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Wyniki wyszukiwania dla: EPS-TiO2

  • XRD-TiO2 and SiO2

    Dane Badawcze
    open access

    Data contain results from XRD measurements of amorphous silica and TiO2 of antase and rutile phases. The commercial TiO2 named as P25 produced by Evonik was also analyzed.

  • SEM - Expanded polystyrene coated by TiO2 or SiO2-TiO2

    Dane Badawcze
    open access

    Data contain SEM images taken in SEM Hitachi SU8000 with voltage of 5.0 kV. SEM images show expanded plystyrene spheres coated by a thin layer of TiO2 or bilayer SiO2-TiO2. 

  • XPS-TiO2 heated in H2

    Dane Badawcze
    open access

    These XPS spectra were recorded for TiO2 heat-treated at 450-600oC in H2. Surface oxygen groups were determined. Deconvolution of Ti 2p peak allowed to determine Ti3+ on the titania surface.

  • TG analyses - content of SiO2 and TiO2 in polystyrene

    Dane Badawcze
    open access

    TG analyses were performed for polystyrene spheres coating by SiO2 and then coating by SiO2-TiO2. Thermal analyses of polystyrene spheres only were also performed. The content of inorganic remaining was used for calculation the quantity of coating SiO2 and TiO2 in the polystyrene spheres.

  • SEM-EDS images of expanded polystyrene spheres coated with silicon dioxide (SiO2) and/or titanium dioxide (TiO2)

    Dane Badawcze

    Data contain SEM and SEM-EDS images of expanded polystyrene spheres coated with silicon dioxide (SiO2) and/or titanium dioxide (TiO2). The detailed equipment and measurement data was described in measurement info.txt file.

  • XPS study of the TiO2-WO2 composites

    Dane Badawcze
    open access

    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...

  • EPR of TiO2 hydrogenated at 500 and 600oC

    Dane Badawcze
    open access

    Data contain EPR spectra of TiO2 (anatase phase) heat treated in H2 at 500 and 600oC. Sample heated at 500oC contained 4 wt% of rutile and that at 600oC 8 wt% of rutile.

  • Photocatalytic decomposition of ethylene on the TiO2-polystyrene spheres

    Dane Badawcze
    open access

    Data contain results from the measurements of the photocatalytic decomposition of ethylene under UV irradiation with using TiO2 coating on the expanded polystyrene spheres (EPS). EPS-SiO2-TiO2 and EPS-TiO2 were used as the photocatalytic beds in the fluidized bed reactor.  Both, stationary and fluidized beds were tested. The comparison of ethylene decomposition...

  • Brunauer-Emmett-Teller (BET) surface analysis of titanium dioxide (TiO2) and silicon dioxide (SiO2) used for coating of expanded polystyrene spheres (EPS)

    Dane Badawcze

    Data refer to the results of BET surface area of TiO2 and SiO2 powders used for coating of expanded polystyrene spheres. The detailed measurement and equipment data was described in readme BET.txt file.TiO2 was treated firstly in autoclave at 150 C degrees for 1h, then was further heat treated in Ar at 400 C degrees. As a raw material TiO2 was used,...

  • XPS studies of PDA-modified TiO2 nanotubes

    Dane Badawcze

    This dataset contains the XPS results (survey and high-resolution spectra) of the samples from TiO2 nanotubes modified with polydopamine. The studies were presented as a part of the research on "Band Gap Engineering toward Semimetallic Character of Quinone-Rich Polydopamine" (DOI: 10.1021/acs.jpcc.2c08804).

  • Plasmon resonance in a TiO2-Au NPs structures

    Dane Badawcze
    open access

    Investigated structures were deposited on a pre cleaned Corning 1737 glass substrates, which provided flat optical transmission characteristics and high transmission coefficient in a visible light range. Plasmonic nanostructures were formed as a result of thermal annealing. For gold films with thickness of 2.8 nm depiction a table-top dc magnetron sputtering...

  • The XPS studies revealing the surface chemistry of Cu-Sn-TiO2 nanocomposite coatings

    Dane Badawcze
    open access

    The dataset contains the X-Ray Photoelectron Spectroscopy (XPS) data of nanocomposite Cu-Sn-TiO2 coatings electrodeposited from oxalic acid bath containing Cu and Sn salts as well as TiO2 nanoparticles under various treatments: mechanical stirring, ultrasonic or none. The details of the electrodeposition process are presented in the descriptor file...

  • TiO2-zeta potential

    Dane Badawcze
    open access

    Data contain results from the measurements of zeta potential of TiO2 versus pH. Data are saved as original files and in the format of Excel file. measurements were perfomed in Zetasizer Nano ZS with using Multi-Purpose Titrator MPT-2. 

