The role of iron functionalization on the visible-light photocatalytic performance of TiO2 nanofibers suitable for environmental applications

The role of iron functionalization on the visible-light photocatalytic performance of TiO2... In the present work, iron-functionalized TiO2 nanofibers have been successfully synthesized by an electrospinning system and the resulting nanofibers were characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and ultra-violet-visible spectroscopy. Microscopic studies revealed that TiO2 nanofibers with average diameters of ~60 to 65 nm were formed during the electrospinning process while their diameters increased to ~85 to 90 nm by iron functionalization. Moreover, the photocatalytic activities of pristine and iron-functionalized TiO2 nanofibers were measured by photodegradation of methyl orange (MO) as a model dye under visible-light irradiation. It was found that iron-functionalized TiO2 nanofibers extended the light absorption spectrum toward the visible region and noticeably improved the photodegradation of MO under visible-light irradiation. Furthermore, there is an optimum amount of FeCl3 to reach to the highest photocatalytic performance of iron-functionalized TiO2 nanofibers under visible-light. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

The role of iron functionalization on the visible-light photocatalytic performance of TiO2 nanofibers suitable for environmental applications

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2595-7
Publisher site
See Article on Publisher Site

Abstract

In the present work, iron-functionalized TiO2 nanofibers have been successfully synthesized by an electrospinning system and the resulting nanofibers were characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and ultra-violet-visible spectroscopy. Microscopic studies revealed that TiO2 nanofibers with average diameters of ~60 to 65 nm were formed during the electrospinning process while their diameters increased to ~85 to 90 nm by iron functionalization. Moreover, the photocatalytic activities of pristine and iron-functionalized TiO2 nanofibers were measured by photodegradation of methyl orange (MO) as a model dye under visible-light irradiation. It was found that iron-functionalized TiO2 nanofibers extended the light absorption spectrum toward the visible region and noticeably improved the photodegradation of MO under visible-light irradiation. Furthermore, there is an optimum amount of FeCl3 to reach to the highest photocatalytic performance of iron-functionalized TiO2 nanofibers under visible-light.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jun 2, 2016

References

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