Multifunctional luminescent nanomaterials from NaLa(MoO4)2:Eu3+/Tb3+ with tunable decay lifetimes, emission colors, and enhanced cell viability
Identifieur interne : 000050 ( Pmc/Checkpoint ); précédent : 000049; suivant : 000051Multifunctional luminescent nanomaterials from NaLa(MoO4)2:Eu3+/Tb3+ with tunable decay lifetimes, emission colors, and enhanced cell viability
Auteurs : Mei Yang [République populaire de Chine] ; Youlong Liang [République populaire de Chine] ; Qingyuan Gui [République populaire de Chine] ; Bingxin Zhao [République populaire de Chine] ; Dayong Jin [Australie] ; Mimi Lin [République populaire de Chine] ; Lu Yan [République populaire de Chine] ; Hongpeng You [République populaire de Chine] ; Liming Dai [République populaire de Chine, États-Unis] ; Yong Liu [République populaire de Chine, Australie]Source :
- Scientific Reports [ 2045-2322 ] ; 2015.
Abstract
A facile, but effective, method has been developed for large-scale preparation of NaLa(MoO4)2 nanorods and microflowers co-doped with Eu3+ and Tb3+ ions (abbreviated as: NLM:Ln3+). The as-synthesized nanomaterials possess a pure tetragonal phase with variable morphologies from shuttle-like nanorods to microflowers by controlling the reaction temperature and the amount of ethylene glycol used. Consequently, the resulting nanomaterials exhibit superb luminescent emissions over the visible region from red through yellow to green by simply changing the relative doping ratios of Eu3+ to Tb3+ ions. Biocompatibility study indicates that the addition of NLM:Ln3+ nanomaterials can stimulate the growth of normal human retinal pigment epithelium (ARPE-19) cells. Therefore, the newly-developed NaLa(MoO4)2 nanomaterials hold potentials for a wide range of multifunctional applications, including bioimaging, security protection, optical display, optoelectronics for information storage, and cell stimulation.
Url:
DOI: 10.1038/srep11844
PubMed: 26259515
PubMed Central: 4531290
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Multifunctional luminescent nanomaterials from NaLa(MoO<sub>4</sub>)<sub>2</sub>:Eu<sup>3+</sup>/Tb<sup>3+</sup> with tunable decay lifetimes, emission colors, and enhanced cell viability</title><author><name sortKey="Yang, Mei" sort="Yang, Mei" uniqKey="Yang M" first="Mei" last="Yang">Mei Yang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liang, Youlong" sort="Liang, Youlong" uniqKey="Liang Y" first="Youlong" last="Liang">Youlong Liang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Gui, Qingyuan" sort="Gui, Qingyuan" uniqKey="Gui Q" first="Qingyuan" last="Gui">Qingyuan Gui</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Zhao, Bingxin" sort="Zhao, Bingxin" uniqKey="Zhao B" first="Bingxin" last="Zhao">Bingxin Zhao</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Jin, Dayong" sort="Jin, Dayong" uniqKey="Jin D" first="Dayong" last="Jin">Dayong Jin</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney</institution>, NSW, 2007,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Advanced Cytometry Labs, ARC Center of Excellence for Nanoscale BioPhotonics, Macquarie University</institution>, Sydney, NSW 2109,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Lin, Mimi" sort="Lin, Mimi" uniqKey="Lin M" first="Mimi" last="Lin">Mimi Lin</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Yan, Lu" sort="Yan, Lu" uniqKey="Yan L" first="Lu" last="Yan">Lu Yan</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="You, Hongpeng" sort="You, Hongpeng" uniqKey="You H" first="Hongpeng" last="You">Hongpeng You</name><affiliation wicri:level="1"><nlm:aff id="a4"><institution>State key Laboratory of Rare Earth Resource utilization Changchun Institute of Applied Chemistry, Chinese Academy of Sciences</institution>, Changchun, Jilin 130022,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Dai, Liming" sort="Dai, Liming" uniqKey="Dai L" first="Liming" last="Dai">Liming Dai</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a5"><institution>Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University</institution>, Cleveland, Ohio 44106,<country>United States</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liu, Yong" sort="Liu, Yong" uniqKey="Liu