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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">A facile method for the preparation of bifunctional Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> magnetic and fluorescent nanocrystals</title><author><name sortKey="Labiadh, Houcine" sort="Labiadh, Houcine" uniqKey="Labiadh H" first="Houcine" last="Labiadh">Houcine Labiadh</name><affiliation><nlm:aff id="A1">Unité de Recherche Synthèse et Structure de Nanomatériaux UR 11 ES 30, Université de Carthage, Faculté des Sciences de Bizerte, 7021 Jarzouna, Bizerte, Tunisia</nlm:aff></affiliation></author><author><name sortKey="Ben Chaabane, Tahar" sort="Ben Chaabane, Tahar" uniqKey="Ben Chaabane T" first="Tahar" last="Ben Chaabane">Tahar Ben Chaabane</name><affiliation><nlm:aff id="A1">Unité de Recherche Synthèse et Structure de Nanomatériaux UR 11 ES 30, Université de Carthage, Faculté des Sciences de Bizerte, 7021 Jarzouna, Bizerte, Tunisia</nlm:aff></affiliation></author><author><name sortKey="Sibille, Romain" sort="Sibille, Romain" uniqKey="Sibille R" first="Romain" last="Sibille">Romain Sibille</name><affiliation><nlm:aff id="A2">Institut Jean Lamour (IJL), Université de Lorraine, CNRS, UMR 7198, CNRS, BP 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France</nlm:aff></affiliation></author><author><name sortKey="Balan, Lavinia" sort="Balan, Lavinia" uniqKey="Balan L" first="Lavinia" last="Balan">Lavinia Balan</name><affiliation><nlm:aff id="A3">Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, UMR 7361, 15 rue Jean Starcky, 68093 Mulhouse, France,</nlm:aff></affiliation></author><author><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name><affiliation><nlm:aff id="A4">Université de Lorraine, Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, CNRS, 1 rue Grandville, BP 20451, 54001 Nancy Cedex, France</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26425426</idno><idno type="pmc">4578387</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4578387</idno><idno type="RBID">PMC:4578387</idno><idno type="doi">10.3762/bjnano.6.178</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000001</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000001</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">A facile method for the preparation of bifunctional Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> magnetic and fluorescent nanocrystals</title><author><name sortKey="Labiadh, Houcine" sort="Labiadh, Houcine" uniqKey="Labiadh H" first="Houcine" last="Labiadh">Houcine Labiadh</name><affiliation><nlm:aff id="A1">Unité de Recherche Synthèse et Structure de Nanomatériaux UR 11 ES 30, Université de Carthage, Faculté des Sciences de Bizerte, 7021 Jarzouna, Bizerte, Tunisia</nlm:aff></affiliation></author><author><name sortKey="Ben Chaabane, Tahar" sort="Ben Chaabane, Tahar" uniqKey="Ben Chaabane T" first="Tahar" last="Ben Chaabane">Tahar Ben Chaabane</name><affiliation><nlm:aff id="A1">Unité de Recherche Synthèse et Structure de Nanomatériaux UR 11 ES 30, Université de Carthage, Faculté des Sciences de Bizerte, 7021 Jarzouna, Bizerte, Tunisia</nlm:aff></affiliation></author><author><name sortKey="Sibille, Romain" sort="Sibille, Romain" uniqKey="Sibille R" first="Romain" last="Sibille">Romain Sibille</name><affiliation><nlm:aff id="A2">Institut Jean Lamour (IJL), Université de Lorraine, CNRS, UMR 7198, CNRS, BP 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France</nlm:aff></affiliation></author><author><name sortKey="Balan, Lavinia" sort="Balan, Lavinia" uniqKey="Balan L" first="Lavinia" last="Balan">Lavinia Balan</name><affiliation><nlm:aff id="A3">Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, UMR 7361, 15 rue Jean Starcky, 68093 Mulhouse, France,</nlm:aff></affiliation></author><author><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name><affiliation><nlm:aff id="A4">Université de Lorraine, Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, CNRS, 1 rue Grandville, BP 20451, 54001 Nancy Cedex, France</nlm:aff></affiliation></author></analytic><series><title level="j">Beilstein Journal of Nanotechnology</title><idno type="eISSN">2190-4286</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Summary</title><p>Bifunctional magnetic and fluorescent core/shell/shell Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> nanocrystals were synthesized in a basic aqueous solution using 3-mercaptopropionic acid (MPA) as a capping ligand. The structural and optical properties of the heterostructures were characterized by X-ray diffraction (XRD), dynamic light scattering (DLS), transmission electron microscopy (TEM), UV–vis spectroscopy and photoluminescence (PL) spectroscopy. The PL spectra of Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> quantum dots (QDs) showed marked visible emission around 584 nm related to the <sup>4</sup>T<sub>1</sub> → <sup>6</sup>A<sub>1</sub> Mn<sup>2+</sup> transition. The PL quantum yield (QY) and the remnant magnetization can be regulated by varying the thickness of the magnetic shell. The results showed that an increase in the thickness of the Fe<sub>3</sub>O<sub>4</sub> magnetite layer around the Mn:ZnS/ZnS core reduced the PL QY but improved the magnetic properties of the composites. Nevertheless, a good compromise was achieved in order to maintain the dual modality of the nanocrystals, which may be promising candidates for various biological applications.