ThuliumV1, Main, Exploration, bibRecord, 000E16

Photoluminescence and energy transfer of Tm3+ doped LiIn (WO4)2 blue phosphors

Identifieur interne : 000E16 ( Main/Exploration ); précédent : 000E15; suivant : 000E17

Photoluminescence and energy transfer of Tm3+ doped LiIn (WO4)2 blue phosphors

Auteurs : L. Guerbous [Algérie] ; M. Derbal [Algérie, France] ; J. P. Chaminade [France]

Source :

Journal of luminescence [ 0022-2313 ] ; 2010.

RBID : Pascal:10-0496607

Descripteurs français

Pascal (Inist)
- Photoluminescence, Transfert énergie, Dopage, Spectre résolution temporelle, Rayonnement UV, Concentration impureté, Niveau énergie, Déclin luminescence, Indium Lithium Tungstate Mixte, Interaction dipôle dipôle, Addition thulium, Matériau luminescent, Double tungstate.
Wicri :
- topic : Dopage.

English descriptors

KwdEn :
- Dipole dipole interaction, Doping, Energy levels, Energy transfer, Impurity density, Indium Lithium Tungstates Mixed, Luminescence decay, Phosphors, Photoluminescence, Thulium additions, Time resolved spectra, Ultraviolet radiation.
mix :
- Double tungstate, Energy transfer, Photoluminescence, Tm3+.

Abstract

Room temperature steady and time resolved emission spectra of LiIn_1-xTm_x(WO₄)₂ (where thulium concentration is 0, 0.5, 1, 5 and 10 at%) blue phosphors, under UV excitation energy have been investigated. The concentration quenching effect on the blue emission, due to the (WO₄)^-2 groups and ¹G₄ → ³H₆ emission transition of Tm³⁺ were studied. Two energy transfer mechanisms are shown. The first takes place between excited (WO₄) ^-2 groups and the ¹G₄ energy level of TM³⁺, and is mainly analyzed by phonon-assisted energy transfer. The second mechanism is due to an energy transfer from the excited Tm³⁺ ions to the surrounding ground state Tm³⁺ ions. The non-exponential decay curves of the ¹G₄ level observed for higher concentrations are analyzed by the Inokuti-Hirayama model. We think that the quenching effect between Tm³⁺ ions is mainly linked to the dipole-dipole interactions.

Url:

https://hal.archives-ouvertes.fr/hal-00544299

Affiliations:

Le document en format XML

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 blue phosphors</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Photoluminescence and energy transfer of Tm<sup>3+</sup>
 doped LiIn (WO<sub>4</sub>
)<sub>2</sub>
 blue phosphors</title>
<author><name sortKey="Guerbous, L" sort="Guerbous, L" uniqKey="Guerbous L" first="L." last="Guerbous">L. Guerbous</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laser Department, Nuclear Research Center of Algiers CRNA, 2 Bd., Frantz Fanon, BP 399</s1>
<s2>Alger</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
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<country>Algérie</country>
<placeName><settlement type="city">Alger</settlement>
<region nuts="2">Wilaya d'Alger</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Derbal, M" sort="Derbal, M" uniqKey="Derbal M" first="M." last="Derbal">M. Derbal</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>LASICOM, Saad Dahlab University</s1>
<s2>Blida</s2>
<s3>DZA</s3>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Algérie</country>
<wicri:noRegion>Blida</wicri:noRegion>
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<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>ICMCB, Bordeaux I University, 87 Av. A. Schweitzer</s1>
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<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>33608 Pessac</wicri:noRegion>
<wicri:noRegion>87 Av. A. Schweitzer</wicri:noRegion>
<wicri:noRegion>33608 Pessac</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Chaminade, J P" sort="Chaminade, J P" uniqKey="Chaminade J" first="J. P." last="Chaminade">J. P. Chaminade</name>
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<wicri:noRegion>33608 Pessac</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Journal of luminescence</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dipole dipole interaction</term>
<term>Doping</term>
<term>Energy levels</term>
<term>Energy transfer</term>
<term>Impurity density</term>
<term>Indium Lithium Tungstates Mixed</term>
<term>Luminescence decay</term>
<term>Phosphors</term>
<term>Photoluminescence</term>
<term>Thulium additions</term>
<term>Time resolved spectra</term>
<term>Ultraviolet radiation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Photoluminescence</term>
<term>Transfert énergie</term>
<term>Dopage</term>
<term>Spectre résolution temporelle</term>
<term>Rayonnement UV</term>
<term>Concentration impureté</term>
<term>Niveau énergie</term>
<term>Déclin luminescence</term>
<term>Indium Lithium Tungstate Mixte</term>
<term>Interaction dipôle dipôle</term>
<term>Addition thulium</term>
<term>Matériau luminescent</term>
<term>Double tungstate</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Dopage</term>
</keywords>
<keywords scheme="mix" xml:lang="en"><term>Double tungstate</term>
<term>Energy transfer</term>
<term>Photoluminescence</term>
<term>Tm3+</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Room temperature steady and time resolved emission spectra of LiIn<sub>1-x </sub>
Tm<sub>x</sub>
(WO<sub>4</sub>
)<sub>2</sub>
 (where thulium concentration is 0, 0.5, 1, 5 and 10 at%) blue phosphors, under UV excitation energy have been investigated. The concentration quenching effect on the blue emission, due to the (WO<sub>4</sub>
)<sup>-2</sup>
 groups and <sup>1</sup>
G<sub>4</sub>
 → <sup>3</sup>
H<sub>6</sub>
 emission transition of Tm<sup>3+</sup>
 were studied. Two energy transfer mechanisms are shown. The first takes place between excited (WO<sub>4</sub>
) <sup>-2</sup>
 groups and the <sup>1</sup>
G<sub>4</sub>
 energy level of TM<sup>3+</sup>
, and is mainly analyzed by phonon-assisted energy transfer. The second mechanism is due to an energy transfer from the excited Tm<sup>3+</sup>
 ions to the surrounding ground state Tm<sup>3+</sup>
 ions. The non-exponential decay curves of the <sup>1</sup>
G<sub>4</sub>
 level observed for higher concentrations are analyzed by the Inokuti-Hirayama model. We think that the quenching effect between Tm<sup>3+</sup>
 ions is mainly linked to the dipole-dipole interactions.</div>
</front>
</TEI>
<affiliations><list><country><li>Algérie</li>
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<region><li>Wilaya d'Alger</li>
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</settlement>
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<tree><country name="Algérie"><region name="Wilaya d'Alger"><name sortKey="Guerbous, L" sort="Guerbous, L" uniqKey="Guerbous L" first="L." last="Guerbous">L. Guerbous</name>
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<name sortKey="Derbal, M" sort="Derbal, M" uniqKey="Derbal M" first="M." last="Derbal">M. Derbal</name>
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<country name="France"><noRegion><name sortKey="Derbal, M" sort="Derbal, M" uniqKey="Derbal M" first="M." last="Derbal">M. Derbal</name>
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<name sortKey="Chaminade, J P" sort="Chaminade, J P" uniqKey="Chaminade J" first="J. P." last="Chaminade">J. P. Chaminade</name>
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</record>

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Photoluminescence and energy transfer of Tm3+ doped LiIn (WO4)2 blue phosphors

Photoluminescence and energy transfer of Tm3+ doped LiIn (WO4)2 blue phosphors

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le thulium
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