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The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light
Iron (III) oxide, a stable semiconductor with versatile applications, was synthesized alongside Sn-doped Fe(2)O(3) (Sn–Fe(2)O(3)) using the sol-gel technique. Characterization via X-ray diffraction, field-emission scanning electron microscopy, and UV–visible spectroscopy confirmed the presence of α-...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10362135/ https://www.ncbi.nlm.nih.gov/pubmed/37483778 http://dx.doi.org/10.1016/j.heliyon.2023.e18076 |
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author | Arzaee, Nurul Affiqah Betti, Nadia Al-Amiery, Ahmed Roslam Wan Isahak, Wan Nor |
author_facet | Arzaee, Nurul Affiqah Betti, Nadia Al-Amiery, Ahmed Roslam Wan Isahak, Wan Nor |
author_sort | Arzaee, Nurul Affiqah |
collection | PubMed |
description | Iron (III) oxide, a stable semiconductor with versatile applications, was synthesized alongside Sn-doped Fe(2)O(3) (Sn–Fe(2)O(3)) using the sol-gel technique. Characterization via X-ray diffraction, field-emission scanning electron microscopy, and UV–visible spectroscopy confirmed the presence of α- and γ-Fe2O3 phases in the synthesized powders. Incorporation of the dopant reduced the initial band gap energy of Fe(2)O(3) (2.2 eV) by approximately 0.1 eV. To evaluate photocatalytic performance, Fe(2)O(3) and Sn–Fe(2)O(3) were tested for decolorization efficiency of a methyl orange solution. Results revealed the 5 wt% Sn-doped catalyst as optimal, achieving complete degradation of methyl orange within 120 min under simulated solar light. The addition of small amounts of Sn effectively reduced the Fe(2)O(3) band gap and significantly enhanced photocatalytic performance. Investigation of pH and dye concentration impact on photocatalytic degradation revealed superior activity under acidic conditions compared to alkaline. Furthermore, maintaining a moderate concentration of methyl orange (10 ppm) ensured optimum photocatalytic activity. |
format | Online Article Text |
id | pubmed-10362135 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-103621352023-07-23 The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light Arzaee, Nurul Affiqah Betti, Nadia Al-Amiery, Ahmed Roslam Wan Isahak, Wan Nor Heliyon Research Article Iron (III) oxide, a stable semiconductor with versatile applications, was synthesized alongside Sn-doped Fe(2)O(3) (Sn–Fe(2)O(3)) using the sol-gel technique. Characterization via X-ray diffraction, field-emission scanning electron microscopy, and UV–visible spectroscopy confirmed the presence of α- and γ-Fe2O3 phases in the synthesized powders. Incorporation of the dopant reduced the initial band gap energy of Fe(2)O(3) (2.2 eV) by approximately 0.1 eV. To evaluate photocatalytic performance, Fe(2)O(3) and Sn–Fe(2)O(3) were tested for decolorization efficiency of a methyl orange solution. Results revealed the 5 wt% Sn-doped catalyst as optimal, achieving complete degradation of methyl orange within 120 min under simulated solar light. The addition of small amounts of Sn effectively reduced the Fe(2)O(3) band gap and significantly enhanced photocatalytic performance. Investigation of pH and dye concentration impact on photocatalytic degradation revealed superior activity under acidic conditions compared to alkaline. Furthermore, maintaining a moderate concentration of methyl orange (10 ppm) ensured optimum photocatalytic activity. Elsevier 2023-07-07 /pmc/articles/PMC10362135/ /pubmed/37483778 http://dx.doi.org/10.1016/j.heliyon.2023.e18076 Text en © 2023 The Authors. Published by Elsevier Ltd. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Research Article Arzaee, Nurul Affiqah Betti, Nadia Al-Amiery, Ahmed Roslam Wan Isahak, Wan Nor The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title | The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title_full | The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title_fullStr | The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title_full_unstemmed | The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title_short | The role of tin species in doped iron (III) oxide for photocatalytic degradation of methyl orange dye under UV light |
title_sort | role of tin species in doped iron (iii) oxide for photocatalytic degradation of methyl orange dye under uv light |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10362135/ https://www.ncbi.nlm.nih.gov/pubmed/37483778 http://dx.doi.org/10.1016/j.heliyon.2023.e18076 |
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