Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants
The titanium dioxide (TiO2) nanopowders were produced by sol-gel technique from tetrabutyl titanate as a precursor by varying some parameters of the sol-gel synthesis like the temperature (500 and 550 °C) and the duration of the calcination (1.5, 2, and 2.5 h). X-ray powder diffraction (XRP...
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| Format: | Article |
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Association of the Chemical Engineers of Serbia
2016-01-01
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| Series: | Chemical Industry and Chemical Engineering Quarterly |
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| Online Access: | http://www.doiserbia.nb.rs/img/doi/1451-9372/2016/1451-93721500020G.pdf |
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| author | Golubović Aleksandar Veljković Ivana Šćepanović Maja Grujić-Brojčin Mirjana Tomić Nataša Mijin Dušan Babić Biljana |
| author_facet | Golubović Aleksandar Veljković Ivana Šćepanović Maja Grujić-Brojčin Mirjana Tomić Nataša Mijin Dušan Babić Biljana |
| author_sort | Golubović Aleksandar |
| collection | DOAJ |
| description | The titanium dioxide (TiO2) nanopowders were produced by sol-gel technique
from tetrabutyl titanate as a precursor by varying some parameters of the
sol-gel synthesis like the temperature (500 and 550 °C) and the duration of
the calcination (1.5, 2, and 2.5 h). X-ray powder diffraction (XRPD) results
have shown that all synthesized nanopowders are dominantly in anatase phase,
with the presence of a small amount of rutile in samples calcined at 550 °C.
According to the results obtained by Williamson-Hall method, the anatase
crystallite size was increased with the duration of the calcination (from 24
to 29 nm in samples calcined at lower, and from 30 to 35 nm in samples
calcined at higher temperature). The analysis of the shift and linewidth of
the most intensive anatase Eg Raman mode confirmed the XRPD results. The
analysis of pore structure from nitrogen sorption experimental data described
all samples as mesoporous, with mean pore diameters in the range of 5-8 nm.
Nanopowder properties have been related to the photocatalytic activity,
tested in degradation of the textile dye (C.I. Reactive Orange 16),
carbofuran and phenol. [Projekat Ministarstva nauke Republike Srbije, br.
III45018 i br. ON171032] |
| first_indexed | 2024-12-11T20:19:47Z |
| format | Article |
| id | doaj.art-594e87754a48446d9a5492fcbe6c8275 |
| institution | Directory Open Access Journal |
| issn | 1451-9372 2217-7434 |
| language | English |
| last_indexed | 2024-12-11T20:19:47Z |
| publishDate | 2016-01-01 |
| publisher | Association of the Chemical Engineers of Serbia |
| record_format | Article |
| series | Chemical Industry and Chemical Engineering Quarterly |
| spelling | doaj.art-594e87754a48446d9a5492fcbe6c82752022-12-22T00:52:06ZengAssociation of the Chemical Engineers of SerbiaChemical Industry and Chemical Engineering Quarterly1451-93722217-74342016-01-01221657310.2298/CICEQ150110020G1451-93721500020GInfluence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutantsGolubović Aleksandar0Veljković Ivana1Šćepanović Maja2Grujić-Brojčin Mirjana3Tomić Nataša4Mijin Dušan5Babić Biljana6Institute of Physics, BelgradeInstitute for Multidisciplinary Research, BelgradeInstitute of Physics, BelgradeInstitute of Physics, BelgradeInstitute of Physics, BelgradeFaculty of Technology and Metallurgy, BelgradeInstitute of Nuclear Sciences “Vinča”, BelgradeThe titanium dioxide (TiO2) nanopowders were produced by sol-gel technique from tetrabutyl titanate as a precursor by varying some parameters of the sol-gel synthesis like the temperature (500 and 550 °C) and the duration of the calcination (1.5, 2, and 2.5 h). X-ray powder diffraction (XRPD) results have shown that all synthesized nanopowders are dominantly in anatase phase, with the presence of a small amount of rutile in samples calcined at 550 °C. According to the results obtained by Williamson-Hall method, the anatase crystallite size was increased with the duration of the calcination (from 24 to 29 nm in samples calcined at lower, and from 30 to 35 nm in samples calcined at higher temperature). The analysis of the shift and linewidth of the most intensive anatase Eg Raman mode confirmed the XRPD results. The analysis of pore structure from nitrogen sorption experimental data described all samples as mesoporous, with mean pore diameters in the range of 5-8 nm. Nanopowder properties have been related to the photocatalytic activity, tested in degradation of the textile dye (C.I. Reactive Orange 16), carbofuran and phenol. [Projekat Ministarstva nauke Republike Srbije, br. III45018 i br. ON171032]http://www.doiserbia.nb.rs/img/doi/1451-9372/2016/1451-93721500020G.pdfnanostructuresanataseX-ray diffractionRaman scattering |
| spellingShingle | Golubović Aleksandar Veljković Ivana Šćepanović Maja Grujić-Brojčin Mirjana Tomić Nataša Mijin Dušan Babić Biljana Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants Chemical Industry and Chemical Engineering Quarterly nanostructures anatase X-ray diffraction Raman scattering |
| title | Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants |
| title_full | Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants |
| title_fullStr | Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants |
| title_full_unstemmed | Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants |
| title_short | Influence of some sol-gel synthesis parameters of mesoporous TiO2 on photocatalytic degradation of pollutants |
| title_sort | influence of some sol gel synthesis parameters of mesoporous tio2 on photocatalytic degradation of pollutants |
| topic | nanostructures anatase X-ray diffraction Raman scattering |
| url | http://www.doiserbia.nb.rs/img/doi/1451-9372/2016/1451-93721500020G.pdf |
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