Search results for: REDUCED GRAPHENE OXIDE

Search results for: REDUCED GRAPHENE OXIDE

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X-ray diffraction (XRD) of silica-coated bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research Data
open access
Data 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)
Particle size distribution (laser granulometry) of pristine bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research Data
open access
- P. Sikora
Data contain raw results of particle size distribution (by volume) of Bi2O3 and Gd2O3 particles determined using a laser diffraction method (Malvern Mastersizer 2000, Worcestershire, UK).
X-ray diffraction (XRD) of silica-coated bismuth oxide/gadolinium oxide (Bi2O3+Gd2O3) structures
Open Research Data
open access
Data 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)
SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrodes sintered at 1050 °C before and after test
Open Research Data
open access
- A. Mroziński
- J. Karczewski
- series: Impact of strontium non-stoichiometry of SrxTi0.3Fe0.7O3-δ
This dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrode sintered at 1050 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using...
SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C before and after test
Open Research Data
open access
- A. Mroziński
- J. Karczewski
- series: Impact of strontium non-stoichiometry of SrxTi0.3Fe0.7O3-δ
This dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrode sintered at 800 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using a FEI...
Mechanical properties of cement pastes containing pristine and silica-coated bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research Data
open access
- P. Sikora
- K. Federowicz
- M. Techman
Excel file containing raw mechanical (compressive strength) data of cement pastes containing variable amount of Bi2O3, Gd2O3, Bi2O3-SiO2 and Gd2O3-SiO2 structures. Sample designation in the Excel file is in line with sample designation in the manuscript associated with dataset.
Thermgravimetric analysis (TGA) data of cement pastes containing pristine and silica-coated bismuth oxide and gadolinium oxide particles
Open Research Data
open access
- K. Cendrowski
- P. Sikora
Thermogravimetric (TGA) data of cement pastes after 2, 7 and 28 days. Samples designations: Control, BG, BG-A and BG-B are associated with the specimen names in the associated publication.
Transmission electron microscope (TEM) and optical microscope images of pristine and silica-coated bismuth oxide and gadolinium oxide particles
Open Research Data
open access
Collection of raw transmission electron microscope (TEM) micrographs and optical microscope images used in the associated manuscript. All data in accessible *.tif format. Zip package contains:
Isothermal calorimetry data for cement pastes containing pristine and silica-coated bismuth oxide (Bi2O3) and gadolinium oxide (Gd2O3) structures
Open Research Data
open access
- P. Sikora
Excel file containing raw calorimetric data determined up to 168 h (Tam Air 3 8-channel isothermal calorimeter) of cement pastes containing variable amount of Bi2O3, Gd2O3, Bi2O3-SiO2 and Gd2O3-SiO2 structures. Sample designation in the Excel file is in line with sample designation in the manuscript associated with dataset.
TEM data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
Open Research Data
open access
- B. Kamecki
- J. Karczewski
- G. Cempura
- P. Jasiński
- S. Molin
- series: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique
This Dataset include presentation of summarized TEM investigation of (Mn,Co,Fe,Ni,Cr)3O4 high-entropy spinel oxide prepared in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers were characterised after exposure to temperatures in the range of 400–900 ◦C. The as-deposited...
Carbon (II) oxide (CO) calibration set of FTIR spectra
Open Research Data
open access
- B. Bochentyn
- P. Błaszczak
- series: DIR-SOFC
The calibration spectra for CO concentration calibration were supplied with this dataset
The structure of lead-silicate glasses and nanocomposites doped with iron oxide
Open Research Data
open access
The structure of iron-doped glasses and glass-ceramics were studied. Samples has the composition of 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All samples were prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573...
The morphology of lead-borate glasses and nanocomposites doped with iron oxide
Open Research Data
open access
The topography of iron-doped borate glasses and glass-ceramics were studied. Samples of composition of xFe2O3–(100 − x)(B2O3–2PbO) (2.5 < x < 37 in mol%) were prepared by the conventional meltquenching technique. The melting was conducted in alumina crucibles at the temperature of 1523 K. The melts were poured on a preheated (573 K) brass plate...
The morphology of lead-silicate glasses and nanocomposites doped with iron oxide
Open Research Data
open access
The topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573...
