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Search results for: sulfur oxides
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XPS measurement of the Fe-Ti based materials
Open Research DataThe mono‐ and bimetal‐modified (Pd, Cu) titanium(IV) oxide and iron oxide (III) photocatalysts were prepared by chemical reduction method and characterized using XPS method. The composition of elements incorporated in the surface layer of mono- and bimetallic photocatalysts was determined by XPS analysis, as well as the valence state of elements. Measurements...
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X-ray diffraction (XRD) of pristine bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research DataData contain results from X-ray diffraction (XRD) measurements of pristine Bi2O3 and Gd2O3 structures using Aeris diffractometer (Malvern Panalytical, Malvern, UK) with Cu-Kα radiation (λ = 1.544 Å)
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BET specific surface area measurements of bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research DataThe BET specific surface area was measured using an N2 adsorption/desorption isotherm (Micromeritics ASAP 2460, Norcross, GA, USA).
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The AFM micrographs of vanadium oxides thin films obtained at 800°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on a silicon substrate and vanadium thin films were obtained by annealing as-prepared films at...
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The AFM micrographs of vanadium oxides thin films obtained at 1200°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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The AFM micrographs of vanadium oxides thin films obtained at 400°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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The AFM micrographs of vanadium oxides thin films obtained at 600°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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The AFM micrographs of of vanadium oxides thin films obtained at 300°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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Electrical properties of silicate-lead glasses containing nanostructures of iron oxides.
Open Research DataElectrical properties of silicate-lead glasses doped with different content of iron oxide was studied. The set of glass samples were prepared with the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in...
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The AFM micrographs of vanadium oxides thin films obtained at 150°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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The AFM micrographs of vanadium oxides thin films obtained at 200°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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The AFM micrographs of vanadium oxides thin films obtained at 450°C
Open Research DataThe DataSet contains the atomic force microscope images of the surface of vanadium oxide thin films. The thin films were obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The sol was deposited on quartz glass and silicon substrate and vanadium thin films were obtained by annealing as-prepared...
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Optimization of Trans-esterification Process and Characterization of Biodiesel from Soapstock Using Silica Sulfuric Acid as a Heterogeneous Solid Acid Catalyst
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Effect of Some Sulphur Additives on The Degradation of 9Cr-1Mo Steel After Its 10 Years Service in The CCR Platforming Unit
PublicationThe work shows the results of the tests of 9Cr-1Mo steel, which was for 10 years operated in the CCR platforming unit in Group Lotos SA in Gdańsk, and then in the laboratory was sulphidised during 166 h at a temperature of 600 °C. Sulphidation was performed in a mixture of H2-H2S gases at the vapour pressure of sulphur 4.1·10-14 atm, so the order of magnitude of vapour pressure was less than that of the dissociation pressure of...
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Functionalization of the transition metal oxides FeO, CoO, and NiO with alkali metal atoms decreases their ionization potentials by 3–5 eV
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Study on the flammability, thermal stability and diffusivity of polyethylene nanocomposites containing few layered tungsten disulfide (WS2) functionalized with metal oxides
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Hydrogen Embrittlement and Oxide Layer E ect in the Cathodically Charged Zircaloy-2
PublicationThe present paper is aimed at determining the less investigated effects of hydrogen uptake on the microstructure and the mechanical behavior of the oxidized Zircaloy-2 alloy. The specimens were oxidized and charged with hydrogen. The different oxidation temperatures and cathodic current densities were applied. The scanning electron microscopy, X-ray electron diffraction spectroscopy, hydrogen absorption assessment, tensile, and...
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Shape Memory Polyurethane Materials Containing Ferromagnetic Iron Oxide and Graphene Nanoplatelets
PublicationIntelligent materials, such as memory shape polymers, have attracted considerable attention due to wide range of possible applications. Currently, intensive research is underway, in matters of obtaining memory shape materials that can be actuated via inductive methods, for example with help of magnetic field. In this work, an attempt was made to develop a new polymer composite—polyurethane modified with graphene nanoplates and...
