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Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres

Daniel Jones, Virginia Gomez Orcid Logo, Joseph C. Bear, Bertrand Rome, Francesco Mazzali, James McGettrick Orcid Logo, Aled R. Lewis, Serena Margadonna Orcid Logo, Waheed A. Al-Masry, Charlie Dunnill Orcid Logo

Scientific Reports, Volume: 7, Issue: 1

Swansea University Authors: Daniel Jones , Virginia Gomez , James McGettrick , Serena Margadonna , Charlie Dunnill

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Abstract

A scalable solvothermal technique is reported for the synthesis of a photocatalytic composite material consisting of orthorhombic Ta3N5 nanoparticles and WOx≤3 nanowires. Through X-ray diffraction and X-ray photoelectron spectroscopy, the as-grown tungsten(VI) sub-oxide was identified as monoclinic...

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Published in: Scientific Reports
ISSN: 2045-2322 2045-2322
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34442
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Through X-ray diffraction and X-ray photoelectron spectroscopy, the as-grown tungsten(VI) sub-oxide was identified as monoclinic W18O49. The composite material catalysed the degradation of Rhodamine B at over double the rate of the Ta3N5 nanoparticles alone under illumination by white light, and continued to exhibit superior catalytic properties following recycling of the catalysts. Moreover, strong molecular adsorption of the dye to the W18O49 component of the composite resulted in near-complete decolourisation of the solution prior to light exposure. The radical species involved within the photocatalytic mechanisms were also explored through use of scavenger reagents. Our research demonstrates the exciting potential of this novel photocatalyst for the degradation of organic contaminants, and to the authors&#x2019; knowledge the material has not been investigated previously. 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spelling 2021-01-14T12:49:36.3546492 v2 34442 2017-06-23 Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres 88aaf2ee4c51d4405ef7f81e2e8f7bdb Daniel Jones Daniel Jones true false 2b0a7a13d79d306b3e0be7d30df54844 0000-0002-7846-9066 Virginia Gomez Virginia Gomez true false bdbacc591e2de05180e0fd3cc13fa480 0000-0002-7719-2958 James McGettrick James McGettrick true false e31904a10b1b1240b98ab52d9977dfbe 0000-0002-6996-6562 Serena Margadonna Serena Margadonna true false 0c4af8958eda0d2e914a5edc3210cd9e 0000-0003-4052-6931 Charlie Dunnill Charlie Dunnill true false 2017-06-23 MECH A scalable solvothermal technique is reported for the synthesis of a photocatalytic composite material consisting of orthorhombic Ta3N5 nanoparticles and WOx≤3 nanowires. Through X-ray diffraction and X-ray photoelectron spectroscopy, the as-grown tungsten(VI) sub-oxide was identified as monoclinic W18O49. The composite material catalysed the degradation of Rhodamine B at over double the rate of the Ta3N5 nanoparticles alone under illumination by white light, and continued to exhibit superior catalytic properties following recycling of the catalysts. Moreover, strong molecular adsorption of the dye to the W18O49 component of the composite resulted in near-complete decolourisation of the solution prior to light exposure. The radical species involved within the photocatalytic mechanisms were also explored through use of scavenger reagents. Our research demonstrates the exciting potential of this novel photocatalyst for the degradation of organic contaminants, and to the authors’ knowledge the material has not been investigated previously. In addition, the simplicity of the synthesis process indicates that the material is a viable candidate for the scale-up and removal of dye pollutants on a wider scale. Journal Article Scientific Reports 7 1 2045-2322 2045-2322 Nanowires, Photocatalysis 1 12 2017 2017-12-01 10.1038/s41598-017-04240-4 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2021-01-14T12:49:36.3546492 2017-06-23T08:44:11.8391970 Daniel Jones 1 Virginia Gomez 0000-0002-7846-9066 2 Joseph C. Bear 3 Bertrand Rome 4 Francesco Mazzali 5 James McGettrick 0000-0002-7719-2958 6 Aled R. Lewis 7 Serena Margadonna 0000-0002-6996-6562 8 Waheed A. Al-Masry 9 Charlie Dunnill 0000-0003-4052-6931 10 0034442-23062017084604.pdf jones2017(2).pdf 2017-06-23T08:46:04.9570000 Output 2714972 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
spellingShingle Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
Daniel, Jones
Virginia, Gomez
James, McGettrick
Serena, Margadonna
Charlie, Dunnill
title_short Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
title_full Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
title_fullStr Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
title_full_unstemmed Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
title_sort Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
author_id_str_mv 88aaf2ee4c51d4405ef7f81e2e8f7bdb
2b0a7a13d79d306b3e0be7d30df54844
bdbacc591e2de05180e0fd3cc13fa480
e31904a10b1b1240b98ab52d9977dfbe
0c4af8958eda0d2e914a5edc3210cd9e
author_id_fullname_str_mv 88aaf2ee4c51d4405ef7f81e2e8f7bdb_***_Daniel, Jones
2b0a7a13d79d306b3e0be7d30df54844_***_Virginia, Gomez
bdbacc591e2de05180e0fd3cc13fa480_***_James, McGettrick
e31904a10b1b1240b98ab52d9977dfbe_***_Serena, Margadonna
0c4af8958eda0d2e914a5edc3210cd9e_***_Charlie, Dunnill
author Daniel, Jones
Virginia, Gomez
James, McGettrick
Serena, Margadonna
Charlie, Dunnill
author2 Daniel Jones
Virginia Gomez
Joseph C. Bear
Bertrand Rome
Francesco Mazzali
James McGettrick
Aled R. Lewis
Serena Margadonna
Waheed A. Al-Masry
Charlie Dunnill
format Journal article
container_title Scientific Reports
container_volume 7
container_issue 1
publishDate 2017
institution Swansea University
issn 2045-2322
2045-2322
doi_str_mv 10.1038/s41598-017-04240-4
document_store_str 1
active_str 0
description A scalable solvothermal technique is reported for the synthesis of a photocatalytic composite material consisting of orthorhombic Ta3N5 nanoparticles and WOx≤3 nanowires. Through X-ray diffraction and X-ray photoelectron spectroscopy, the as-grown tungsten(VI) sub-oxide was identified as monoclinic W18O49. The composite material catalysed the degradation of Rhodamine B at over double the rate of the Ta3N5 nanoparticles alone under illumination by white light, and continued to exhibit superior catalytic properties following recycling of the catalysts. Moreover, strong molecular adsorption of the dye to the W18O49 component of the composite resulted in near-complete decolourisation of the solution prior to light exposure. The radical species involved within the photocatalytic mechanisms were also explored through use of scavenger reagents. Our research demonstrates the exciting potential of this novel photocatalyst for the degradation of organic contaminants, and to the authors’ knowledge the material has not been investigated previously. In addition, the simplicity of the synthesis process indicates that the material is a viable candidate for the scale-up and removal of dye pollutants on a wider scale.
published_date 2017-12-01T03:54:28Z
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score 10.853168