  • Photoluminescence spectra of TiO2

    Dane Badawcze
    open access

    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

  • TiO2-potential zeta in water

    Dane Badawcze
    open access

    Data contain results from measurements of zeta potential for powdered TiO2 in a diluted aqueous solution. The measurements were performed in Zetasizer Nano ZS analyser.

  • Analyses of sulphur in TiO2 by XRFS

    Dane Badawcze

    Data contain content of sulphur in TiO2 determined by X-ray fluorescence spectroscopy. The results were obtained by using internal pattern.

  • Changes on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity

    Changes on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity

  • TG-hydroxyl groups in TiO2-P25

    Dane Badawcze
    open access

    TG analyses were performed for powdered TiO2 - commercial P25 sample, which was heat-treated from room temperature to 500 C in the nitrogen atmosphere. Mass loss at lower temperature such as 120 C was related to the physisorbed water, and that one occurring at 500 C to the chemisorbed hydroxyl groups.

  • FTIR in situ - ethylene decomposition on TiO2

    Dane Badawcze
    open access

    These data contain FTIR spectra recorded in FTIR spectrometer Nicolet iS50 coupled with High Temperature Chamber "The Praying Mantis". These spectra were measured for TiO2 irradiated by UV and under flowing of ethylene gas diluted in air. FTIR spectra were measured in situ during the photocatalytic process of ethylene decomposition. In order to identify...

  • Ethylene decomposition on TiO2 under UV

    Dane Badawcze
    open access

    Data contain chromatograms recorded during decomposition of ethylene over TiO2 in a flow reactor under UV irradiation. Semilac UV lamp with total power of 72 W was used as a source of UV light. Chromatograms were recorded in Trace GC Ultra chromatograph equipped in FID detector. Sampling was realised via the dosing sample loop. TiO2 was coated on the...

  • TiO2-TG analyses -OH groups

    Dane Badawcze
    open access

    TG analyses of TiO2 were performed under nitrogen flow to monitor desorption of hydroxyl groups. Physisorbed weak-bonded hydroxyl groups were desorbed totally at around 120oC, whereas chemisorbed ones at around 500oC. The mass loss at these temperatures was used as concentration of hydroxyl groups on TiO2 surface. The amount of analysed TiO2 was 10...

  • Photocatalytic decomposition of acetaldehyde over TiO2 (titanium dioxide) supported on nickel foam and Ni-doped (nickel-doped) TiO2

    This dataset contains chromatograms recorded during the decomposition of acetaldehyde in a high-temperature reaction chamber under UV irradiation using as photocatalytic systems  TiO2 (titanium dioxide) supported on nickel foam, TiO2 supported on oxidized nickel foam and TiO2 doped by metallic nickel (Ni) powder. The detailed equipment and measurement...

  • Physicochemial data of the faceted anatase TiO2 nanoparticles

    Dane Badawcze

    Raw XRD, DR-UVvis and FTIR data of the faceted TiO2 nanoparticles, as extracted from the source files. Description of the basic measurements conditions and used quipment included in the file.

  • Ethylene decomposition on TiO2 - UV and Fluorescence lamp

    Dane Badawcze
    open access

    Data contain chromatograms recorded during decomposition of ethylene flowing over TiO2 through the quartz tubular shape reactor. TiO2 was coated onto glass plates with dimension of 2cmx2cm, in total 3 plates were used and placed inside reactor. Reactor was irradiated by UV (Special 'TL'E, Philips) or fluorescent (Lumilux, OSRAM) 3 ring-shaped lamps,...

  • Physicochemical and photocatalytic data of TiO2/MXene/MnFe2O4 photocatalysts

    Dane Badawcze

    This dataset includes data regarding the physicochemical properties (i.e. XRD, DR/UV-vis, TEM images, photoluminescence) and photocatalytic activity of TiO2/MXene/MnFe2O4 photocatalysts. The data comprise the results of the photocatalytic reaction of carbamazepine and ibuprofen degradation.

  • Physicochemical and photocatalytic data of Nb-doped faceted TiO2

    Dane Badawcze

    Raw numerical data, obtained from the physicochemical measurements (XRD, DR-UV/Vis, EPR) and numerical data on photocatalytic activity (phenol degradation and 4-nitrophenol reduction) extracted from the HPLC-DAD results, obtained for the TiO2 nanoparticles that expose majority of the {0 0 1}, {1 0 0} or {1 0 1} facets and were doped with the nominal...