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Flexural behavior of composite structural insulated panels with magnesium oxide board facings
PublicationThe current report is devoted to the flexural analysis of a composite structural insulated panel (CSIP) with magnesium oxide board facings and expanded polystyrene (EPS) core, that was recently introduced to the building industry. An advanced nonlinear FE model was created in the ABAQUS environment, able to simulate the CSIP’s flexural behavior in great detail. An original custom code procedure was developed, which allowed to include...
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Evaluation of the effect of ruthenium oxide on the properties of composite electrodes used in cathodic protection
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Influence of modification by superdispersed powder of aluminum oxide on lead-tin bronze structure
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Injectable poloxamer/graphene oxide hydrogels with well‐controlled mechanical and rheological properties
PublicationAlthough significant progress has been made in the design and application of injectable hydrogels for biomedical applications, concurrent control of rheological and mechanical properties of injectable hydrogels has remained as an open challenge to the researchers. In this work, we introduce and put into practice a photo‐curable poloxamer (also known as Pluronic)/graphene oxide (Plu/GO) injectable hydrogel with well‐controlled rheological...
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Fabrication of anti-corrosion nitrogen doped graphene oxide coatings by electrophoretic deposition
PublicationThis work assesses anti-corrosion properties of graphene and N-doped graphene coatings deposited on copper by an electrophoretic method. Graphene oxide (GO) precursor was synthesized by an improved Hummers' method, whereas N-doping was performed hydrothermally in the presence of ammonia. After nitrogenation, doped graphene oxide samples (NGO) contained a reduced amount of oxygen and about 9% w/w nitrogen as pyridinic, pyrrole,...
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Spray pyrolysis of doped-ceria barrier layers for solid oxide fuel cells
PublicationGadolinium doped ceria (Ce0.8Gd0.2O2 − x-CGO) layer fabricated by spray pyrolysis is investigated as the diffusion barrier for solid oxide fuel cell. It is deposited between the La0.6Sr0.4FeO3 − δ cathode and the yttria stabilized zirconia electrolyte to mitigate harmful interdiffusion of elements. The parameters of the fabrication process are linked to the measured area specific resistances of the symmetrical cells and the efficiency...
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Phage-Directed Synthesis of Photoluminescent Zinc Oxide Nanoparticles under Benign Conditions
PublicationBiological systems, especially bacteriophages and peptides, are an attractive green alternative to other known methods of nanoparticle synthesis. In this work, for the first time, bacteriophages were employed to synthesize a specific peptide, capable of producing nanoparticles (NPs). Derivatives of M13 bacteriophage exposing a ZnO-binding peptide (TMGA-LGLKWPV) on either pIII or pVIII phage coat protein were constructed and used...
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Fabrication of anti-corrosion nitrogen doped graphene oxide coatings by electrophoretic deposition
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Exhaled nitric oxide in smokers and former smokers with chronic obstructive pulmonary disease
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Neuronal Nitric Oxide Synthase Induction in the Antitumorigenic and Neurotoxic Effects of 2-Methoxyestradiol
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Synthesis and antimicrobial and nitric oxide synthase inhibitory activities of novel isothiourea derivatives
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Actions of a nitric oxide donor on prostaglandin production and angiogenic activity in the equine endometrium
PublicationNitric oxide (NO) plays an important role in prostaglandin secretion and angiogenesis in the reproductive system. In the present study, the roles of the NO donor spermine NONOate and tumour necrosis factor-alpha (TNF; as a positive control) in prostaglandin production and angiogenic activity of equine endometria during the oestrous cycle were evaluated. In addition, the correlation between NO production...
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Novel Photocatalytic Nanocomposite Made of Polymeric Carbon Nitride and Metal Oxide Nanoparticles
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Significance of polymethylmethacrylate (PMMA) modification by zinc oxide nanoparticles for fungal biofilm formation
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Zinc oxide nanoparticles toxicity toDaphnia magna: size-dependent effects and dissolution
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A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies
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Comparison of the Toxicity of Pristine Graphene and Graphene Oxide, Using Four Biological Models
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Recent Advances in Graphene Oxide-Based Membranes for Heavy Metal Ions Separation
PublicationGraphene oxide (GO)-based membranes have been widely investigated for separation of dyes, salt ions, heavy metal ions, and biomolecules due to their high mechanical strength, single-layered structure, large surface area, and high affinity. However, due to irregular pore structure, nanochannels, interlayer distance, easy functionalization, swelling effect, and chemical stability under aqueous environment limited their separation...
