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Article
Critical Considerations in Power Measurements for the Precise Estimation of Energy Costs in Plasma NOx Synthesis
The great advantage of plasma technology in harnessing abundant clean energy for electrifying and decentralizing the chemical industry holds the promise of attaining carbon neutrality. Therefore, recent resear...
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Article
Plasma Catalysis for Environmental Treatment and Energy Applications
The current status of plasma-catalysis research and the associated possible applications are outlined. A basic explanation of plasma chemistry is given, which is then used as a foundation to indicate the resea...
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Article
Influence of water conductivity on particular electrospray modes with dc corona discharge — optical visualization approach
The effect of water conductivity on electrospraying of water was studied in combination with positive DC corona discharge generated in air. We used a point-to-plane geometry of electrodes with a hollow syringe...
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Article
Open AccessPhysical properties and biological/odontogenic effects of an experimentally developed fast-setting α-tricalcium phosphate-based pulp cap** material
Recently, fast-setting α-tricalcium-phosphate (TCP) cement was developed for use in the pulp cap** process. The aim of this study was to investigate the physical properties and biological effects of α-TCP ce...
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Article
Open AccessStudy of Plasma-Induced Surface Active Oxygen on Zeolite-Supported Silver Nanoparticles
Surface oxygen induced by non-thermal plasma at atmospheric pressure on silver nanoparticle-loaded zeolite was determined by a chemical probe based on the oxidation of NO. The amount of active oxygen fixed ont...
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Article
Ozone-Assisted Catalysis of Toluene with Layered ZSM-5 and Ag/ZSM-5 Zeolites
This paper presents a new type of ozone-assisted catalysis for toluene decomposition. The different catalytic activities of ZSM-5 and Ag/ZSM-5 were incorporated into a layered catalyst with a tandem configurat...
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Article
Oxygen Isotope (18O2) Evidence on the Role of Oxygen in the Plasma-Driven Catalysis of VOC Oxidation
This paper reports isotopic evidence on nonthermal plasma-induced fixation of gas-phase oxygen on the surface of several catalysts such as TiO2, Ag/TiO2, Ag/γ-Al2O3 and Ag/MS-13X at atmospheric-pressure. On-line ...
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Article
Performance of an Ozone Decomposition Catalyst in Hybrid Plasma Reactors for Volatile Organic Compound Removal
In order to enhance the energy efficiency of nonthermal plasma methods for volatile organic compound decomposition in a catalyst-hybrid plasma reactor, we used a Cu–Cr catalyst to dissociate ozone into active ...
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Article
Effect of zeolite in surface discharge plasma on the decomposition of toluene
Toluene was decomposed in a surface discharge plasma reactor packed with various zeolites. The positioning effect of the zeolite bed was also investigated Reactor-B, in which the zeolite bed was located upstre...
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Article
Decomposition of Benzene Using Ag/TiO2 Packed Plasma-Driven Catalyst Reactor: Influence of Electrode Configuration and Ag-Loading Amount
This paper describes the effects of electrode configuration and the loading amount of Ag catalyst on the decomposition of gas-phase benzene using plasma-driven catalyst (PDC) reactors. Modification of ground e...
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Article
Rocking-Angle Ion-Milling of Cross-Sectional Samples for Transmission Electron Microscopy of Multi-Layer Systems
The cross-sectional transmission electron microscopy (TEM) specimens of Pt/Ti/SiO2/Si, RuO2/SiO2/Si, W/TiN/SiO2/Si, (Pb,La)TiO3/Pt/MgO, Bi4Ti3O12/Lal-xCaxMnO3/MgO, and GaN/Al2O3 were successfully made by the rock...
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Article
Microstructural Characterization of Pt/Ti and RuO2 Electrodes on SiO2/Si Annealed in the Oxygen Ambient
Microstructures and interdiffusions of Pt/Ti/SiO2/Si and RuO2/SiO2/Si during annealing in O2 were investigated using x-ray diffraction, Auger electron spectroscopy, scanning electron microscopy, and transmission ...
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Article
Microstructures and electrical resistivities of the RuO2 electrode on SiO2/Si annealed in the oxygen ambient
The electrical resistivity property of RuO2 thin films grown on the SiO2/Si substrate by reactive dc sputtering was examined in terms of microstructure using x-ray diffraction and cross-sectional transmission ele...