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Article

Paper Functionalized with Nanostructured TiO2/AgBr: Photocatalytic Degradation of 2–Propanol under Solar Light Irradiation and Antibacterial Activity

1
Faculty of Sciences, University of Sfax, Lions Club International (LCI), Sfax BP1171-3018, Tunisia
2
Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
3
Dipartimento di Ingegneria (DI), Università degli Studi di Palermo, Viale delle Scienze Ed. 6, 90128 Palermo, Italy
4
Istituto per lo Studio dei Materiali Nanostrutturati (ISMN-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
5
Faculty of Sciences, University of Sfax, Laboratoire Sciences des Matériaux et Environnement, Sfax BP1171-3018, Tunisia
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(3), 470; https://doi.org/10.3390/nano10030470
Received: 9 February 2020 / Revised: 28 February 2020 / Accepted: 29 February 2020 / Published: 5 March 2020
(This article belongs to the Special Issue Photocatalytic Nanomaterials for Pollutant Remediation)
A facile method to produce paper–TiO2 decorated with AgBr nanoparticles by a mild hydrothermal process at 140 °C was reported. The synthesis method was based on the immersion of the paper in a ready-made suspension of TiO2/AgBr, comprising TiO2 sol solution prepared in acidic conditions and AgBr solution (10−4 M). A paper–TiO2 sample was prepared and used as reference. The formation of crystalline phases of titanium oxide (TiO2) and silver bromide (AgBr) was demonstrated by XRD, Raman and EDX analyses. The surface morphology of the TiO2–AgBr was investigated by Field Effect Scanning Electronic Microscopy (FE–SEM). The photocatalytic performances of the prepared material were evaluated in the degradation of 2-propanol in the gas phase, under simulated sunlight illumination. Its antibacterial properties against Escherichia coli (E. coli) were also assessed. The efficiency of photodegradation and the anti-bacterial properties of paper–TiO2–AgBr were attributed to an improvement in the absorption of visible light, the increased production of reactive oxygen species (ROS) and the low recombination of photogenerated charge carriers due to the synergistic effect between TiO2 and AgBr/Ag nanoparticles. View Full-Text
Keywords: Paper–TiO2–AgBr; 2-propanol photodegradation; antibacterial activity; sunlight irradiation Paper–TiO2–AgBr; 2-propanol photodegradation; antibacterial activity; sunlight irradiation
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MDPI and ACS Style

Sboui, M.; Bouattour, S.; Gruttadauria, M.; Marcì, G.; Liotta, L.F.; Boufi, S. Paper Functionalized with Nanostructured TiO2/AgBr: Photocatalytic Degradation of 2–Propanol under Solar Light Irradiation and Antibacterial Activity. Nanomaterials 2020, 10, 470. https://doi.org/10.3390/nano10030470

AMA Style

Sboui M, Bouattour S, Gruttadauria M, Marcì G, Liotta LF, Boufi S. Paper Functionalized with Nanostructured TiO2/AgBr: Photocatalytic Degradation of 2–Propanol under Solar Light Irradiation and Antibacterial Activity. Nanomaterials. 2020; 10(3):470. https://doi.org/10.3390/nano10030470

Chicago/Turabian Style

Sboui, Mouheb, Soraa Bouattour, Michelangelo Gruttadauria, Giuseppe Marcì, Leonarda F. Liotta, and Sami Boufi. 2020. "Paper Functionalized with Nanostructured TiO2/AgBr: Photocatalytic Degradation of 2–Propanol under Solar Light Irradiation and Antibacterial Activity" Nanomaterials 10, no. 3: 470. https://doi.org/10.3390/nano10030470

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