Aqueous synthesis and enhanced photocatalytic activity of ZnO/Fe2O3 heterostructures
Identifieur interne : 000322 ( Main/Exploration ); précédent : 000321; suivant : 000323Aqueous synthesis and enhanced photocatalytic activity of ZnO/Fe2O3 heterostructures
Auteurs : Faouzi Achouri [France] ; Serge Corbel [France] ; Abdelhay Aboulaich [France] ; Lavinia Balan [France] ; Ahmed Ghrabi ; Myriam Ben Said ; Raphaël Schneider [France]Source :
- Journal of Physics and Chemistry of Solids [ 0022-3697 ] ; 2014-06-02.
English descriptors
Abstract
We report a facile synthesis of ZnO/Fe2O3 heterostructures based on the hydrolysis of FeCl3 in the presence of ZnO nanoparticles. The material structure, composition, and its optical properties have been examined by means of transmission electron microscopy, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and diffuse reflectance UV-visible spectroscopy. Results obtained show that 2.9 nm-sized Fe2O3 nanoparticles produced assemble with ZnO to form ZnO/Fe2O3 heterostructures. We have evaluated the photodegradation performances of ZnO/Fe2O3 materials using salicylic acid under UV-light. ZnO/Fe2O3 heterostructures exhibited enhanced photocatalytic capabilities than commercial ZnO due to the effective electron/hole separation at the interfaces of ZnO/Fe2O3 allowing the enhanced hydroxyl and superoxide radicals production from the heterostructure.
Url:
DOI: 10.1016/j.jpcs.2014.05.013
Affiliations:
- France
- Grand Est, Lorraine (région)
- Metz, Nancy
- Centre national de la recherche scientifique, Laboratoire réactions et génie des procédés, Université de Lorraine
Links toward previous steps (curation, corpus...)
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Le document en format XML
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ENSIC, 1 rue de Grandville BP 20451, 54001 Nancy Cedex</addrLine><country key="FR"></country></address><ref type="url">http://lrgp.univ-lorraine.fr/</ref></desc><listRelation><relation active="#struct-413289" type="direct"></relation><relation name="UMR7274" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-413289" type="direct"><org type="institution" xml:id="struct-413289" status="VALID"><idno type="IdRef">157040569</idno><idno type="IdUnivLorraine">[UL]100--</idno><orgName>Université de Lorraine</orgName><orgName type="acronym">UL</orgName><date type="start">2012-01-01</date><desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-lorraine.fr/</ref></desc></org></tutelle><tutelle name="UMR7274" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author></analytic><idno type="DOI">10.1016/j.jpcs.2014.05.013</idno><series><title level="j">Journal of Physics and Chemistry of Solids</title><idno type="ISSN">0022-3697</idno><imprint><date type="datePub">2014-06-02</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>charge separation</term><term>heterostructure</term><term>iron oxide</term><term>photocatalysis</term><term>zinc oxide</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We report a facile synthesis of ZnO/Fe2O3 heterostructures based on the hydrolysis of FeCl3 in the presence of ZnO nanoparticles. The material structure, composition, and its optical properties have been examined by means of transmission electron microscopy, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and diffuse reflectance UV-visible spectroscopy. Results obtained show that 2.9 nm-sized Fe2O3 nanoparticles produced assemble with ZnO to form ZnO/Fe2O3 heterostructures. We have evaluated the photodegradation performances of ZnO/Fe2O3 materials using salicylic acid under UV-light. ZnO/Fe2O3 heterostructures exhibited enhanced photocatalytic capabilities than commercial ZnO due to the effective electron/hole separation at the interfaces of ZnO/Fe2O3 allowing the enhanced hydroxyl and superoxide radicals production from the heterostructure.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Centre national de la recherche scientifique</li><li>Laboratoire réactions et génie des procédés</li><li>Université de Lorraine</li></orgName></list><tree><noCountry><name sortKey="Ben Said, Myriam" sort="Ben Said, Myriam" uniqKey="Ben Said M" first="Myriam" last="Ben Said">Myriam Ben Said</name><name sortKey="Ghrabi, Ahmed" sort="Ghrabi, Ahmed" uniqKey="Ghrabi A" first="Ahmed" last="Ghrabi">Ahmed Ghrabi</name></noCountry><country name="France"><region name="Grand Est"><name sortKey="Achouri, Faouzi" sort="Achouri, Faouzi" uniqKey="Achouri F" first="Faouzi" last="Achouri">Faouzi Achouri</name></region><name sortKey="Aboulaich, Abdelhay" sort="Aboulaich, Abdelhay" uniqKey="Aboulaich A" first="Abdelhay" last="Aboulaich">Abdelhay Aboulaich</name><name sortKey="Balan, Lavinia" sort="Balan, Lavinia" uniqKey="Balan L" first="Lavinia" last="Balan">Lavinia Balan</name><name sortKey="Corbel, Serge" sort="Corbel, Serge" uniqKey="Corbel S" first="Serge" last="Corbel">Serge Corbel</name><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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