White light upconversion in Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals: the effect of Eu incorporation.
Identifieur interne : 000126 ( PubMed/Checkpoint ); précédent : 000125; suivant : 000127White light upconversion in Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals: the effect of Eu incorporation.
Auteurs : E W Barrera [Espagne] ; M C Pujol ; J J Carvajal ; X. Mateos ; Rosa Solé ; J. Massons ; A. Speghini ; M. Bettinelli ; C. Cascales ; M. Aguil ; F. DíazSource :
- Physical chemistry chemical physics : PCCP [ 1463-9084 ] ; 2014.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Europium, Holmium, Lutetium, Thulium, Tungsten, Ytterbium.
- chemistry : Nanoparticles.
- Light, Particle Size.
Abstract
Monoclinic Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals of ~100 nm size have been synthesized by the modified Pechini sol-gel method. Their diode laser near-infrared (~980 nm) excited upconversion emission properties have been characterized at power densities in the range 30-355 W cm(-2). Bright white light composed of blue ~475 nm, green ~540 nm, and red ~650 nm emissions, corresponding to Tm(3+ 1)G4 → (3)H6, Ho(3+ 5)S2, (5)F4 → (5)I8, and Ho(3+ 5)F5 → (5)I8 electronic transitions, respectively, was generated by adjusting the Yb, Tm, and Ho contents in KLu(WO4)2 nanocrystalline samples. Chromaticity coordinates of the emitted white light can be tuned by modifying the excitation power density. The effect of Tm and Ho on the luminescence dynamics has been described by analyzing the upconverted emission intensity dependence on the excitation power, as well as from Stokes and decay time measurements. The effect on upconversion properties of further codoping with Eu in these (Tm, Ho, Yb)-doped KLu(WO4)2 nanocrystals has also been studied.
DOI: 10.1039/c3cp53847h
PubMed: 24322200
Affiliations:
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Mateos</name></author><author><name sortKey="Sole, Rosa" sort="Sole, Rosa" uniqKey="Sole R" first="Rosa" last="Solé">Rosa Solé</name></author><author><name sortKey="Massons, J" sort="Massons, J" uniqKey="Massons J" first="J" last="Massons">J. Massons</name></author><author><name sortKey="Speghini, A" sort="Speghini, A" uniqKey="Speghini A" first="A" last="Speghini">A. Speghini</name></author><author><name sortKey="Bettinelli, M" sort="Bettinelli, M" uniqKey="Bettinelli M" first="M" last="Bettinelli">M. Bettinelli</name></author><author><name sortKey="Cascales, C" sort="Cascales, C" uniqKey="Cascales C" first="C" last="Cascales">C. Cascales</name></author><author><name sortKey="Aguil, M" sort="Aguil, M" uniqKey="Aguil M" first="M" last="Aguil">M. Aguil</name></author><author><name sortKey="Diaz, F" sort="Diaz, F" uniqKey="Diaz F" first="F" last="Díaz">F. Díaz</name></author></analytic><series><title level="j">Physical chemistry chemical physics : PCCP</title><idno type="eISSN">1463-9084</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Europium (chemistry)</term><term>Holmium (chemistry)</term><term>Light</term><term>Lutetium (chemistry)</term><term>Nanoparticles (chemistry)</term><term>Particle Size</term><term>Thulium (chemistry)</term><term>Tungsten (chemistry)</term><term>Ytterbium (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Europium ()</term><term>Holmium ()</term><term>Lumière</term><term>Lutétium ()</term><term>Nanoparticules ()</term><term>Taille de particule</term><term>Thulium ()</term><term>Tungstène ()</term><term>Ytterbium ()</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Europium</term><term>Holmium</term><term>Lutetium</term><term>Thulium</term><term>Tungsten</term><term>Ytterbium</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Nanoparticles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Light</term><term>Particle Size</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Europium</term><term>Holmium</term><term>Lumière</term><term>Lutétium</term><term>Nanoparticules</term><term>Taille de particule</term><term>Thulium</term><term>Tungstène</term><term>Ytterbium</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Monoclinic Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals of ~100 nm size have been synthesized by the modified Pechini sol-gel method. Their diode laser near-infrared (~980 nm) excited upconversion emission properties have been characterized at power densities in the range 30-355 W cm(-2). Bright white light composed of blue ~475 nm, green ~540 nm, and red ~650 nm emissions, corresponding to Tm(3+ 1)G4 → (3)H6, Ho(3+ 5)S2, (5)F4 → (5)I8, and Ho(3+ 5)F5 → (5)I8 electronic transitions, respectively, was generated by adjusting the Yb, Tm, and Ho contents in KLu(WO4)2 nanocrystalline samples. Chromaticity coordinates of the emitted white light can be tuned by modifying the excitation power density. The effect of Tm and Ho on the luminescence dynamics has been described by analyzing the upconverted emission intensity dependence on the excitation power, as well as from Stokes and decay time measurements. The effect on upconversion properties of further codoping with Eu in these (Tm, Ho, Yb)-doped KLu(WO4)2 nanocrystals has also been studied.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">24322200</PMID><DateCreated><Year>2013</Year><Month>12</Month><Day>19</Day></DateCreated><DateCompleted><Year>2014</Year><Month>09</Month><Day>29</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1463-9084</ISSN><JournalIssue CitedMedium="Internet"><Volume>16</Volume><Issue>4</Issue><PubDate><Year>2014</Year><Month>Jan</Month><Day>28</Day></PubDate></JournalIssue><Title>Physical chemistry chemical physics : PCCP</Title><ISOAbbreviation>Phys Chem Chem Phys</ISOAbbreviation></Journal><ArticleTitle>White light upconversion in Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals: the effect of Eu incorporation.