ita Junkar, Martina Modic, Rok Zaplotnik, Alenka Vesel, Uroš Cvelbar
Izvirni znanstveni članek
Oznake: graphite;oxygen plasma;scanning electron microscopy;morphology;nanocones;
Samples of highly oriented pyrolitic graphite (HOPG) were exposed to fully dissociated oxygen plasma created by a radiofrequency discharge in pure oxygen. The discharge was powered with a radiofrequency generator operating at the standard industrial frequency of 13.56 MHz and the output power of 100 ...
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 25
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