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Cyanido-Bridged Clusters with Remote N-Oxide Groups for Branched Multimetallic Systems
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Tuning of the Titanium Oxide Surface to Control Magnetic Properties of Thin Iron Films
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Influence of Magnesium Oxide on the Structure and Catalytic Activity of the Wustite Catalyst for Ammonia Synthesis
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Reduction Process of Iron Catalyst Precursors for Ammonia Synthesis Doped with Lithium Oxide
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Optically poled SHG and THG effects in cesium doped zinc oxide nanorods
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High temperature oxidation of porous alloys for solid oxide fuel cell applications
PublicationW pracy proszki PI600, 317L i 430L stali użyto do przygotowania porowatych metalowych podłoży dla tlenkowych ogniw paliwowych. Po spiekaniu w różnych temperaturach oceniana była ich porowatość i wysokotemperaturową odporność na korozję. Cykliczna analiza termograwimetryczna, dyfraktometria rentgenowska i obrazów SEM były używane do opisu właściwości tych porowatych stopów. Właściwości elektryczne badano dla wybranych próbek. Wpływ...
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Composite materials for Solid Oxide Fuel Cells - various ways of preparation and application
PublicationWykonano przeglad mozliwosci zastosowania materialow kompozytowych w wysokotemperaturowych tlenkowych ogniwach paliwowych oraz scharakeryzowano najbardziej popularne metody wytwarzania i nakladania tego typu materialow.
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The outline of percolation theory in reference to Solid Oxide Fuel Cell composite anodes
PublicationPrzedstawiono podstawy teoretyczne dotyczące zjawiska perkolacji w układach nieuporządkowanych. Zaprezentowano obecny stan wiedzy na temat wykorzystania teorii perkolacji w materiałach elektrodowych dla tlenkowych ogniw paliwowych.
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Mixed electronic-ionic conductivity in vanadate oxide glasses containing alkaline ions
PublicationZbadano mieszane przewodnictwo polaronowo-jonowe w szkłach wanadanowych zawierających jony metali alkalicznych.
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Evaluation of La0.3Sr0.7Ti1−xCoxO3 as a potential cathode material for solid oxide fuel cells
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Efficient and Economically Favorable Co-Free Air Electrodes for Solid Oxide Cells
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Single chamber solid oxide fuel cell - current stage of development and prospects
PublicationOgniwa paliwowe należą do jednego z najbardziej wydatnych żródeł energii. W konwencjonalnych ogniwach paliwo i powietrze są dostarczane do ogniwa oddzielnie. Jednokomorowych ogniwo dziala zasilane mieszanina paliwa i powietrza. W pracy przedstawiono obecny stan i perspektywy dlaszego rozwoju jednokomorowych tlenkowych ogniw paliwowych.
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TiO2 and Reducing Gas: Intricate Relationships to Direct Reduction of Iron Oxide Pellets
PublicationIn response to the imperative for sustainable iron production with reduced CO2 emissions, this study delves into the intricate role of TiO2 in the direct reduction of iron oxide pellets. The TiO2-dependent reducibility of iron oxide pellets utilizing H2 and CO gas across varied temperatures and gas compositions is thoroughly investigated. Our findings unveil the nuanced nature of the TiO2 effect, underscored by its concentration-dependent...
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Tin Oxide Encapsulated into Pyrolyzed Chitosan as a Negative Electrode for Lithium Ion Batteries
PublicationTin oxide is one of the most promising electrode materials as a negative electrode for lithium-ion batteries due to its higher theoretical specific capacity than graphite. However, it suffers lack of stability due to volume changes and low electrical conductivity while cycling. To overcome these issues, a new composite consisting of SnO2 and carbonaceous matrix was fabricated. Naturally abundant and renewable chitosan was chosen...