</ArticleTitle><Pagination><MedlinePgn>1679-86</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1039/c3cp53847h</ELocationID><Abstract><AbstractText>Monoclinic Yb-sensitized (Tm, Ho)-doped KLu(WO4)2 nanocrystals of ~100 nm size have been synthesized by the modified Pechini sol-gel method. Their diode laser near-infrared (~980 nm) excited upconversion emission properties have been characterized at power densities in the range 30-355 W cm(-2). Bright white light composed of blue ~475 nm, green ~540 nm, and red ~650 nm emissions, corresponding to Tm(3+ 1)G4 → (3)H6, Ho(3+ 5)S2, (5)F4 → (5)I8, and Ho(3+ 5)F5 → (5)I8 electronic transitions, respectively, was generated by adjusting the Yb, Tm, and Ho contents in KLu(WO4)2 nanocrystalline samples. Chromaticity coordinates of the emitted white light can be tuned by modifying the excitation power density. The effect of Tm and Ho on the luminescence dynamics has been described by analyzing the upconverted emission intensity dependence on the excitation power, as well as from Stokes and decay time measurements. The effect on upconversion properties of further codoping with Eu in these (Tm, Ho, Yb)-doped KLu(WO4)2 nanocrystals has also been studied.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Barrera</LastName><ForeName>E W</ForeName><Initials>EW</Initials><AffiliationInfo><Affiliation>Física i Cristal·lografia de Materials i Nanomaterials (FiCMA-FiCNA)-EMAS, Universitat Rovira i Virgili (URV), Campus Sescelades, c/ Marcel·lí Domingo, s/n, E-43007 Tarragona, Spain. mariacinta.pujol@urv.cat.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pujol</LastName><ForeName>M C</ForeName><Initials>MC</Initials></Author><Author ValidYN="Y"><LastName>Carvajal</LastName><ForeName>J J</ForeName><Initials>JJ</Initials></Author><Author ValidYN="Y"><LastName>Mateos</LastName><ForeName>X</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Solé</LastName><ForeName>Rosa</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Massons</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Speghini</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Bettinelli</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Cascales</LastName><ForeName>C</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Aguiló</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Díaz</LastName><ForeName>F</ForeName><Initials>F</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Phys Chem Chem Phys</MedlineTA><NlmUniqueID>100888160</NlmUniqueID><ISSNLinking>1463-9076</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>444W947O8O</RegistryNumber><NameOfSubstance UI="D005063">Europium</NameOfSubstance></Chemical><Chemical><RegistryNumber>5H0DOZ21UJ</RegistryNumber><NameOfSubstance UI="D008187">Lutetium</NameOfSubstance></Chemical><Chemical><RegistryNumber>8RKC5ATI4P</RegistryNumber><NameOfSubstance UI="D013932">Thulium</NameOfSubstance></Chemical><Chemical><RegistryNumber>MNQ4O4WSI1</RegistryNumber><NameOfSubstance UI="D015018">Ytterbium</NameOfSubstance></Chemical><Chemical><RegistryNumber>V9306CXO6G</RegistryNumber><NameOfSubstance UI="D014414">Tungsten</NameOfSubstance></Chemical><Chemical><RegistryNumber>W1XX32SQN1</RegistryNumber><NameOfSubstance UI="D006695">Holmium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005063">Europium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006695">Holmium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D008027">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008187">Lutetium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D053758">Nanoparticles</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010316">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013932">Thulium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014414">Tungsten</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D015018">Ytterbium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>12</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>12</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>9</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1039/c3cp53847h</ArticleId><ArticleId IdType="pubmed">24322200</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country></list><tree><noCountry><name sortKey="Aguil, M" sort="Aguil, M" uniqKey="Aguil M" first="M" last="Aguil">M. Aguil</name><name sortKey="Bettinelli, M" sort="Bettinelli, M" uniqKey="Bettinelli M" first="M" last="Bettinelli">M. Bettinelli</name><name sortKey="Carvajal, J J" sort="Carvajal, J J" uniqKey="Carvajal J" first="J J" last="Carvajal">J J Carvajal</name><name sortKey="Cascales, C" sort="Cascales, C" uniqKey="Cascales C" first="C" last="Cascales">C. Cascales</name><name sortKey="Diaz, F" sort="Diaz, F" uniqKey="Diaz F" first="F" last="Díaz">F. Díaz</name><name sortKey="Massons, J" sort="Massons, J" uniqKey="Massons J" first="J" last="Massons">J. Massons</name><name sortKey="Mateos, X" sort="Mateos, X" uniqKey="Mateos X" first="X" last="Mateos">X. Mateos</name><name sortKey="Pujol, M C" sort="Pujol, M C" uniqKey="Pujol M" first="M C" last="Pujol">M C Pujol</name><name sortKey="Sole, Rosa" sort="Sole, Rosa" uniqKey="Sole R" first="Rosa" last="Solé">Rosa Solé</name><name sortKey="Speghini, A" sort="Speghini, A" uniqKey="Speghini A" first="A" last="Speghini">A. Speghini</name></noCountry><country name="Espagne"><noRegion><name sortKey="Barrera, E W" sort="Barrera, E W" uniqKey="Barrera E" first="E W" last="Barrera">E W Barrera</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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