Near-infrared to visible upconversion in Tm3+ and Yb3+ codoped Lu2O3 nanocrystals synthesized by hydrothermal method.
Identifieur interne : 000183 ( PubMed/Corpus ); précédent : 000182; suivant : 000184Near-infrared to visible upconversion in Tm3+ and Yb3+ codoped Lu2O3 nanocrystals synthesized by hydrothermal method.
Auteurs : Li Li ; Xingli Zhang ; Xiantao Wei ; Guangchuan Wang ; Changxin GuoSource :
- Journal of nanoscience and nanotechnology [ 1533-4880 ] ; 2014.
English descriptors
- KwdEn :
- Crystallization (methods), Hot Temperature, Infrared Rays, Lutetium (chemistry), Macromolecular Substances (chemistry), Materials Testing, Molecular Conformation, Nanostructures (chemistry), Nanostructures (ultrastructure), Oxides (chemical synthesis), Particle Size, Surface Properties, Thulium (chemistry), Water (chemistry), Ytterbium (chemistry).
- MESH :
- chemical , chemical synthesis : Oxides.
- chemical , chemistry : Lutetium, Macromolecular Substances, Thulium, Water, Ytterbium.
- chemistry : Nanostructures.
- methods : Crystallization.
- ultrastructure : Nanostructures.
- Hot Temperature, Infrared Rays, Materials Testing, Molecular Conformation, Particle Size, Surface Properties.
Abstract
Lutetium oxide nanocrystals codoped with Tm3+ and Yb3+ have been successfully synthesized via adjusting the pH values of the precursor solution in a hydrothermal method followed by a subsequent calcination process. The samples were systematically characterized by X-ray diffraction, field-emission scanning microscopy, Fourier transform infrared transmittance spectroscopy, and upconversion luminescent spectra. The experimental results show that the pH values of the precursor solution have great effects on the structural, morphological, and upconversion luminescent properties of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals. The as-formed lutetium oxide precursors could transform to cubic Lu2O3 with the same morphology and a slight shrinkage in size after a calcination process. The upconversion emission intensity of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals obtained from the precursor solution with pH = 9 is the strongest. The enhancement of the upconversion luminescence is suggested to be the consequence of reducing the number of OH- groups and the enlarged nanocrystals size. Strong blue and weak red emissions from the prepared nanocrystals were observed under 980 nm laser excitation, which were attributed to the 1G4 --> 3H6 and 1G4 --> 3F4 transitions of Tm3+ ion, respectively.
PubMed: 24738389
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The samples were systematically characterized by X-ray diffraction, field-emission scanning microscopy, Fourier transform infrared transmittance spectroscopy, and upconversion luminescent spectra. The experimental results show that the pH values of the precursor solution have great effects on the structural, morphological, and upconversion luminescent properties of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals. The as-formed lutetium oxide precursors could transform to cubic Lu2O3 with the same morphology and a slight shrinkage in size after a calcination process. The upconversion emission intensity of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals obtained from the precursor solution with pH = 9 is the strongest. The enhancement of the upconversion luminescence is suggested to be the consequence of reducing the number of OH- groups and the enlarged nanocrystals size. Strong blue and weak red emissions from the prepared nanocrystals were observed under 980 nm laser excitation, which were attributed to the 1G4 --> 3H6 and 1G4 --> 3F4 transitions of Tm3+ ion, respectively.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">24738389</PMID><DateCreated><Year>2014</Year><Month>04</Month><Day>17</Day></DateCreated><DateCompleted><Year>2014</Year><Month>05</Month><Day>08</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Print">1533-4880</ISSN><JournalIssue CitedMedium="Print"><Volume>14</Volume><Issue>6</Issue><PubDate><Year>2014</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Journal of nanoscience and nanotechnology</Title><ISOAbbreviation>J Nanosci Nanotechnol</ISOAbbreviation></Journal><ArticleTitle>Near-infrared to visible upconversion in Tm3+ and Yb3+ codoped Lu2O3 nanocrystals synthesized by hydrothermal method.</ArticleTitle><Pagination><MedlinePgn>4313-9</MedlinePgn></Pagination><Abstract><AbstractText>Lutetium oxide nanocrystals codoped with Tm3+ and Yb3+ have been successfully synthesized via adjusting the pH values of the precursor solution in a hydrothermal method followed by a subsequent calcination process. The samples were systematically characterized by X-ray diffraction, field-emission scanning microscopy, Fourier transform infrared transmittance spectroscopy, and upconversion luminescent spectra. The experimental results show that the pH values of the precursor solution have great effects on the structural, morphological, and upconversion luminescent properties of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals. The as-formed lutetium oxide precursors could transform to cubic Lu2O3 with the same morphology and a slight shrinkage in size after a calcination process. The upconversion emission intensity of Lu2O3:2%Yb3+, 0.2%Tm3+ nanocrystals obtained from the precursor solution with pH = 9 is the strongest. The enhancement of the upconversion luminescence is suggested to be the consequence of reducing the number of OH- groups and the enlarged nanocrystals size. Strong blue and weak red emissions from the prepared nanocrystals were observed under 980 nm laser excitation, which were attributed to the 1G4 --> 3H6 and 1G4 --> 3F4 transitions of Tm3+ ion, respectively.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Li</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xingli</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Wei</LastName><ForeName>Xiantao</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Guangchuan</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Changxin</ForeName><Initials>C</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>United States</Country><MedlineTA>J Nanosci Nanotechnol</MedlineTA><NlmUniqueID>101088195</NlmUniqueID><ISSNLinking>1533-4880</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D046911">Macromolecular Substances</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010087">Oxides</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</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></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003460">Crystallization</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000379">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006358">Hot Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007259">Infrared Rays</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008187">Lutetium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D046911">Macromolecular Substances</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008422">Materials Testing</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008968">Molecular Conformation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D049329">Nanostructures</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000648">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010087">Oxides</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000138">chemical synthesis</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010316">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013499">Surface Properties</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013932">Thulium</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000737">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014867">Water</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>2014</Year><Month>4</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>4</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>5</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24738389</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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