  • Physicochemical and photocatalytic data of Cu-TiO2/Ti3C2 composites

    Dane Badawcze

    In this dataset, we include the data regarding the physicochemical properties (XRD, DR/UV-vis, photoluminescence, electrochemistry) and photocatalytic activity of TiO2/Ti3C2 and Cu-TiO2/Ti3C2 composites in the reaction of carbamazepine degradation. Herein we present the results for pure TiO2/Ti3C2 and composites modified with copper particles (0.25%,...

  • SEM analysis of the TiO2 layers deposited on a FTO substrates

    Dane Badawcze
    open access

    Titanium dioxide layers were deposited on a FTO conducting glass by sol-gel method. For sol gel synthesis butoxy titanium and ethanol were used as a reagents. Samples were sintered in a furnace at temperature of 600 deg.  SEM measurements were performed by FEI Quanta FEG250 microscope. SEM images of a cross-section of samples exhibit a porous structures...

  • FTIR-TiO2 heated at 400-600oC in Ar or H2

    Dane Badawcze
    open access

    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.

  • SEM of TiO2 heated at 400-600oC in Ar or H2

    Dane Badawcze
    open access

    Data contain some SEM images of TiO2 taken after its heat treatment in Ar or H2 at 400-600oC. Treated TiO2 was crystalline anatase phase with 3-4 % of rutile nclei.

  • BET of TiO2 heated at 400-600 C degrees

    Dane Badawcze

    These data refer to the results of BET surface area of TiO2, which was treated firstly in autoclave at 150 C degrees for 1h (sample marked as A150), then was further heat treated in Ar or H2 at 400-600 C degrees. As a raw material TiO2 was used, which was a semiproduct from the industrial production of titania white by sulphur method. The raw material...

  • Electrochemical Impedance Spectroscopy data of PDA-modified TiO2 nanotubes

    Dane Badawcze

    This dataset contains Electrochemical Impedance Spectroscopy data of the samples from TiO2 nanotubes modified with polydopamine. The studies were presented as a part of the research on "Band Gap Engineering toward Semimetallic Character of Quinone-Rich Polydopamine" (DOI: 10.1021/acs.jpcc.2c08804).

  • XRD-TiO2 heat-treated at 400-600oC in Ar or H2

    Dane Badawcze
    open access

    These data contain XRD patterns of TiO2 heat-treated at 400-600oC in Ar or H2. Two pases of TiO2 were identified: anatase and rutile.

  • SEM micrographs of the topography of Cu-Sn-TiO2 nanocomposite coatings

    Dane Badawcze
    open access

    The dataset contains the scanning electron microscopy (SEM) micrographs of nanocomposite Cu-Sn-TiO2 coatings electrodeposited from oxalic acid bath containing Cu and Sn salts as well as TiO2 nanoparticles under various treatments: mechanical stirring, ultrasonic or none. The details of the electrodeposition process are presented in the readme file attached...

  • Twenty years' (1996-2016) tropospheric parameters for selected EPN stations derived from GPS double-difference processing

    Dane Badawcze

    Propagation of global navigation satellite systems (GNSS) signals through the Earth’s atmosphere is affected by its physical properties. Both hydrostatic and wet part of the atmosphere (mostly related with troposphere) causes delays of GNSS signal, which usually are expressed in the zenith direction (zenith hydrostatic delay - ZHD, and zenith wet delay...

  • Twenty years' (1996-2016) tropospheric parameters for selected EPN stations derived from GPS precise point positioning

    Dane Badawcze

    Propagation of global navigation satellite systems (GNSS) signals through the Earth’s atmosphere is affected by its physical properties. Both hydrostatic and wet part of the atmosphere (mostly related with troposphere) causes delays of GNSS signal, which usually are expressed in the zenith direction (zenith hydrostatic delay - ZHD, and zenith wet delay...

  • Simulation of perovskite-based CuI/CH3NH3PbI3/TiO2 solar cell performance

    Dane Badawcze
    open access

    The presented data set is part of the theoretical research on novel thin-layer lead-halide perovskite solar cells with different inorganic transparent conductive oxides used as charge transport layers. In this study CuI/CH3NH3PbI3/TiO2 model structure (Model 1) was investigated by the use of the SCAPS-1D simulation method (https://scaps.elis.ugent.be/). 

  • UV-Vis-DR-TiO2 heated at 400-600oC in Ar or H2

    Dane Badawcze
    open access

    These data contain UV-Vis/DR spectra of TiO2 heated at 400-600oC in Ar or H2. Transformation of spectra to Kubelka-Munk function was performed together with determination of band gap.

  • Photocatalytic ethylene decomposition with the use of fluidized bed photoreactor

    Dane Badawcze

    Data contain exported raw data recorded during decomposition of ethylene during utilization of fluidized bed photoreactor equipped with either UV-LEDs or fluorescent UV lamps as well as in either humid or dry conditions. In separate folder, the photographs of the photocatalytic system were included. As photocatalytic material, polystyrene spheres coated...

