The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2

Tutkimustuotos: Lehtiartikkeli

Standard

The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2. / Jafari, Shila; Tryba, Beata; Kusiak-Nejman, Ewelina; Kapica-Kozar, Joanna; Morawski, Antoni W.; Sillanpää, Mika.

julkaisussa: Journal of Molecular Liquids, Vuosikerta 220, 01.08.2016, s. 504-512.

Tutkimustuotos: Lehtiartikkeli

Harvard

Jafari, S, Tryba, B, Kusiak-Nejman, E, Kapica-Kozar, J, Morawski, AW & Sillanpää, M 2016, 'The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2', Journal of Molecular Liquids, Vuosikerta. 220, Sivut 504-512. https://doi.org/10.1016/j.molliq.2016.02.014

APA

Jafari, S., Tryba, B., Kusiak-Nejman, E., Kapica-Kozar, J., Morawski, A. W., & Sillanpää, M. (2016). The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2. Journal of Molecular Liquids, 220, 504-512. https://doi.org/10.1016/j.molliq.2016.02.014

Vancouver

Author

Jafari, Shila ; Tryba, Beata ; Kusiak-Nejman, Ewelina ; Kapica-Kozar, Joanna ; Morawski, Antoni W. ; Sillanpää, Mika. / The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2. Julkaisussa: Journal of Molecular Liquids. 2016 ; Vuosikerta 220. Sivut 504-512.

Bibtex - Lataa

@article{cf2c96460a2a4fea854d83cd63d7cb26,
title = "The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2",
abstract = "Carbon-modified TiO2 was successfully prepared via simple heat treatment of TiO2 in alcohol vapors (1-butanol and 2-butanol) at a constant temperature (500 °C). The prepared samples were characterized by means of X-ray diffraction (XRD) and Fourier transform infrared diffuse reflectance spectroscopy (FTIR/DRS). Brunauer-Emmett-Teller (BET) adsorption and zeta potential analyses were also conducted. The Freundlich adsorption model fitted both carbon-modified and original TiO2, which provide a heterogeneous surface for the adsorption of Orange II. The carbon-modified TiO2 was used as a photocatalyst to remove Orange II from aqueous solution by combined processes of adsorption and photocatalytic decomposition. The adsorption performance of the carbon-modified TiO2 was higher than that of the unmodified TiO2. Carbon adsorption approached synchronicity with oxidation, leading to the higher activity. This enhanced adsorption capacity may be a promising factor for the photocatalytic removal of Orange II onto carbon-modified TiO2. The prepared Carbon-modified TiO2 samples had higher BET surface area than unmodified TiO2 (44, 54.48 and 49.72 m2/g for TiO2, C1B-TiO2 and C2B-TiO2, respectively) and exhibited higher hydrophobicity and a positively charged surface, which were favorable for adsorption of Orange II. High adsorption of dye on the porous structure of C-TiO2 enhanced its photocatalytic decomposition under visible light.",
author = "Shila Jafari and Beata Tryba and Ewelina Kusiak-Nejman and Joanna Kapica-Kozar and Morawski, {Antoni W.} and Mika Sillanp{\"a}{\"a}",
year = "2016",
month = "8",
day = "1",
doi = "10.1016/j.molliq.2016.02.014",
language = "English",
volume = "220",
pages = "504--512",
journal = "Journal of Molecular Liquids",
issn = "0167-7322",
publisher = "Elsevier",

}

RIS - Lataa

TY - JOUR

T1 - The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2

AU - Jafari, Shila

AU - Tryba, Beata

AU - Kusiak-Nejman, Ewelina

AU - Kapica-Kozar, Joanna

AU - Morawski, Antoni W.

AU - Sillanpää, Mika

PY - 2016/8/1

Y1 - 2016/8/1

N2 - Carbon-modified TiO2 was successfully prepared via simple heat treatment of TiO2 in alcohol vapors (1-butanol and 2-butanol) at a constant temperature (500 °C). The prepared samples were characterized by means of X-ray diffraction (XRD) and Fourier transform infrared diffuse reflectance spectroscopy (FTIR/DRS). Brunauer-Emmett-Teller (BET) adsorption and zeta potential analyses were also conducted. The Freundlich adsorption model fitted both carbon-modified and original TiO2, which provide a heterogeneous surface for the adsorption of Orange II. The carbon-modified TiO2 was used as a photocatalyst to remove Orange II from aqueous solution by combined processes of adsorption and photocatalytic decomposition. The adsorption performance of the carbon-modified TiO2 was higher than that of the unmodified TiO2. Carbon adsorption approached synchronicity with oxidation, leading to the higher activity. This enhanced adsorption capacity may be a promising factor for the photocatalytic removal of Orange II onto carbon-modified TiO2. The prepared Carbon-modified TiO2 samples had higher BET surface area than unmodified TiO2 (44, 54.48 and 49.72 m2/g for TiO2, C1B-TiO2 and C2B-TiO2, respectively) and exhibited higher hydrophobicity and a positively charged surface, which were favorable for adsorption of Orange II. High adsorption of dye on the porous structure of C-TiO2 enhanced its photocatalytic decomposition under visible light.

AB - Carbon-modified TiO2 was successfully prepared via simple heat treatment of TiO2 in alcohol vapors (1-butanol and 2-butanol) at a constant temperature (500 °C). The prepared samples were characterized by means of X-ray diffraction (XRD) and Fourier transform infrared diffuse reflectance spectroscopy (FTIR/DRS). Brunauer-Emmett-Teller (BET) adsorption and zeta potential analyses were also conducted. The Freundlich adsorption model fitted both carbon-modified and original TiO2, which provide a heterogeneous surface for the adsorption of Orange II. The carbon-modified TiO2 was used as a photocatalyst to remove Orange II from aqueous solution by combined processes of adsorption and photocatalytic decomposition. The adsorption performance of the carbon-modified TiO2 was higher than that of the unmodified TiO2. Carbon adsorption approached synchronicity with oxidation, leading to the higher activity. This enhanced adsorption capacity may be a promising factor for the photocatalytic removal of Orange II onto carbon-modified TiO2. The prepared Carbon-modified TiO2 samples had higher BET surface area than unmodified TiO2 (44, 54.48 and 49.72 m2/g for TiO2, C1B-TiO2 and C2B-TiO2, respectively) and exhibited higher hydrophobicity and a positively charged surface, which were favorable for adsorption of Orange II. High adsorption of dye on the porous structure of C-TiO2 enhanced its photocatalytic decomposition under visible light.

UR - http://www.scopus.com/inward/record.url?scp=84966709685&partnerID=8YFLogxK

U2 - 10.1016/j.molliq.2016.02.014

DO - 10.1016/j.molliq.2016.02.014

M3 - Article

VL - 220

SP - 504

EP - 512

JO - Journal of Molecular Liquids

JF - Journal of Molecular Liquids

SN - 0167-7322

ER -

ID: 12341732