Intense blue up-conversion luminescence in Tm3+/Yb3+ codoped oxyfluoride glass-ceramics containing beta-PbF2 nanocrystals.
Identifieur interne : 000129 ( Ncbi/Checkpoint ); précédent : 000128; suivant : 000130Intense blue up-conversion luminescence in Tm3+/Yb3+ codoped oxyfluoride glass-ceramics containing beta-PbF2 nanocrystals.
Auteurs : Junjie Zhang [République populaire de Chine] ; Zhongchao Duan ; Dongbing He ; Shixun Dai ; Liyan Zhang ; Lili HuSource :
- Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [ 1386-1425 ] ; 2005.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Fluorides, Fluorine, Lead, Oxides, Thulium, Ytterbium.
- chemistry : Ceramics, Nanostructures.
- Energy Transfer, Luminescence, Spectrum Analysis, Temperature, X-Ray Diffraction.
Abstract
Up-conversion luminescence properties of a Tm3+/Yb3+ codoped oxyfluoride glass-ceramics under 980 nm excitation are investigated. Intense blue emission centered at 476 nm, corresponding to 1G4-->3H6 transitions of Tm3+ was simultaneously observed in the transparent oxyfluoride glass ceramics at room temperature. The intensity of the blue up-conversion luminescence in a 1 mol% YbF3-containing glass-ceramic was found to be about 40 times stronger than that in the precursor oxyfluoride glass. The reason for the intense Tm3+ up-conversion luminescence in the oxyfluoride glass-ceramics is discussed. The dependence of up-conversion intensities on excitation power and possible up-conversion mechanism are also evaluated.
DOI: 10.1016/j.saa.2005.03.011
PubMed: 16095958
Affiliations:
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Part A, Molecular and biomolecular spectroscopy</title><idno type="ISSN">1386-1425</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ceramics (chemistry)</term><term>Energy Transfer</term><term>Fluorides (chemistry)</term><term>Fluorine (chemistry)</term><term>Lead (chemistry)</term><term>Luminescence</term><term>Nanostructures (chemistry)</term><term>Oxides (chemistry)</term><term>Spectrum Analysis</term><term>Temperature</term><term>Thulium (chemistry)</term><term>X-Ray Diffraction</term><term>Ytterbium (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse spectrale</term><term>Céramiques ()</term><term>Diffraction des rayons X</term><term>Fluor ()</term><term>Fluorures ()</term><term>Luminescence</term><term>Nanostructures ()</term><term>Oxydes ()</term><term>Plomb ()</term><term>Température</term><term>Thulium ()</term><term>Transfert d'énergie</term><term>Ytterbium ()</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Fluorides</term><term>Fluorine</term><term>Lead</term><term>Oxides</term><term>Thulium</term><term>Ytterbium</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Ceramics</term><term>Nanostructures</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Energy Transfer</term><term>Luminescence</term><term>Spectrum Analysis</term><term>Temperature</term><term>X-Ray Diffraction</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse spectrale</term><term>Céramiques</term><term>Diffraction des rayons X</term><term>Fluor</term><term>Fluorures</term><term>Luminescence</term><term>Nanostructures</term><term>Oxydes</term><term>Plomb</term><term>Température</term><term>Thulium</term><term>Transfert d'énergie</term><term>Ytterbium</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Up-conversion luminescence properties of a Tm3+/Yb3+ codoped oxyfluoride glass-ceramics under 980 nm excitation are investigated. Intense blue emission centered at 476 nm, corresponding to 1G4-->3H6 transitions of Tm3+ was simultaneously observed in the transparent oxyfluoride glass ceramics at room temperature. The intensity of the blue up-conversion luminescence in a 1 mol% YbF3-containing glass-ceramic was found to be about 40 times stronger than that in the precursor oxyfluoride glass. The reason for the intense Tm3+ up-conversion luminescence in the oxyfluoride glass-ceramics is discussed. The dependence of up-conversion intensities on excitation power and possible up-conversion mechanism are also evaluated.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Dai, Shixun" sort="Dai, Shixun" uniqKey="Dai S" first="Shixun" last="Dai">Shixun Dai</name><name sortKey="Duan, Zhongchao" sort="Duan, Zhongchao" uniqKey="Duan Z" first="Zhongchao" last="Duan">Zhongchao Duan</name><name sortKey="He, Dongbing" sort="He, Dongbing" uniqKey="He D" first="Dongbing" last="He">Dongbing He</name><name sortKey="Hu, Lili" sort="Hu, Lili" uniqKey="Hu L" first="Lili" last="Hu">Lili Hu</name><name sortKey="Zhang, Liyan" sort="Zhang, Liyan" uniqKey="Zhang L" first="Liyan" last="Zhang">Liyan Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Zhang, Junjie" sort="Zhang, Junjie" uniqKey="Zhang J" first="Junjie" last="Zhang">Junjie Zhang</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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