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Akademický článek

Solar photodegradation of malathion from aqueous media using Al-doped ZnO/Fe3O4 nanocomposite

Autor: Hamzeh Salehzadeh, Kitirote Wantala, Ebrahim Mohammadi, H.P. Shivaraju, Behzad Shahmoradi, Sami Rtimi, Afshin Maleki, Mehdi Safari

Publikováno v: Catalysis Communications, Vol 184, Iss , Pp 106785- (2023)

This study was conducted to boost the photocatalytic activity of ZnO by using Al:ZnO/Fe3O4 (MAZ) nanocomposite. Al-doped ZnO (Al:ZnO) nanoparticles and MAZ nanocomposite were synthesized using hydrothermal, chemical precipitation, and reflux methods.

Externí odkaz: https://doaj.org/article/282300ffbf034f0ea2e099107d93ed52

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Akademický článek

Digitally Printed AgNPs Doped TiO2 on Commercial Porcelain-Grès Tiles: Synergistic Effects and Continuous Photocatalytic Antibacterial Activity

Autor: Claudia Letizia Bianchi, Giuseppina Cerrato, Bianca Maria Bresolin, Ridha Djellabi, Sami Rtimi

Publikováno v: Surfaces, Vol 3, Iss 1, Pp 11-25 (2020)

In the present study, we use commercial digitally printed ceramic tiles, functionnalized by AgNPs doped micro−TiO2, to investigate the mechanism of Ag in the continouos photocatalytic antibacterial activity. The novelty of the research lies in the

Externí odkaz: https://doaj.org/article/cbcc18e8876241dfb82fade688c51640

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Akademický článek

Femtosecond Spectroscopy of Au Hot-Electron Injection into TiO2: Evidence for Au/TiO2 Plasmon Photocatalysis by Bactericidal Au Ions and Related Phenomena

Autor: Marina Radzig, Olga Koksharova, Inessa Khmel, Vladimir Ivanov, Khursand Yorov, John Kiwi, Sami Rtimi, Elina Tastekova, Arseny Aybush, Victor Nadtochenko

Publikováno v: Nanomaterials, Vol 9, Iss 2, p 217 (2019)

In the present work, we provide evidence for visible light irradiation of the Au/TiO2 nanoparticles’ surface plasmon resonance band (SPR) leading to electron injection from the Au nanoparticles to the conduction band of TiO2. The Au/TiO2 SPR band i

Externí odkaz: https://doaj.org/article/01fa8c6b50f34e45b80136a2c4cf814d

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Akademický článek

Synergistic Effect of Fluorinated and N Doped TiO2 Nanoparticles Leading to Different Microstructure and Enhanced Photocatalytic Bacterial Inactivation

Autor: Irena Milosevic, Amarnath Jayaprakash, Brigitte Greenwood, Birgit van Driel, Sami Rtimi, Paul Bowen

Publikováno v: Nanomaterials, Vol 7, Iss 11, p 391 (2017)

This work focuses on the development of a facile and scalable wet milling method followed by heat treatment to prepare fluorinated and/or N-doped TiO2 nanopowders with improved photocatalytic properties under visible light. The structural and electro

Externí odkaz: https://doaj.org/article/1bd46ff9ad8347a39be6bb987b32e504

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Akademický článek

Light-Assisted Advanced Oxidation Processes for the Elimination of Chemical and Microbiological Pollution of Wastewaters in Developed and Developing Countries

Autor: Stefanos Giannakis, Sami Rtimi, Cesar Pulgarin

Publikováno v: Molecules, Vol 22, Iss 7, p 1070 (2017)

In this work, the issue of hospital and urban wastewater treatment is studied in two different contexts, in Switzerland and in developing countries (Ivory Coast and Colombia). For this purpose, the treatment of municipal wastewater effluents is studi

Externí odkaz: https://doaj.org/article/0ef371044fba45eaac3096286e554e65

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Akademický článek

TiO2 and TiO2-Doped Films Able to Kill Bacteria by Contact: New Evidence for the Dynamics of Bacterial Inactivation in the Dark and under Light Irradiation

Autor: John Kiwi, Sami Rtimi, Rosendo Sanjines, Cesar Pulgarin

Publikováno v: International Journal of Photoenergy, Vol 2014 (2014)

This paper addresses recent developments in the design, evaluation, and characterization of flexible, uniform polyethylene-TiO2 (PE-TiO2), TiO2-In2O3, and TiO2-polyester able to inactivate bacteria under band gap irradiation and in the dark. The prep

Externí odkaz: https://doaj.org/article/ea7be0de93134873bb923e44653fd3c3

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Akademický článek

Stable Photocatalytic Paints Prepared from Hybrid Core-Shell Fluorinated/Acrylic/TiO2 Waterborne Dispersions

Autor: Audrey Bonnefond, Edurne González, José M. Asua, Jose Ramon Leiza, Eliana Ieva, Giulio Brinati, Serena Carella, Alessio Marrani, Alessandro Veneroni, John Kiwi, Cesar Pulgarin, Sami Rtimi

Publikováno v: Crystals, Vol 6, Iss 10, p 136 (2016)

The contamination of air and water is one of the major concerns towards the development of a sustainable world in the 21st century. In this context many efforts are devoted to the design of photocatalytic paints able to degrade chemical and biologica

Externí odkaz: https://doaj.org/article/760ba640403a41f3a5f3daa2ef8d681f

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