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Beilstein J Nanotechnol</journal-id><journal-id journal-id-type="iso-abbrev">Beilstein J Nanotechnol</journal-id><journal-title-group><journal-title>Beilstein Journal of Nanotechnology</journal-title></journal-title-group><issn pub-type="epub">2190-4286</issn><publisher><publisher-name>Beilstein-Institut</publisher-name><publisher-loc>Trakehner Str. 7-9, 60487 Frankfurt am Main, Germany</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26425426</article-id><article-id pub-id-type="pmc">4578387</article-id><article-id pub-id-type="doi">10.3762/bjnano.6.178</article-id><article-categories><subj-group subj-group-type="heading"><subject>Full Research Paper</subject></subj-group><subj-group subj-group-type="topic"><subject>Nanoscience</subject></subj-group><subj-group subj-group-type="topic"><subject>Nanotechnology</subject></subj-group></article-categories><title-group><article-title>A facile method for the preparation of bifunctional Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> magnetic and fluorescent nanocrystals</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Labiadh</surname><given-names>Houcine</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author"><name><surname>Ben Chaabane</surname><given-names>Tahar</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author"><name><surname>Sibille</surname><given-names>Romain</given-names></name><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Balan</surname><given-names>Lavinia</given-names></name><xref ref-type="aff" rid="A3">3</xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Schneider</surname><given-names>Raphaël</given-names></name><email>raphael.schneider@univ-lorraine.fr</email><xref ref-type="aff" rid="A4">4</xref></contrib></contrib-group><contrib-group><contrib contrib-type="editor"><name><surname>Schneider</surname><given-names>Jörg J</given-names></name><role>Associate Editor</role></contrib></contrib-group><aff id="A1"><label>1</label>Unité de Recherche Synthèse et Structure de Nanomatériaux UR 11 ES 30, Université de Carthage, Faculté des Sciences de Bizerte, 7021 Jarzouna, Bizerte, Tunisia</aff><aff id="A2"><label>2</label>Institut Jean Lamour (IJL), Université de Lorraine, CNRS, UMR 7198, CNRS, BP 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France</aff><aff id="A3"><label>3</label>Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, UMR 7361, 15 rue Jean Starcky, 68093 Mulhouse, France,</aff><aff id="A4"><label>4</label>Université de Lorraine, Laboratoire Réactions et Génie des Procédés (LRGP), UMR 7274, CNRS, 1 rue Grandville, BP 20451, 54001 Nancy Cedex, France</aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>17</day><month>8</month><year>2015</year></pub-date><volume>6</volume><fpage>1743</fpage><lpage>1751</lpage><ext-link ext-link-type="doi" xlink:href="10.3762/bjnano.6.178">10.3762/bjnano.6.178</ext-link><history><date date-type="received"><day>5</day><month>5</month><year>2015</year></date><date date-type="accepted"><day>25</day><month>7</month><year>2015</year></date></history><permissions><copyright-statement>Copyright © 2015, Labiadh et al; licensee Beilstein-Institut.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder>Labiadh et al; licensee Beilstein-Institut.</copyright-holder><license license-type="Beilstein" xlink:href="http://www.beilstein-journals.org/bjnano"><license-p>This is an Open Access article under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0">http://creativecommons.org/licenses/by/2.0</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p><license-p>The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (<ext-link ext-link-type="uri" xlink:href="http://www.beilstein-journals.org/bjnano">http://www.beilstein-journals.org/bjnano</ext-link>)</license-p></license></permissions><abstract><title>Summary</title><p>Bifunctional magnetic and fluorescent core/shell/shell Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> nanocrystals were synthesized in a basic aqueous solution using 3-mercaptopropionic acid (MPA) as a capping ligand. The structural and optical properties of the heterostructures were characterized by X-ray diffraction (XRD), dynamic light scattering (DLS), transmission electron microscopy (TEM), UV–vis spectroscopy and photoluminescence (PL) spectroscopy. The PL spectra of Mn:ZnS/ZnS/Fe<sub>3</sub>O<sub>4</sub> quantum dots (QDs) showed marked visible emission around 584 nm related to the <sup>4</sup>T<sub>1</sub> → <sup>6</sup>A<sub>1</sub> Mn<sup>2+</sup> transition. The PL quantum yield (QY) and the remnant magnetization can be regulated by varying the thickness of the magnetic shell. The results showed that an increase in the thickness of the Fe<sub>3</sub>O<sub>4</sub> magnetite layer around the Mn:ZnS/ZnS core reduced the PL QY but improved the magnetic properties of the composites. Nevertheless, a good compromise was achieved in order to maintain the dual modality of the nanocrystals, which may be promising candidates for various biological applications.</p></abstract><abstract abstract-type="graphical"><p><disp-formula id="graphical-abstract"><graphic xlink:href="Beilstein_J_Nanotechnol-06-1743-g001.jpg" position="float" orientation="portrait"></graphic></disp-formula></p></abstract><kwd-group kwd-group-type="author"><kwd>aqueous synthesis</kwd><kwd>bifunctional nanocrystals</kwd><kwd>magnetite</kwd><kwd>Mn-doped ZnS</kwd><kwd>quantum dots</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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