  • Hydrogenation process ofTiO2/BiVO4/PEDOT:PSS observed by XPS method

    Dane Badawcze
    open access

    Titania nanotubes synthesis was based on a two-stage anodization process at water/ethylene glycol (5%/95%) electrolyte containing 0.27 M NH4F and 1 M H3PO4 described previously. Anodization process was performed in two-electrode cell compartment using platinum mesh as a cathode. The distance between electrodes was about 2 cm. The anodization voltage...

  • Luminescence of TeO2:Eu thin films

    Dane Badawcze
    open access

    Tellurium dioxide doped by europium 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...

  • Investigation of the uniformity of TeO2:Eu layer

    Dane Badawcze
    open access

    TeO2 doped by Eu thin films manufactured by magnetron sputtering method were measured by XPS method.  Te-Eu mosaic target with diameter of 50.8 mm was sputtered for about 45 min in argon-oxygen atmosphere what resulted in 300 nm film thickness deposition. The pressure in the deposition chamber was below 0.2 Pa and substrate was heated  at 200 oC during...

  • Research 1: Heterojunction of (P, S) co-doped g-C3N4 and 2D TiO2 for improved carbamazepine and acetaminophen photocatalytic degradation

    Dane Badawcze
    open access

    The first research article consisted on the synthesis of phosphorus and sulfur co-doped graphitic carbon nitride incorporated in 2D TiO2 structure for solar-driven degradation of emerging pollutants from the group of pharmaceuticals not susceptible to biodegradation. The hybrid photocatalysts with different loadings of (P, S)-doped g-C3N4 were characterized...

  • X-ray diffraction spectra of modification of TiO2 nanotubes by graphene - strontium and cobalt molybdate perovskite

    Dane Badawcze
    wersja 1.0 open access

    Data show XRD results for strontium and cobalt molybdate-modified nanotubes that were also decorated with graphene oxide.  The crystalline phases were characterized by X-ray diffractometer (Philips X”Pert with detector X’Celerator Scientific). 

  • Sol-gel derived TeO2:RE powders

    Dane Badawcze
    open access

    Tellurium dioxide powders doped by Europium or Dysprosium were prepared by sol-gel method. Samples were annealed in ix of Ar and O2 atomosphere at 600 degrees. Presence of rare earth dopants and Te4+ phase was confirmed by X-Ray Photoemission Spectroscopy method (XPS). For XPS measurements samples with 1 atomic % and 5 atomic % of dopand were selected.

  • XPS study of the YST ceramics

    Dane Badawcze
    open access

    Yttrium-doped strontium titanate  was prepared via conventional solid-state reaction method from Y2O3 (Sigma Aldrich, 99,9%), TiO2 (Sigma Aldrich, 99%) and SrCO3 (Sigma Aldrich,98%). For comparision, two other techniques were used for synthesis: Pechini and wet methods. Both kind of samples were measured, after and before reduction process (in a hydrogen)....

  • XPS data of MXene catalyst

    Dane Badawcze
    open access

    Data contain results from XPS measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using 48% HF etching agent (MXene HF). The X-ray spectroscopy (XPS) measurements were conducted using Mg Ka (hn = 1253.6 eV) radiation in a Prevac (Poland) system equipped with a Scienta SES 2002 (Sweden) electron...

  • ETS prices 2008-2024

    Dane Badawcze
    open access

    The European Union Emissions Trading System (EU ETS) is a carbon emission trading scheme (or cap and trade scheme) which began in 2005 and is intended to lower greenhouse gas emissions by the European Union countries. The "ETS prices 2008-2024" dataset contains a summary of ETS prices in 2008-2024.

  • XPS analysis of TBBO glass

    Dane Badawcze
    open access

    Glasses and glass-ceramics with nominal composition 73 TeO2– 4BaO– 3Bi2O3–18SrF2-2RE2O3 (where RE = Eu, Dy) have been synthesized by conventional melt-quenching technique and subsequent heat treatment at 370 °C for 24 h in air atmosphere. Various Eu3+ to Dy3+ molar ratio have been applied to investigate luminescence properties in both glass and glass-ceramic...

  • Photocatalytic degradation of acetaldehyde in high temperature reaction chamber

    This dataset contains chromatograms recorded during the decomposition of acetaldehyde in a high-temperature reaction chamber under UV irradiation using TiO2 (titanium dioxide) as photocatalysts. It includes data on the influence of flow rate, TiO2 (titanium dioxide) filling the entire reactor, a thin layer of TiO2 (titanium dioxide) supported on KBr...