SEM/EDX data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
Open Research Data
open access
- series: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique
This Data set include SEM and EDX results of (Mn,Co,Fe,Ni,Cr)3O4 high-entropy spinel oxide prepared in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers were characterised after exposure to temperatures in the range of 400–900 ◦C. The as-deposited layers were amorphous,...
XRD data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe, annealed in a range from 400 to 900oC
Open Research Data
open access
- series: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique
Dataset include collected XRD data of (Cr,Fe,Mn,Co,Ni)3O4 high-entropy spinel oxide thin films deposited by spray pyrolysis technique on amorphous SiO2 substrates and annealed from 400 to 900oC. Samples were prepared in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers...
Total electrical conductivity data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
Open Research Data
open access
- series: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique
This dataset includes electrical conductivity measurements results measured by van der pauw technique up to 900oC.
Magnetic properties of of lead-silicate glasses and nanocomposites doped with iron oxide
Open Research Data
open access
Magnetic properties of iron-doped glasses and glass-ceramics were studied. Two different sets of glass samples were prepared. The first group of samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO– xFe2O3, where x = 15 and 20 (in mol%). Composition of the second group was 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere...
Structure and optical measurements of Eu doped tellurium oxide thin films
Open Research Data
open access
Thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was examined by X-ray diffraction method. ...
The viscometric evaluation of the gelation rate the chitosan-metal oxide hydrogel systems.
Open Research Data
open access
The dataset shows the change in the viscosity of a hydrogel medium over time. Viscometric measurement was used as a universal method for determining the cross-linking rate of chitosan hydrogel using metal oxides or other solutions with a negative net charge. The method was prepared as a method of predicting the kinetics of additive manufacturing using...
Tensile strength test of PE foils modified with zinc oxide and zinc salts
Open Research Data
open access
- R. Tylingo
- S. Mania
This dataset contains the results of PE foils mechanical tests, in which the material was evaluated for strength and extensibility at the moment of breaking and based on the same tests preceded by material fatigue in 50 stretching cycles. The principle of the method is to stretch the test sample placed in the clamps of the stretching apparatus at a...
Raman spectra for pyrolized natural compounds
Open Research Data
open access
- M. Szkoda
- A. Ilnicka
The presented data showcases the results of Raman spectroscopy analysis conducted on pyrolyzed natural compounds both with and without the inclusion of graphene. The study delved into four specific compounds: methylcellulose with lysine (ML), methylcellulose with lysine-graphene composite (MLG), algae (A), and algae-graphene composite (AG). Raman spectra...
Compressive strength and density of cement pastes containing iron oxide (Fe3O4) nanoparticles (nanomagnetite)
Open Research Data
open access
- P. Sikora
- M. Liard
*.ODS - open-data source spreadsheet - Dataset presenting:
Analysis of the properties of the YSTF ceramics materials before and after reduction
Open Research Data
open access
- M. Łapiński
The valence of titanium in reduced YSTF ceramics materials was investigated. Ceramics were reduced by annealing in a hydrogen atmosphere. For comparison unreduced sample was also measured. Valance state was measured by XPS method.
Mechanical properties of cement pastes containing pristine and silica-coated bismuth oxide Bi2O3+Gd2O3 structures
Open Research Data
open access
- P. Sikora
- K. Federowicz
- M. Techman
Excel (*.xlsx) and Csv (*.csv) files containing raw mechanical (compressive strength) data of cement pastes after 1, 2, 7 and 28 days of curing
Impedance and cyclic voltammetry studies of GPLA electrodes after laser ablation
Open Research Data
open access
- J. Ryl
- M. Głowacki
The 3D printed GPLA electrodes present a brand new opportunity for electrode material for electrochemical biosensors. In order for the electrodes to be considered viable for electroanalysis studies, the pretreatment procedure must be applied in order to etch PLA matrix and reveal graphene filler. The following dataset presents an approach towards such...
Proceeds from value added tax to the state budget as a percentage of the revenues (2010-2014)
Open Research Data
open access
- P. Kasprzak
From 1 January 2011, there was a general increase in the rates of tax on goods and services. According to the assumptions, it was temporary, and the amended regulations were to apply until the end of 2013. However, due to government policy, the rate hike was maintained. The changes introduced in 2010 concerned the basic and reduced rates - they were...