Y" first="Yong" last="Liu">Yong Liu</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Advanced Cytometry Labs, ARC Center of Excellence for Nanoscale BioPhotonics, Macquarie University</institution>, Sydney, NSW 2109,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26259515</idno><idno type="pmc">4531290</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4531290</idno><idno type="RBID">PMC:4531290</idno><idno type="doi">10.1038/srep11844</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000090</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000090</idno><idno type="wicri:Area/Pmc/Curation">000090</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000090</idno><idno type="wicri:Area/Pmc/Checkpoint">000050</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000050</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Multifunctional luminescent nanomaterials from NaLa(MoO<sub>4</sub>)<sub>2</sub>:Eu<sup>3+</sup>/Tb<sup>3+</sup> with tunable decay lifetimes, emission colors, and enhanced cell viability</title><author><name sortKey="Yang, Mei" sort="Yang, Mei" uniqKey="Yang M" first="Mei" last="Yang">Mei Yang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liang, Youlong" sort="Liang, Youlong" uniqKey="Liang Y" first="Youlong" last="Liang">Youlong Liang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Gui, Qingyuan" sort="Gui, Qingyuan" uniqKey="Gui Q" first="Qingyuan" last="Gui">Qingyuan Gui</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Zhao, Bingxin" sort="Zhao, Bingxin" uniqKey="Zhao B" first="Bingxin" last="Zhao">Bingxin Zhao</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Jin, Dayong" sort="Jin, Dayong" uniqKey="Jin D" first="Dayong" last="Jin">Dayong Jin</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney</institution>, NSW, 2007,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Advanced Cytometry Labs, ARC Center of Excellence for Nanoscale BioPhotonics, Macquarie University</institution>, Sydney, NSW 2109,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Lin, Mimi" sort="Lin, Mimi" uniqKey="Lin M" first="Mimi" last="Lin">Mimi Lin</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Yan, Lu" sort="Yan, Lu" uniqKey="Yan L" first="Lu" last="Yan">Lu Yan</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="You, Hongpeng" sort="You, Hongpeng" uniqKey="You H" first="Hongpeng" last="You">Hongpeng You</name><affiliation wicri:level="1"><nlm:aff id="a4"><institution>State key Laboratory of Rare Earth Resource utilization Changchun Institute of Applied Chemistry, Chinese Academy of Sciences</institution>, Changchun, Jilin 130022,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Dai, Liming" sort="Dai, Liming" uniqKey="Dai L" first="Liming" last="Dai">Liming Dai</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a5"><institution>Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University</institution>, Cleveland, Ohio 44106,<country>United States</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liu, Yong" sort="Liu, Yong" uniqKey="Liu Y" first="Yong" last="Liu">Yong Liu</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Advanced Cytometry Labs, ARC Center of Excellence for Nanoscale BioPhotonics, Macquarie University</institution>, Sydney, NSW 2109,<country>Australia</country></nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Scientific Reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>A facile, but effective, method has been developed for large-scale preparation of NaLa(MoO<sub>4</sub>)<sub>2</sub> nanorods and microflowers co-doped with Eu<sup>3+</sup> and Tb<sup>3+</sup> ions (abbreviated as: NLM:Ln<sup>3+</sup>). The as-synthesized nanomaterials possess a pure tetragonal phase with variable morphologies from shuttle-like nanorods to microflowers by controlling the reaction temperature and the amount of ethylene glycol used. Consequently, the resulting nanomaterials exhibit superb luminescent emissions over the visible region from red through yellow to green by simply changing the relative doping ratios of Eu<sup>3+</sup> to Tb<sup>3+</sup> ions. Biocompatibility study indicates that the addition of NLM:Ln<sup>3+</sup> nanomaterials can stimulate the growth of normal human retinal pigment epithelium (ARPE-19) cells. Therefore, the newly-developed NaLa(MoO<sub>4</sub>)<sub>2</sub> nanomaterials hold potentials for a wide range of multifunctional applications, including bioimaging, security protection, optical display, optoelectronics for information storage, and cell stimulation.