ThuliumV1, Main, Exploration, bibRecord, 001311

Yb3+-Er3+-Tm3+ co-doped nano-glass-ceramics tuneable up-conversion phosphor

Identifieur interne : 001311 ( Main/Exploration ); précédent : 001310; suivant : 001312

Yb3+-Er3+-Tm3+ co-doped nano-glass-ceramics tuneable up-conversion phosphor

Auteurs : J. Mendez-Ramos [Espagne] ; V. D. Rodriguez [Espagne] ; V. K. Tikhomirov [Belgique] ; J. Del-Castillo [Espagne] ; A. C. Yanes [Espagne]

Source :

EPJ. Applied physics : (Print) [ 1286-0042 ] ; 2008.

RBID : Pascal:08-0427611

Descripteurs français

Pascal (Inist)
- Conversion fréquence optique, Luminescence, Lumière blanche, Spectre émission, Matériau dopé, Codopage, Matériau luminescent, Verre, Céramique, Addition ytterbium, Addition erbium, Addition thulium, SiO2, 8105P, 6146, Upconversion.
Wicri :
- topic : Verre, Céramique.

English descriptors

KwdEn :
- Ceramics, Codoping, Doped materials, Emission spectra, Erbium additions, Glass, Luminescence, Optical frequency conversion, Phosphors, Thulium additions, Upconversion, White light, Ytterbium additions.

Abstract

Transparent Yb³⁺-Er³⁺-Tm³⁺ co-doped nano-glass-ceramics have been prepared, 32(SiO₂) 9(AlO_1.5) 31.5(CdF₂) 18.5(PbF₂) 5.5(ZnF₂): 3.5(Yb-Er-TmF₃) mol%, where the co-dopants partition mostly to the fluoride PbF₂-based nano-crystals. A comparative study of the up-conversion luminescence in nano-glass-ceramics and its precursor glass indicates that these materials can be used as blue/green/red tuneable up-conversion phosphor, in particular for white light generation. A ratio between blue, green and red emission bands of the Tm³⁺ and Er³⁺ can be widely varied with nano-ceramming of the precursor glass and with changing a pump power of luminescence. The change in the ratio between the blue, green and red emission bands is explained to be due to substantial lowering phonon energy and shortening of inter-dopant distances with nano-ceramming of the precursor glass and due to change in the ratio of 2-and 3-photon up-conversion processes with pump power.

Affiliations:

