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Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis

Virginia Gomez Orcid Logo, Joseph C. Bear, Paul D. McNaughter, James McGettrick Orcid Logo, Trystan Watson Orcid Logo, Cecile Charbonneau Orcid Logo, Paul O'Brien, Andrew Barron Orcid Logo, Charlie Dunnill Orcid Logo

Nanoscale, Volume: 7, Issue: 42, Pages: 17735 - 17744

Swansea University Authors: Virginia Gomez Orcid Logo, James McGettrick Orcid Logo, Trystan Watson Orcid Logo, Cecile Charbonneau Orcid Logo, Andrew Barron Orcid Logo, Charlie Dunnill Orcid Logo

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DOI (Published version): 10.1039/c5nr06025g

Abstract

Bi-phasic or multi-phasic composite nanoparticles for use in photocatalysis have been produced by a new synthetic approach. Sol–gel methods are used to deposit multiple layers of active material onto soluble substrates. In this work, a layer of rutile (TiO2) was deposited onto sodium chloride pellet...

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Published in: Nanoscale
ISSN: 2040-3364
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa26175
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spelling 2022-12-06T16:46:50.7205031 v2 26175 2016-02-12 Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis 2b0a7a13d79d306b3e0be7d30df54844 0000-0002-7846-9066 Virginia Gomez Virginia Gomez true false bdbacc591e2de05180e0fd3cc13fa480 0000-0002-7719-2958 James McGettrick James McGettrick true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 4dc059714847cb22ed922ab058950560 0000-0001-9887-2007 Cecile Charbonneau Cecile Charbonneau true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 0c4af8958eda0d2e914a5edc3210cd9e 0000-0003-4052-6931 Charlie Dunnill Charlie Dunnill true false 2016-02-12 EEN Bi-phasic or multi-phasic composite nanoparticles for use in photocatalysis have been produced by a new synthetic approach. Sol–gel methods are used to deposit multiple layers of active material onto soluble substrates. In this work, a layer of rutile (TiO2) was deposited onto sodium chloride pellets followed by an annealing step and a layer of anatase. After dissolving the substrate, bi-phasic nanoparticles containing half anatase and half rutile TiO2; with “Janus-like” characteristics are obtained. Nitrogen and neodymium doping of the materials were observed to enhance the photocatalytic properties both under UV and white light irradiation. The unique advantage of this synthetic method is the ability to systematically dope separate sides of the nanoparticles. Nitrogen doping was found to be most effective on the anatase side of the nanoparticle while neodymium was found to be most effective on the rutile side. Rhodamine B dye was effectively photodegraded by co-doped particles under white light. Journal Article Nanoscale 7 42 17735 17744 2040-3364 31 12 2015 2015-12-31 10.1039/c5nr06025g COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2022-12-06T16:46:50.7205031 2016-02-12T15:53:34.3353693 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Virginia Gomez 0000-0002-7846-9066 1 Joseph C. Bear 2 Paul D. McNaughter 3 James McGettrick 0000-0002-7719-2958 4 Trystan Watson 0000-0002-8015-1436 5 Cecile Charbonneau 0000-0001-9887-2007 6 Paul O'Brien 7 Andrew Barron 0000-0002-2018-8288 8 Charlie Dunnill 0000-0003-4052-6931 9
title Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
spellingShingle Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
Virginia Gomez
James McGettrick
Trystan Watson
Cecile Charbonneau
Andrew Barron
Charlie Dunnill
title_short Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
title_full Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
title_fullStr Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
title_full_unstemmed Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
title_sort Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis
author_id_str_mv 2b0a7a13d79d306b3e0be7d30df54844
bdbacc591e2de05180e0fd3cc13fa480
a210327b52472cfe8df9b8108d661457
4dc059714847cb22ed922ab058950560
92e452f20936d688d36f91c78574241d
0c4af8958eda0d2e914a5edc3210cd9e
author_id_fullname_str_mv 2b0a7a13d79d306b3e0be7d30df54844_***_Virginia Gomez
bdbacc591e2de05180e0fd3cc13fa480_***_James McGettrick
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
4dc059714847cb22ed922ab058950560_***_Cecile Charbonneau
92e452f20936d688d36f91c78574241d_***_Andrew Barron
0c4af8958eda0d2e914a5edc3210cd9e_***_Charlie Dunnill
author Virginia Gomez
James McGettrick
Trystan Watson
Cecile Charbonneau
Andrew Barron
Charlie Dunnill
author2 Virginia Gomez
Joseph C. Bear
Paul D. McNaughter
James McGettrick
Trystan Watson
Cecile Charbonneau
Paul O'Brien
Andrew Barron
Charlie Dunnill
format Journal article
container_title Nanoscale
container_volume 7
container_issue 42
container_start_page 17735
publishDate 2015
institution Swansea University
issn 2040-3364
doi_str_mv 10.1039/c5nr06025g
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
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description Bi-phasic or multi-phasic composite nanoparticles for use in photocatalysis have been produced by a new synthetic approach. Sol–gel methods are used to deposit multiple layers of active material onto soluble substrates. In this work, a layer of rutile (TiO2) was deposited onto sodium chloride pellets followed by an annealing step and a layer of anatase. After dissolving the substrate, bi-phasic nanoparticles containing half anatase and half rutile TiO2; with “Janus-like” characteristics are obtained. Nitrogen and neodymium doping of the materials were observed to enhance the photocatalytic properties both under UV and white light irradiation. The unique advantage of this synthetic method is the ability to systematically dope separate sides of the nanoparticles. Nitrogen doping was found to be most effective on the anatase side of the nanoparticle while neodymium was found to be most effective on the rutile side. Rhodamine B dye was effectively photodegraded by co-doped particles under white light.
published_date 2015-12-31T03:31:18Z
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score 11.017797

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