ThuliumV1, Main, Exploration, bibRecordById, pubmed:12947647

[A study on the concentration quenching of Tm3+ upconversion luminescence].

Identifieur interne : 001F70 ( Main/Exploration ); précédent : 001F69; suivant : 001F71

[A study on the concentration quenching of Tm3+ upconversion luminescence].

Auteurs : B. Chen [République populaire de Chine] ; H. Wang ; S. Huang

Source :

Guang pu xue yu guang pu fen xi = Guang pu [ 1000-0593 ] ; 2001.

RBID : pubmed:12947647

Descripteurs français

KwdFr :
- Analyse spectrale Raman (), Attention, Luminescence, Spectrométrie de fluorescence (), Tellure (), Thulium (), Verre ().
MESH :
- Analyse spectrale Raman, Attention, Luminescence, Spectrométrie de fluorescence, Tellure, Thulium, Verre.

English descriptors

KwdEn :
- Attention, Glass (chemistry), Luminescence, Spectrometry, Fluorescence (methods), Spectrum Analysis, Raman (methods), Tellurium (chemistry), Thulium (chemistry).
MESH :
- chemical , chemistry : Tellurium, Thulium.
- chemistry : Glass.
- methods : Spectrometry, Fluorescence, Spectrum Analysis, Raman.
- Attention, Luminescence.

Abstract

In this work, we have a designation and preparation of MFT glasses for upconversion, the glasses consisted of TeO2 and fluoride: PbF2, AlF3, BaF2, NaF and the impurity Tm2O3. In this glass system the oxide improve forming ability, the fluorides improve the microscopic environment around RE ions in glasses. In this glass host the content of Tm2O3 achieves to 4% mol and crystallization no occurred. A detail study on the concentration quenching of upconversion luminescence for 1G4-->3H6 and 1D2-->3H4 transitions was completed. The experimental results directed that the quenching concentration was 0.6 mol.% and higher 3 times than in other glasses materials. The cross relaxation and mechanism of concentration quenching were discussed.

PubMed: 12947647

Affiliations:

Le document en format XML

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<affiliation wicri:level="1"><nlm:affiliation>Changchun Institute of Opiics, Fine Mechanics and Physics, Laboratory of Excited States Processes, Chinese Academy of Sciences, 130021 Changchun.</nlm:affiliation>
<country>République populaire de Chine</country>
<placeName><settlement type="city">Changchun</settlement>
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<author><name sortKey="Wang, H" sort="Wang, H" uniqKey="Wang H" first="H" last="Wang">H. Wang</name>
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<term>Tellure ()</term>
<term>Thulium ()</term>
<term>Verre ()</term>
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<term>Spectrum Analysis, Raman</term>
</keywords>
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<term>Luminescence</term>
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<term>Attention</term>
<term>Luminescence</term>
<term>Spectrométrie de fluorescence</term>
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<front><div type="abstract" xml:lang="en">In this work, we have a designation and preparation of MFT glasses for upconversion, the glasses consisted of TeO2 and fluoride: PbF2, AlF3, BaF2, NaF and the impurity Tm2O3. In this glass system the oxide improve forming ability, the fluorides improve the microscopic environment around RE ions in glasses. In this glass host the content of Tm2O3 achieves to 4% mol and crystallization no occurred. A detail study on the concentration quenching of upconversion luminescence for 1G4-->3H6 and 1D2-->3H4 transitions was completed. The experimental results directed that the quenching concentration was 0.6 mol.% and higher 3 times than in other glasses materials. The cross relaxation and mechanism of concentration quenching were discussed.</div>
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[A study on the concentration quenching of Tm3+ upconversion luminescence].

[A study on the concentration quenching of Tm3+ upconversion luminescence].

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

Pour générer des pages wiki

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