Articles with "plasma jet" as a keyword



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Observation of 1D−1S forbidden optical emission of atomic oxygen in atmospheric‐pressure N2/O2 plasma jet

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Published in 2020 at "Contributions to Plasma Physics"

DOI: 10.1002/ctpp.202000061

Abstract: We observed green optical emission from an atmospheric‐pressure N2/O2 plasma jet. The green optical emission was composed of a line emission at λ = 557.71 ± 0.03 nm and a broadband component at 530 ≤ λ ≤ 560 nm. The line emission was… read more here.

Keywords: emission; optical emission; atmospheric pressure; plasma jet ... See more keywords
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The synthesis of C, N-codoped TiO2 hollow spheres by a dual-frequency atmospheric pressure cold plasma jet

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Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03804-1

Abstract: Titanium dioxide has been widely applied in many fields, but the photon utilization efficiency of it was low because of the wide band gap, amounting to 3.2 eV. Many studies have shown that doping TiO2… read more here.

Keywords: dual frequency; codoped tio2; microscopy; plasma jet ... See more keywords
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Numerical Study of Particle Heating in a Plasma Jet

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Published in 2017 at "Journal of Engineering Physics and Thermophysics"

DOI: 10.1007/s10891-017-1578-x

Abstract: The motion of particles axially injected into the plasma spray process has been studied using a one-dimensional model. The effect of the initial particle velocity and particle diameter on the final particle velocity and temperature… read more here.

Keywords: plasma; numerical study; plasma jet; velocity ... See more keywords
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Evaporation of Droplets in Plasma Spray–Physical Vapor Deposition Based on Energy Compensation Between Self-Cooling and Plasma Heat Transfer

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Published in 2017 at "Journal of Thermal Spray Technology"

DOI: 10.1007/s11666-017-0610-1

Abstract: In the plasma spray–physical vapor deposition process (PS-PVD), there is no obvious heating to the feedstock powders due to the free molecular flow condition of the open plasma jet. However, this is in contrast to… read more here.

Keywords: plasma; plasma jet; molten zro2; open plasma ... See more keywords
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Control of the Arc Motion in DC Plasma Spray Torch with a Cascaded Anode

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Published in 2019 at "Journal of Thermal Spray Technology"

DOI: 10.1007/s11666-019-00969-8

Abstract: Two common concerns in DC plasma torches are stability of plasma jet and anode erosion. The challenge is how to get a stable plasma jet with minimal anode erosion. This study tackles this question by… read more here.

Keywords: plasma; plasma jet; anode; torch ... See more keywords
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In-situ monitoring of etching of bovine serum albumin using low-temperature atmospheric plasma jet

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2016.09.135

Abstract: Abstract Bio-decontamination of surfaces by means of atmospheric pressure plasma is nowadays extensively studied as it represents promising alternative to commonly used sterilization/decontamination techniques. The non-equilibrium atmospheric pressure plasmas were already reported to be highly… read more here.

Keywords: plasma; temperature; plasma jet; serum albumin ... See more keywords
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In vitro characterization of two different atmospheric plasma jet chemical functionalizations of titanium surfaces

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.02.035

Abstract: Plasma surface activation and plasma polymers deposition are promising technologies capable to modulate biologically relevant surface features of biomaterials. The purpose of this study was to evaluate the biological effects of two different surface modifications,… read more here.

Keywords: plasma jet; surface; titanium; atmospheric plasma ... See more keywords
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Surface modification of epoxy resin using He/CF 4 atmospheric pressure plasma jet for flashover withstanding characteristics improvement in vacuum

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.03.278

Abstract: Abstract For enhancing the surface electric withstanding strength of insulating materials, epoxy resin (EP) samples are treated by atmospheric pressure plasma jet (APPJ) with different time interval from 0 to 300s. Helium (He) and tetrafluoromethane… read more here.

Keywords: pressure plasma; epoxy resin; plasma jet; surface ... See more keywords
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An atmospheric pressure plasma jet to tune the bioactive peptide coupling to polycaprolactone electrospun layers

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144713

Abstract: Abstract The surface chemistry of scaffolds for tissue regeneration can guide cells growth. In this study, we present a novel method to functionalize electrospun Polycaprolactone (PCL) scaffolds allowing the tuning of biomolecule superficial concentration by… read more here.

Keywords: pressure plasma; plasma; plasma jet; surface ... See more keywords
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Combined reactive plasma jet-laser etching method for technical optical glass containing metal oxides

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.149339

Abstract: Abstract The machining of optical glass materials with beam technologies enables novel fabrication processes for innovative optical elements with freeform surfaces. However, the complex material composition of optical glass such as N-BK7® is challenging for… read more here.

Keywords: laser; plasma jet; glass; optical glass ... See more keywords
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Polymerdimethylsiloxane surface treatment with an atmospheric pressure helium plasma jet driven by unipolar nanosecond pulses

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Published in 2021 at "Current Applied Physics"

DOI: 10.1016/j.cap.2021.05.008

Abstract: Abstract A nanosecond-pulse power source transfers energy to electrons of atmospheric pressure discharges in a nanosecond-scale rising time and shows different plasma chemistry than a slowly varying sinusoidal discharge. We report how the operation parameters,… read more here.

Keywords: nanosecond; plasma jet; atmospheric pressure;