Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation

Undoped CeO(2) and 0.50–5.00 mol% Fe-doped CeO(2) nanoparticles were prepared by a homogeneous precipitation combined with homogeneous/impreganation method, and applied as photocatalyst films prepared by a doctor blade technique. The superior photocatalytic performances of the Fe-doped CeO(2) films,...

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Autores principales: Channei, D., Inceesungvorn, B., Wetchakun, N., Ukritnukun, S., Nattestad, A., Chen, J., Phanichphant, S.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2014
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5385822/
https://www.ncbi.nlm.nih.gov/pubmed/25169653
http://dx.doi.org/10.1038/srep05757
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author Channei, D.
Inceesungvorn, B.
Wetchakun, N.
Ukritnukun, S.
Nattestad, A.
Chen, J.
Phanichphant, S.
author_facet Channei, D.
Inceesungvorn, B.
Wetchakun, N.
Ukritnukun, S.
Nattestad, A.
Chen, J.
Phanichphant, S.
author_sort Channei, D.
collection PubMed
description Undoped CeO(2) and 0.50–5.00 mol% Fe-doped CeO(2) nanoparticles were prepared by a homogeneous precipitation combined with homogeneous/impreganation method, and applied as photocatalyst films prepared by a doctor blade technique. The superior photocatalytic performances of the Fe-doped CeO(2) films, compared with undoped CeO(2) films, was ascribed mainly to a decrease in band gap energy and an increase in specific surface area of the material. The presence of Fe(3+) as found from XPS analysis, may act as electron acceptor and/or hole donor, facilitating longer lived charge carrier separation in Fe-doped CeO(2) films as confirmed by photoluminescence spectroscopy. The 1.50 mol% Fe-doped CeO(2) film was found to be the optimal iron doping concentration for MO degradation in this study.
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spelling pubmed-53858222017-04-14 Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation Channei, D. Inceesungvorn, B. Wetchakun, N. Ukritnukun, S. Nattestad, A. Chen, J. Phanichphant, S. Sci Rep Article Undoped CeO(2) and 0.50–5.00 mol% Fe-doped CeO(2) nanoparticles were prepared by a homogeneous precipitation combined with homogeneous/impreganation method, and applied as photocatalyst films prepared by a doctor blade technique. The superior photocatalytic performances of the Fe-doped CeO(2) films, compared with undoped CeO(2) films, was ascribed mainly to a decrease in band gap energy and an increase in specific surface area of the material. The presence of Fe(3+) as found from XPS analysis, may act as electron acceptor and/or hole donor, facilitating longer lived charge carrier separation in Fe-doped CeO(2) films as confirmed by photoluminescence spectroscopy. The 1.50 mol% Fe-doped CeO(2) film was found to be the optimal iron doping concentration for MO degradation in this study. Nature Publishing Group 2014-08-29 /pmc/articles/PMC5385822/ /pubmed/25169653 http://dx.doi.org/10.1038/srep05757 Text en Copyright © 2014, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by-nc-nd/4.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/
spellingShingle Article
Channei, D.
Inceesungvorn, B.
Wetchakun, N.
Ukritnukun, S.
Nattestad, A.
Chen, J.
Phanichphant, S.
Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title_full Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title_fullStr Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title_full_unstemmed Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title_short Photocatalytic Degradation of Methyl Orange by CeO(2) and Fe–doped CeO(2) Films under Visible Light Irradiation
title_sort photocatalytic degradation of methyl orange by ceo(2) and fe–doped ceo(2) films under visible light irradiation
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5385822/
https://www.ncbi.nlm.nih.gov/pubmed/25169653
http://dx.doi.org/10.1038/srep05757
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