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

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 mo...

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Autores principales:	Daniel R. Jones, Virginia Gomez, Joseph C. Bear, Bertrand Rome, Francesco Mazzali, James D. McGettrick, Aled R. Lewis, Serena Margadonna, Waheed A. Al-Masry, Charles W. Dunnill
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cad439e0e9064ac8a8ecc0b2e1386d53
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spelling	oai:doaj.org-article:cad439e0e9064ac8a8ecc0b2e1386d532021-12-02T16:06:30ZActive removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres10.1038/s41598-017-04240-42045-2322https://doaj.org/article/cad439e0e9064ac8a8ecc0b2e1386d532017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04240-4https://doaj.org/toc/2045-2322Abstract 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.Daniel R. JonesVirginia GomezJoseph C. BearBertrand RomeFrancesco MazzaliJames D. McGettrickAled R. LewisSerena MargadonnaWaheed A. Al-MasryCharles W. DunnillNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-16 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Daniel R. Jones Virginia Gomez Joseph C. Bear Bertrand Rome Francesco Mazzali James D. McGettrick Aled R. Lewis Serena Margadonna Waheed A. Al-Masry Charles W. Dunnill Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
description	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 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.
format	article
author	Daniel R. Jones Virginia Gomez Joseph C. Bear Bertrand Rome Francesco Mazzali James D. McGettrick Aled R. Lewis Serena Margadonna Waheed A. Al-Masry Charles W. Dunnill
author_facet	Daniel R. Jones Virginia Gomez Joseph C. Bear Bertrand Rome Francesco Mazzali James D. McGettrick Aled R. Lewis Serena Margadonna Waheed A. Al-Masry Charles W. Dunnill
author_sort	Daniel R. Jones
title	Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres
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
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cad439e0e9064ac8a8ecc0b2e1386d53
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Active removal of waste dye pollutants using Ta3N5/W18O49 nanocomposite fibres

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