ThuliumV1, Main, Exploration, bibRecord, 000408

Cooperative downconversion and near infrared luminescence of Tm3+/ Yb3+ codoped Calcium Scandate phosphor

Identifieur interne : 000408 ( Main/Exploration ); précédent : 000407; suivant : 000409

Cooperative downconversion and near infrared luminescence of Tm3+/ Yb3+ codoped Calcium Scandate phosphor

Auteurs : JING LI [République populaire de Chine] ; JIAHUA ZHANG [République populaire de Chine] ; XIA ZHANG [République populaire de Chine] ; ZHENDONG HAO [République populaire de Chine] ; YONGSHI LUO [République populaire de Chine]

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2014.

RBID : Pascal:14-0149969

Descripteurs français

Pascal (Inist)
- Rayonnement IR proche, Photoluminescence, Codopage, Addition ytterbium, Processus 2 photons, Transfert énergie, Rendement quantique, Addition thulium, Matériau luminescent, Scandate de calcium, Emission de photons en cascade.

English descriptors

KwdEn :
- Codoping, Energy transfer, Near infrared radiation, Phosphors, Photoluminescence, Quantum cutting, Quantum yield, Thulium additions, Two-photon processes, Ytterbium additions.

Abstract

An efficient near infrared (NIR) quantum cutting in CaSc₂O₄: Tm³⁺/Yb³⁺ phosphor has been demonstrated by the visible and NIR spectra properties as well as the decay curves of Tm³⁺:¹G₄level. Upon excitation of Tm³⁺:¹G₄ level with a blue photon at 466 nm, Yb³⁺:²F_5/2 level can emit two NIR photons around 1000 nm through cooperative energy transfer (ET) from Tm³⁺ to Yb³⁺ with the maximum energy transfer efficiency is 71%, and highest theoretical quantum efficiency reaches 171%, close to the limit of 200%. Because the energy of Yb³⁺ transition is matched well with band gap of crystalline silicon, the excellent downconversion luminescence property indicates that CaSc₂O₄:Tm³⁺/Yb³⁺ is a promising oxide material for increasing the conversion efficiency of crystalline silicon solar cells.

Affiliations:

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Le document en format XML

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 codoped Calcium Scandate phosphor</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Cooperative downconversion and near infrared luminescence of Tm<sup>3+</sup>
/ Yb<sup>3+</sup>
 codoped Calcium Scandate phosphor</title>
<author><name sortKey="Jing Li" sort="Jing Li" uniqKey="Jing Li" last="Jing Li">JING LI</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road</s1>
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<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<placeName><settlement type="city">Changchun</settlement>
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</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Graduate School of Chinese Academy of Sciences</s1>
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<author><name sortKey="Jiahua Zhang" sort="Jiahua Zhang" uniqKey="Jiahua Zhang" last="Jiahua Zhang">JIAHUA ZHANG</name>
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<placeName><settlement type="city">Changchun</settlement>
<region type="province">Jilin</region>
<region type="groupement">Dongbei</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Xia Zhang" sort="Xia Zhang" uniqKey="Xia Zhang" last="Xia Zhang">XIA ZHANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road</s1>
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<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<placeName><settlement type="city">Changchun</settlement>
<region type="province">Jilin</region>
<region type="groupement">Dongbei</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Zhendong Hao" sort="Zhendong Hao" uniqKey="Zhendong Hao" last="Zhendong Hao">ZHENDONG HAO</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road</s1>
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<s3>CHN</s3>
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<country>République populaire de Chine</country>
<placeName><settlement type="city">Changchun</settlement>
<region type="province">Jilin</region>
<region type="groupement">Dongbei</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Yongshi Luo" sort="Yongshi Luo" uniqKey="Yongshi Luo" last="Yongshi Luo">YONGSHI LUO</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road</s1>
<s2>Changchun 130033</s2>
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<placeName><settlement type="city">Changchun</settlement>
<region type="province">Jilin</region>
<region type="groupement">Dongbei</region>
</placeName>
</affiliation>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
<imprint><date when="2014">2014</date>
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<seriesStmt><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Codoping</term>
<term>Energy transfer</term>
<term>Near infrared radiation</term>
<term>Phosphors</term>
<term>Photoluminescence</term>
<term>Quantum cutting</term>
<term>Quantum yield</term>
<term>Thulium additions</term>
<term>Two-photon processes</term>
<term>Ytterbium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Rayonnement IR proche</term>
<term>Photoluminescence</term>
<term>Codopage</term>
<term>Addition ytterbium</term>
<term>Processus 2 photons</term>
<term>Transfert énergie</term>
<term>Rendement quantique</term>
<term>Addition thulium</term>
<term>Matériau luminescent</term>
<term>Scandate de calcium</term>
<term>Emission de photons en cascade</term>
</keywords>
</textClass>
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</teiHeader>
<front><div type="abstract" xml:lang="en">An efficient near infrared (NIR) quantum cutting in CaSc<sub>2</sub>
O<sub>4</sub>
: Tm<sup>3+</sup>
/Yb<sup>3+</sup>
 phosphor has been demonstrated by the visible and NIR spectra properties as well as the decay curves of Tm<sup>3+</sup>
:<sup>1</sup>
G<sub>4 </sub>
level. Upon excitation of Tm<sup>3+</sup>
:<sup>1</sup>
G<sub>4</sub>
 level with a blue photon at 466 nm, Yb<sup>3+</sup>
:<sup>2</sup>
F<sub>5/2</sub>
 level can emit two NIR photons around 1000 nm through cooperative energy transfer (ET) from Tm<sup>3+</sup>
 to Yb<sup>3+</sup>
 with the maximum energy transfer efficiency is 71%, and highest theoretical quantum efficiency reaches 171%, close to the limit of 200%. Because the energy of Yb<sup>3+</sup>
 transition is matched well with band gap of crystalline silicon, the excellent downconversion luminescence property indicates that CaSc<sub>2</sub>
O<sub>4</sub>
:Tm<sup>3+</sup>
/Yb<sup>3+</sup>
 is a promising oxide material for increasing the conversion efficiency of crystalline silicon solar cells.</div>
</front>
</TEI>
<affiliations><list><country><li>République populaire de Chine</li>
</country>
<region><li>Dongbei</li>
<li>Jilin</li>
</region>
<settlement><li>Changchun</li>
<li>Pékin</li>
</settlement>
</list>
<tree><country name="République populaire de Chine"><region name="Jilin"><name sortKey="Jing Li" sort="Jing Li" uniqKey="Jing Li" last="Jing Li">JING LI</name>
</region>
<name sortKey="Jiahua Zhang" sort="Jiahua Zhang" uniqKey="Jiahua Zhang" last="Jiahua Zhang">JIAHUA ZHANG</name>
<name sortKey="Jing Li" sort="Jing Li" uniqKey="Jing Li" last="Jing Li">JING LI</name>
<name sortKey="Xia Zhang" sort="Xia Zhang" uniqKey="Xia Zhang" last="Xia Zhang">XIA ZHANG</name>
<name sortKey="Yongshi Luo" sort="Yongshi Luo" uniqKey="Yongshi Luo" last="Yongshi Luo">YONGSHI LUO</name>
<name sortKey="Zhendong Hao" sort="Zhendong Hao" uniqKey="Zhendong Hao" last="Zhendong Hao">ZHENDONG HAO</name>
</country>
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Cooperative downconversion and near infrared luminescence of Tm3+/ Yb3+ codoped Calcium Scandate phosphor

Cooperative downconversion and near infrared luminescence of Tm3+/ Yb3+ codoped Calcium Scandate phosphor

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