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Wang, K" uniqKey="Wang K">K. Wang</name></author><author><name sortKey="He, X" uniqKey="He X">X. He</name></author><author><name sortKey="Yang, X" uniqKey="Yang X">X. Yang</name></author><author><name sortKey="Shi, H" uniqKey="Shi H">H. Shi</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kim, S" uniqKey="Kim S">S. Kim</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Larson, D R" uniqKey="Larson D">D. R. Larson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Wei, J" uniqKey="Wei J">J. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Sci Rep</journal-id><journal-id journal-id-type="iso-abbrev">Sci Rep</journal-id><journal-title-group><journal-title>Scientific Reports</journal-title></journal-title-group><issn pub-type="epub">2045-2322</issn><publisher><publisher-name>Nature Publishing Group</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26259515</article-id><article-id pub-id-type="pmc">4531290</article-id><article-id pub-id-type="pii">srep11844</article-id><article-id pub-id-type="doi">10.1038/srep11844</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Multifunctional luminescent nanomaterials from NaLa(MoO<sub>4</sub>)<sub>2</sub>:Eu<sup>3+</sup>/Tb<sup>3+</sup> with tunable decay lifetimes, emission colors, and enhanced cell viability</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Yang</surname><given-names>Mei</given-names></name><xref ref-type="aff" rid="a1">1</xref><xref ref-type="author-notes" rid="n1">*</xref></contrib><contrib contrib-type="author"><name><surname>Liang</surname><given-names>Youlong</given-names></name><xref ref-type="aff" rid="a1">1</xref><xref ref-type="author-notes" rid="n1">*</xref></contrib><contrib contrib-type="author"><name><surname>Gui</surname><given-names>Qingyuan</given-names></name><xref ref-type="aff" rid="a1">1</xref></contrib><contrib contrib-type="author"><name><surname>Zhao</surname><given-names>Bingxin</given-names></name><xref ref-type="aff" rid="a1">1</xref></contrib><contrib contrib-type="author"><name><surname>Jin</surname><given-names>Dayong</given-names></name><xref ref-type="aff" rid="a2">2</xref><xref ref-type="aff" rid="a3">3</xref></contrib><contrib contrib-type="author"><name><surname>Lin</surname><given-names>Mimi</given-names></name><xref ref-type="aff" rid="a1">1</xref></contrib><contrib contrib-type="author"><name><surname>Yan</surname><given-names>Lu</given-names></name><xref ref-type="aff" rid="a1">1</xref></contrib><contrib contrib-type="author"><name><surname>You</surname><given-names>Hongpeng</given-names></name><xref ref-type="aff" rid="a4">4</xref></contrib><contrib contrib-type="author"><name><surname>Dai</surname><given-names>Liming</given-names></name><xref ref-type="corresp" rid="c1">a</xref><xref ref-type="aff" rid="a1">1</xref><xref ref-type="aff" rid="a5">5</xref></contrib><contrib contrib-type="author"><name><surname>Liu</surname><given-names>Yong</given-names></name><xref ref-type="corresp" rid="c2">b</xref><xref ref-type="aff" rid="a1">1</xref><xref ref-type="aff" rid="a3">3</xref></contrib><aff id="a1"><label>1</label><institution>Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology & Optometry, Wenzhou Medical University</institution>, Wenzhou, Zhejiang 325027,<country>China</country></aff><aff id="a2"><label>2</label><institution>Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney</institution>, NSW, 2007,<country>Australia</country></aff><aff id="a3"><label>3</label><institution>Advanced Cytometry Labs, ARC Center of Excellence for Nanoscale BioPhotonics, Macquarie University</institution>, Sydney, NSW 2109,<country>Australia</country></aff><aff id="a4"><label>4</label><institution>State key Laboratory of Rare Earth Resource utilization Changchun Institute of Applied Chemistry, Chinese Academy of Sciences</institution>, Changchun, Jilin 130022,<country>China</country></aff><aff id="a5"><label>5</label><institution>Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University</institution>, Cleveland, Ohio 44106,<country>United States</country></aff></contrib-group><author-notes><corresp id="c1"><label>a</label><email>liming.dai@case.edu</email></corresp><corresp id="c2"><label>b</label><email>yongliu1980@hotmail.com</email></corresp><fn id="n1"><label>*</label><p>These authors contributed equally to this work.