Mechanical lithography in a polymer substrate using AFM in contact mode
Open Research Data
open access
- A. Zieliński
- J. Ryl
- series: Scanning Probe Microscopies data
Mechanical lithography in a polymer substrate. Contact mode. NTEGRA Prima (NT-MDT) device. NSG 01 probe.
XPS study of the TiO2-WO2 composites
Open Research Data
open access
- M. Łapiński
Valence state of W and Ti was measured in a TiO2-WO3 composites with a various composition.Powder samples of pure titanium dioxide, tungsten oxide and mix of 50% titanium oxide and 50% od tungsten oxide were measured. Oxides were annealed at the temperature in the range of 300 Celsius degree up to 900 deg. Measurements were performed by XPS UHV Omicron...
FTIR spectra of SOFC with LSCNT layer fueled by biogas mixture at 750 C (pure)
Open Research Data
open access
- P. Błaszczak
- B. Bochentyn
- series: Exsolution
The dataset contains the FTIR spectra collected during the electrical measurements DIR-SOFC with LSCNT layer. The SOFC was reduced at 800degC in H2 prior to mesurements. The spectra were collected every 10 min.
FTIR-TiO2 heated at 400-600oC in Ar or H2
Open Research Data
open access
- B. Tryba
- P. Rychtowski
Data contain FTIR diffuse eflectance spectra of TiO2, which was heat-treated at 400-600oC in Ar or H2. Hydrogen reduced TiO2 revealed new bands due to the adsorption of some species on the titania oxygen vacancy sites.
Interaction of PDA monomers with Au
Open Research Data
open access
- series: Electrochemical Au-Minecraft: a new approach towards the impedimetric biosensing system
This dataset contains supplementary information in the form of Electrostatic difference potential (EDP) map, density of states (DOS) spectra, and adsorption geometries of polydopamine PDA monomers on the Au surface. PDA was modelled either as the oxidised (indolequinone, IQ) and reduced (dihydroxyindole, DHI) chemistries.
Photoluminescence spectra of TiO2
Open Research Data
open access
- B. Tryba
- P. Felczak
These data contain photoluminescence spectra of TiO2 measured at the temperature of liquid nitrogen. There is a comparison of the photoluminescence spectra of TiO2 heat treated at 400-600oC in the ambient (Ar) and reduced (H2) atmospheres. These emission spectra were recorded after TiO2 excitation with a wavelength of 290 nm
Electrical power measurement of LSCNT modified SOFC fueled by biogas mixture at 750 C
Open Research Data
open access
- P. Błaszczak
- B. Bochentyn
- series: Exsolution
The dataset contains the electrical measurements of IV curves for SOFC with La0.27Sr0.54Ce0.09Ni0.1Ti0.9O3-s layer working under biogas and H2 feeding stream. The SOFC was reduced at 900C and conditioned for 12 h under H2 prior the measurements. The measurements were performed using Gamry potentiostat/galvanostat
Electrical power measurement of reference SOFC fueled by biogas mixture at 750 C
Open Research Data
open access
- P. Błaszczak
- B. Bochentyn
- series: Exsolution
The dataset contains the electrical measurements of IV curves for SOFC without La0.27Sr0.54Ce0.09Ni0.1Ti0.9O3-s layer working under biogas and H2 feeding stream. The SOFC was reduced at 900C and conditioned for 12 h under H2 prior the measurements. The measurements were performed using Gamry potentiostat/galvanostat
XPS measurement of the Fe-Ti based materials
Open Research Data
open access
- M. Łapiński
The 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...
Data points of structures of R1233zd(E) flowing in a circular minichannel at low, medium and high values of saturation pressure
Open Research Data
open access
Database present structures of two-phase flow of R1233zd(E) in 3 mm vertical channel. Database contains datapoints which contain information of reduced pressure (ratio of saturation pressure and critical pressure), quality and mass velocity. 4 two phase structures are distinguished: bubbly flow, slug flow, intermittent flow and annular flow.