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Le document en format XML

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-Er<sup>3+</sup>
-Tm<sup>3+</sup>
 co-doped nano-glass-ceramics tuneable up-conversion phosphor</title>
<author><name sortKey="Mendez Ramos, J" sort="Mendez Ramos, J" uniqKey="Mendez Ramos J" first="J." last="Mendez-Ramos">J. Mendez-Ramos</name>
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<s2>38206 La Laguna, Tenerife</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Yb<sup>3+</sup>
-Er<sup>3+</sup>
-Tm<sup>3+</sup>
 co-doped nano-glass-ceramics tuneable up-conversion phosphor</title>
<author><name sortKey="Mendez Ramos, J" sort="Mendez Ramos, J" uniqKey="Mendez Ramos J" first="J." last="Mendez-Ramos">J. Mendez-Ramos</name>
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<author><name sortKey="Rodriguez, V D" sort="Rodriguez, V D" uniqKey="Rodriguez V" first="V. D." last="Rodriguez">V. D. Rodriguez</name>
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<author><name sortKey="Tikhomirov, V K" sort="Tikhomirov, V K" uniqKey="Tikhomirov V" first="V. K." last="Tikhomirov">V. K. Tikhomirov</name>
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<placeName><region type="province" nuts="2">Province du Brabant flamand</region>
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<orgName type="university">Katholieke Universiteit Leuven</orgName>
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<author><name sortKey="Del Castillo, J" sort="Del Castillo, J" uniqKey="Del Castillo J" first="J." last="Del-Castillo">J. Del-Castillo</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Dpto. Física Bàsica, Universidad de La Laguna</s1>
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<sZ>5 aut.</sZ>
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<series><title level="j" type="main">EPJ. Applied physics : (Print)</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ceramics</term>
<term>Codoping</term>
<term>Doped materials</term>
<term>Emission spectra</term>
<term>Erbium additions</term>
<term>Glass</term>
<term>Luminescence</term>
<term>Optical frequency conversion</term>
<term>Phosphors</term>
<term>Thulium additions</term>
<term>Upconversion</term>
<term>White light</term>
<term>Ytterbium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Conversion fréquence optique</term>
<term>Luminescence</term>
<term>Lumière blanche</term>
<term>Spectre émission</term>
<term>Matériau dopé</term>
<term>Codopage</term>
<term>Matériau luminescent</term>
<term>Verre</term>
<term>Céramique</term>
<term>Addition ytterbium</term>
<term>Addition erbium</term>
<term>Addition thulium</term>
<term>SiO2</term>
<term>8105P</term>
<term>6146</term>
<term>Upconversion</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Verre</term>
<term>Céramique</term>
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<front><div type="abstract" xml:lang="en">Transparent Yb<sup>3+</sup>
-Er<sup>3+</sup>
-Tm<sup>3+</sup>
 co-doped nano-glass-ceramics have been prepared, 32(SiO<sub>2</sub>
) 9(AlO<sub>1.5</sub>
) 31.5(CdF<sub>2</sub>
) 18.5(PbF<sub>2</sub>
) 5.5(ZnF<sub>2</sub>
): 3.5(Yb-Er-TmF<sub>3</sub>
) mol%, where the co-dopants partition mostly to the fluoride PbF<sub>2</sub>
-based nano-crystals. A comparative study of the up-conversion luminescence in nano-glass-ceramics and its precursor glass indicates that these materials can be used as blue/green/red tuneable up-conversion phosphor, in particular for white light generation. A ratio between blue, green and red emission bands of the Tm<sup>3+</sup>
 and Er<sup>3+</sup>
 can be widely varied with nano-ceramming of the precursor glass and with changing a pump power of luminescence. The change in the ratio between the blue, green and red emission bands is explained to be due to substantial lowering phonon energy and shortening of inter-dopant distances with nano-ceramming of the precursor glass and due to change in the ratio of 2-and 3-photon up-conversion processes with pump power.</div>
</front>
</TEI>
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<li>Espagne</li>
</country>
<region><li>Province du Brabant flamand</li>
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<settlement><li>Heverlee</li>
<li>Louvain</li>
</settlement>
<orgName><li>Katholieke Universiteit Leuven</li>
</orgName>
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<tree><country name="Espagne"><noRegion><name sortKey="Mendez Ramos, J" sort="Mendez Ramos, J" uniqKey="Mendez Ramos J" first="J." last="Mendez-Ramos">J. Mendez-Ramos</name>
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<name sortKey="Del Castillo, J" sort="Del Castillo, J" uniqKey="Del Castillo J" first="J." last="Del-Castillo">J. Del-Castillo</name>
<name sortKey="Rodriguez, V D" sort="Rodriguez, V D" uniqKey="Rodriguez V" first="V. D." last="Rodriguez">V. D. Rodriguez</name>
<name sortKey="Yanes, A C" sort="Yanes, A C" uniqKey="Yanes A" first="A. C." last="Yanes">A. C. Yanes</name>
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<country name="Belgique"><region name="Province du Brabant flamand"><name sortKey="Tikhomirov, V K" sort="Tikhomirov, V K" uniqKey="Tikhomirov V" first="V. K." last="Tikhomirov">V. K. Tikhomirov</name>
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</record>

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Yb3+-Er3+-Tm3+ co-doped nano-glass-ceramics tuneable up-conversion phosphor

Yb3+-Er3+-Tm3+ co-doped nano-glass-ceramics tuneable up-conversion phosphor

Source :

Descripteurs français

English descriptors

Abstract

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