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Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst

TiO2 is one of the most promising photocatalysts that is widely used for environmental clean-up due to its ability to degrade organic pollutants in air or water. The purpose of this research is to enhance the photocatalytic activity of TiO2 by absorbing energy in visible light region in order to deg...

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Main Authors: Ibrahim, Siti Aida, Ahmid, Muhamad Nazim
Format: Article
Language:English
Published: Trans Tech Publications 2017
Subjects:
TJ Mechanical engineering and machinery
TA401-492 Materials of engineering and construction. Mechanics of materials
Online Access:http://eprints.uthm.edu.my/5118/1/AJ%202017%20%28271%29%20Influence%20of%20calcination%20temperature.pdf
http://eprints.uthm.edu.my/5118/
http://dx.doi.org/10.4028/www.scientific.net/MSF.888.435
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spelling my.uthm.eprints.51182022-01-06T01:38:40Z http://eprints.uthm.edu.my/5118/ Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst Ibrahim, Siti Aida Ahmid, Muhamad Nazim TJ Mechanical engineering and machinery TA401-492 Materials of engineering and construction. Mechanics of materials TiO2 is one of the most promising photocatalysts that is widely used for environmental clean-up due to its ability to degrade organic pollutants in air or water. The purpose of this research is to enhance the photocatalytic activity of TiO2 by absorbing energy in visible light region in order to degrade pollutants. In this study, the nanostructured Fe-TiO2 was successfully synthesised via a combined method of sol-gel and calcination process. The calcination temperatures used varied from 400°C to 800 °C. The as-prepared samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and UV-Vis spectroscopy (UV-Vis). XRD results show that the phases of TiO2 are dependent on calcination temperature. It is found that both TiO2 and Fe-TiO2 phases were transformed from anatase to rutile as the temperatures were increased. FESEM images revealed that the particle size was agglomerated and the average grain size was about 54 nm to 66 nm. UV-Vis analysis indicated that the incorporation of Fe and varied calcination temperature may affect the optical properties as the absorption profile was shifted from 445 nm to 585 nm. Thus, the results show that Fe-TiO2 is a highly potential photocatalyst to degrade pollutants under visible light irradiation. Trans Tech Publications 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/5118/1/AJ%202017%20%28271%29%20Influence%20of%20calcination%20temperature.pdf Ibrahim, Siti Aida and Ahmid, Muhamad Nazim (2017) Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst. Materials Science Forum, 888. pp. 435-440. ISSN 1662-9752 http://dx.doi.org/10.4028/www.scientific.net/MSF.888.435
institution Universiti Tun Hussein Onn Malaysia
building UTHM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tun Hussein Onn Malaysia
content_source UTHM Institutional Repository
url_provider http://eprints.uthm.edu.my/
language English
topic TJ Mechanical engineering and machinery
TA401-492 Materials of engineering and construction. Mechanics of materials
spellingShingle TJ Mechanical engineering and machinery
TA401-492 Materials of engineering and construction. Mechanics of materials
Ibrahim, Siti Aida
Ahmid, Muhamad Nazim
Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
description TiO2 is one of the most promising photocatalysts that is widely used for environmental clean-up due to its ability to degrade organic pollutants in air or water. The purpose of this research is to enhance the photocatalytic activity of TiO2 by absorbing energy in visible light region in order to degrade pollutants. In this study, the nanostructured Fe-TiO2 was successfully synthesised via a combined method of sol-gel and calcination process. The calcination temperatures used varied from 400°C to 800 °C. The as-prepared samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and UV-Vis spectroscopy (UV-Vis). XRD results show that the phases of TiO2 are dependent on calcination temperature. It is found that both TiO2 and Fe-TiO2 phases were transformed from anatase to rutile as the temperatures were increased. FESEM images revealed that the particle size was agglomerated and the average grain size was about 54 nm to 66 nm. UV-Vis analysis indicated that the incorporation of Fe and varied calcination temperature may affect the optical properties as the absorption profile was shifted from 445 nm to 585 nm. Thus, the results show that Fe-TiO2 is a highly potential photocatalyst to degrade pollutants under visible light irradiation.
format Article
author Ibrahim, Siti Aida
Ahmid, Muhamad Nazim
author_facet Ibrahim, Siti Aida
Ahmid, Muhamad Nazim
author_sort Ibrahim, Siti Aida
title Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
title_short Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
title_full Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
title_fullStr Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
title_full_unstemmed Influence of calcination temperature towards Fe-TiO2 for visible-driven photocatalyst
title_sort influence of calcination temperature towards fe-tio2 for visible-driven photocatalyst
publisher Trans Tech Publications
publishDate 2017
url http://eprints.uthm.edu.my/5118/1/AJ%202017%20%28271%29%20Influence%20of%20calcination%20temperature.pdf
http://eprints.uthm.edu.my/5118/
http://dx.doi.org/10.4028/www.scientific.net/MSF.888.435
_version_ 1738581339424161792
score 13.211869

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