Scanning electron microscopy (SEM) images of boron-doped diamond thin films at poly(lactic acid)
Open Research Data
open access
The dataset contains the photos obtained by scanning electron microscope(SEM), revealing the surface morphology and cross-section of boron-doped diamond electrodes on commercially available graphene-doped polylactide acid. The boron doping level expressed as the [B]/[C] ratio in the gas phase for these studies was 500 and 10,000 ppm. The top views of...
High temperature XRD diffraction patterns collected during the reoxidation process of SFM-based compounds
Open Research Data
embargo
- A. Ducka
- M. Gazda
- series: SFM
This dataset contains three file folders for SFM, LSFM (La-doped) and SFMNb (Nb-doped) respectively. Samples were reduced prior to the XRD measurements. The measurements were performed on Philipps X’Pert Pro diffractometer using a high-temperature Anthon Paar HT-1200 oven adapter. Scans were performed each 50 deg. in air. The data in dataset were already...
Application of optical microsphere in fiber optic sensors for measurement of electrochemical processes
Open Research Data
open access
- P. Listewnik
investigation of the electrochemical processes using micro-sphere fiber-optic sensor with a zinc oxide (ZnO) coating applied by Atomic Layer Deposition method (ALD). The measurements were performed in 1M KNO3 during a decomposition of Bisphenol-A
Electrical and noise responses of carbon nanotube networks enhanced by UV light for nitrogen dioxide sensing
Open Research Data
open access
- K. Drozdowska
- J. Smulko
Networks consisting of randomly oriented carbon nanotubes (CNN) were investigated toward nitrogen dioxide detection by means of electrical and low-frequency noise measurements. UV-activation of CNN layers improved gas sensitivity and reduced the limit of detection, especially by employing 275 nm-LED. This data set includes DC resistance measurements...
The reductivity of the transition metals - calculations
Open Research Data
open access
- P. Błaszczak
- B. Bochentyn
The dataset includes the reduction enthalpy and Gibbs energy simulated for Co, Cu, Fe, La, Mo, Ni, Sr, Ti, and W from oxide form into metallic form in hydrogen. Simulations were performed using HSC Chemistry software.
Interactions of PDA tetramers with the Au surfaces
Open Research Data
open access
- series: Electrochemical Au-Minecraft: a new approach towards the impedimetric biosensing system
This dataset contains electrostatic difference potential (EDP) maps, density of states (DOS) spectra, and adsorption geometries of cyclic tetramers on the Au surface. The real polydopamine was modelled either as the cyclic tetramers in the oxidised (indolequinone, IQ) and reduced (dihydroxyindole, DHI) chemistries with all units being the same - either...
The scanning tunnelling micrographs of highly oriented pyrolytic graphite
Open Research Data
open access
- A. Zieliński
- J. Ryl
- series: Scanning Probe Microscopies data
The dataset contains the results imaging of a sample of highly oriented pyrolytic graphite obtained using scanning tunneling microscopy. The above variant of scanning probe microscopy is one of the most convenient research techniques at atomic scales. The file contains images corresponding to increasing magnifications from the 1 um scale to a few nanometers....
BET adsorption-desorption isotherm of nano-CeO2 impregnated with Cu
Open Research Data
open access
The dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Cu oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
BET adsorption-desorption isotherm of nano-CeO2 impregnated with Co
Open Research Data
open access
The dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Co oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
BET adsorption-desorption isotherm of nano-CeO2 impregnated with Mn
Open Research Data
open access
The dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Mn oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
BET adsorption-desorption isotherm of nano-CeO2 impregnated with Ni
Open Research Data
open access
The dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Ni oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
BET adsorption-desorption isotherm of nano-CeO2 impregnated with Fe
Open Research Data
open access
The dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Fe oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
Optical measurements of lithium titanate sol-gel derived thin films
Open Research Data
open access
- M. Łapiński
Nanocrystalline thin films with 800 nm thickness were prepared by sol–gel method. To examine the influence of the annealing time on as-prepared films crystallization, the coatings were heated at 550 °C for 10, 20 and 80 h. On the basis of transmission characteristic optical properties were calculated. It was found that transmission through the thin...

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Search results for: REDUCED GRAPHENE OXIDE