</p></fn></author-notes><pub-date pub-type="epub"><day>11</day><month>08</month><year>2015</year></pub-date><pub-date pub-type="collection"><year>2015</year></pub-date><volume>5</volume><elocation-id>11844</elocation-id><history><date date-type="received"><day>11</day><month>03</month><year>2015</year></date><date date-type="accepted"><day>04</day><month>06</month><year>2015</year></date></history><permissions><copyright-statement>Copyright © 2015, Macmillan Publishers Limited</copyright-statement><copyright-year>2015</copyright-year><copyright-holder>Macmillan Publishers Limited</copyright-holder><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0/"><pmc-comment>author-paid</pmc-comment>
<license-p>This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit <ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0/">http://creativecommons.org/licenses/by/4.0/</ext-link></license-p></license></permissions><abstract><p>A facile, but effective, method has been developed for large-scale preparation of NaLa(MoO<sub>4</sub>)<sub>2</sub> nanorods and microflowers co-doped with Eu<sup>3+</sup> and Tb<sup>3+</sup> ions (abbreviated as: NLM:Ln<sup>3+</sup>). The as-synthesized nanomaterials possess a pure tetragonal phase with variable morphologies from shuttle-like nanorods to microflowers by controlling the reaction temperature and the amount of ethylene glycol used. Consequently, the resulting nanomaterials exhibit superb luminescent emissions over the visible region from red through yellow to green by simply changing the relative doping ratios of Eu<sup>3+</sup> to Tb<sup>3+</sup> ions. Biocompatibility study indicates that the addition of NLM:Ln<sup>3+</sup> nanomaterials can stimulate the growth of normal human retinal pigment epithelium (ARPE-19) cells. Therefore, the newly-developed NaLa(MoO<sub>4</sub>)<sub>2</sub> nanomaterials hold potentials for a wide range of multifunctional applications, including bioimaging, security protection, optical display, optoelectronics for information storage, and cell stimulation.</p></abstract></article-meta></front><floats-group><fig id="f1"><label>Figure 1</label><caption><title>XRD patterns.</title><p>XRD patterns of the samples obtained at different temperatures for 10 h and the standard PDF card of tetragonal phase NLM:Ln<sup>3+</sup>(Ln<sup>3+</sup> = Eu<sup>3+</sup>,Tb<sup>3+</sup>).</p></caption><graphic xlink:href="srep11844-f1"></graphic></fig><fig id="f2"><label>Figure 2</label><caption><title>SEM micrographs and EDX spectrum.</title><p><bold>a</bold>, SEM image of the NLM:Ln<sup>3+</sup> nanomaterials obtained at 30 <sup>o</sup>C for 10 h. <bold>b,</bold> SEM image of the NLM:Ln<sup>3+</sup> nanomaterials obtained at 60 <sup>o</sup>C for 10 h. <bold>c,</bold> SEM image of the NLM:Ln<sup>3+</sup> nanomaterials obtained at 90 <sup>o</sup>C for 10 h. <bold>d</bold>, SEM image of the NLM:Ln<sup>3+</sup> nanomaterials obtained at 120 <sup>o</sup>C for 10 h. <bold>e</bold>, SEM image of the NLM:Ln<sup>3+</sup> nanomaterials obtained at150 <sup>o</sup>C for 10 h. <bold>f,</bold> EDX spectrum of the NLM:Ln<sup>3+</sup> nanomaterials prepared at 90 <sup>o</sup>C for 10 h.</p></caption><graphic xlink:href="srep11844-f2"></graphic></fig><fig id="f3"><label>Figure 3</label><caption><title>SEM micrographs of NLM:Ln<sup>3+</sup> micro/nano- materials obtained at 90 <sup>o</sup>C for 10 h with addition of various amounts of ethylene glycol.</title><p><bold>a</bold>, 0 mL. <bold>b</bold>, 10 mL. <bold>c</bold>, 20 mL. <bold>d</bold>, 25 mL. <bold>e</bold>, 30 mL. <bold>f</bold>, 40 mL.</p></caption><graphic xlink:href="srep11844-f3"></graphic></fig><fig id="f4"><label>Figure 4</label><caption><title>Fluorescence performance.