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Katalog Danych Badawczych

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Katalog Danych Badawczych

  • Analyses of sulphur in TiO2 by XRFS

    Dane Badawcze
    open access

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

  • 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...

  • 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.

  • 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

  • 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.

  • 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
    open access

    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...

  • 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. 

  • Emission spectra of UV and fluorescent lamps

    Dane Badawcze
    open access

    Data contain emision spectra of two different UV lamps: Special "TL"E 22W/10 Black light (Philips) and Semilac UV, 36 W and also Fluorescent lamp: L22W/840 Circular Cool White, Lumilux (Osram). These spectra were recorded by USB4000 Fiber Optic Spectrometer.

  • 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,...

  • 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...

  • 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...

  • 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.

  • 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.

  • 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.

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