</title><p><bold>a,</bold> The excitation and emission spectra of NLM:Eu<sup>3+</sup>. <bold>b,</bold> The excitation and emission spectra of NLM:Tb<sup>3+</sup>. <bold>c,</bold> The excitation and emission spectra of NLM:2% Eu<sup>3+</sup>/3% Tb<sup>3+</sup>. <bold>d,</bold> CIE chromaticity diagram for the emission spectra of the above three samples.</p></caption><graphic xlink:href="srep11844-f4"></graphic></fig><fig id="f5"><label>Figure 5</label><caption><title>Changes of fluorescence performances with various ratios of Eu<sup>3+</sup> to Tb<sup>3+</sup>.</title><p><bold>a,</bold> Photoluminescence emission spectra of the Eu<sup>3+</sup> and Tb<sup>3+</sup> co-doped NLM nanorods under the excitation at 280 nm (total concentration: 5 mol%). <bold>b,</bold> CIE chromaticity diagram for the emission spectra of the various ratios of Eu<sup>3+</sup> to Tb<sup>3+</sup> co-doped NLM nanorods (i: 5% Eu<sup>3+</sup>; ii: 4% Eu<sup>3+</sup>/1% Tb<sup>3+</sup>; iii: 3% Eu<sup>3+</sup>/2% Tb<sup>3+</sup>; iv: 2% Eu<sup>3+</sup>/3% Tb<sup>3+</sup>; v:- 1% Eu<sup>3+</sup>/4% Tb<sup>3+</sup>; vi: 5% Tb<sup>3+</sup>). <bold>c,</bold> the decay curves of Tb<sup>3+</sup> in the resulting NLM nanorods. The sample was excited at 289 nm (monitored at 544 nm).</p></caption><graphic xlink:href="srep11844-f5"></graphic></fig><fig id="f6"><label>Figure 6</label><caption><title>Simulated crystal structure.</title><p>Simulated crystal structures of tetragonal NaLa(MoO<sub>4</sub>)<sub>2</sub>with different crystal faces.</p></caption><graphic xlink:href="srep11844-f6"></graphic></fig><fig id="f7"><label>Figure 7</label><caption><title>Schematic formation of different mophorlogies.</title><p>Schematic illustration of the morphology evolution from shuttle-like nanorods to flower-like architectures.</p></caption><graphic xlink:href="srep11844-f7"></graphic></fig><fig id="f8"><label>Figure 8</label><caption><title>Cell viability of ARPE-19 cells incubated with NLM:Ln<sup>3+</sup> materials with different morphologies.</title><p><bold>a,</bold> Microrods shown in <xref ref-type="fig" rid="f3">Figure 3a</xref>. <bold>b,</bold> Micro-flowers in <xref ref-type="fig" rid="f3">Fig. 3b</xref>. <bold>c,</bold> Micro-flowers in <xref ref-type="fig" rid="f3">Fig. 3c</xref>. <bold>d,</bold> Nanorods in <xref ref-type="fig" rid="f3">Fig. 3e</xref>. <bold>e,</bold> Nanorods in <xref ref-type="fig" rid="f3">Fig. 3f</xref>.</p></caption><graphic xlink:href="srep11844-f8"></graphic></fig></floats-group></pmc><affiliations><list><country><li>Australie</li><li>République populaire de Chine</li><li>États-Unis</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Yang, Mei" sort="Yang, Mei" uniqKey="Yang M" first="Mei" last="Yang">Mei Yang</name></noRegion><name sortKey="Dai, Liming" sort="Dai, Liming" uniqKey="Dai L" first="Liming" last="Dai">Liming Dai</name><name sortKey="Gui, Qingyuan" sort="Gui, Qingyuan" uniqKey="Gui Q" first="Qingyuan" last="Gui">Qingyuan Gui</name><name sortKey="Liang, Youlong" sort="Liang, Youlong" uniqKey="Liang Y" first="Youlong" last="Liang">Youlong Liang</name><name sortKey="Lin, Mimi" sort="Lin, Mimi" uniqKey="Lin M" first="Mimi" last="Lin">Mimi Lin</name><name sortKey="Liu, Yong" sort="Liu, Yong" uniqKey="Liu Y" first="Yong" last="Liu">Yong Liu</name><name sortKey="Yan, Lu" sort="Yan, Lu" uniqKey="Yan L" first="Lu" last="Yan">Lu Yan</name><name sortKey="You, Hongpeng" sort="You, Hongpeng" uniqKey="You H" first="Hongpeng" last="You">Hongpeng You</name><name sortKey="Zhao, Bingxin" sort="Zhao, Bingxin" uniqKey="Zhao B" first="Bingxin" last="Zhao">Bingxin Zhao</name></country><country name="Australie"><noRegion><name sortKey="Jin, Dayong" sort="Jin, Dayong" uniqKey="Jin D" first="Dayong" last="Jin">Dayong Jin</name></noRegion><name sortKey="Jin, Dayong" sort="Jin, Dayong" uniqKey="Jin D" first="Dayong" last="Jin">Dayong Jin</name><name sortKey="Liu, Yong" sort="Liu, Yong" uniqKey="Liu Y" first="Yong" last="Liu">Yong Liu</name></country><country name="États-Unis"><noRegion><name sortKey="Dai, Liming" sort="Dai, Liming" uniqKey="Dai L" first="Liming" last="Dai">Liming Dai</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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