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Luminescence efficiencies of self- and Tm3+ activated CaWO4 under vacuum ultraviolet radiation excitation

Identifieur interne : 000B40 ( Main/Curation ); précédent : 000B39; suivant : 000B41

Luminescence efficiencies of self- and Tm3+ activated CaWO4 under vacuum ultraviolet radiation excitation

Auteurs : Seon-Bae Kim [Corée du Sud] ; BYUNG GON KUM [Corée du Sud] ; HYUN MYUNG JANG [Corée du Sud] ; Arunachalam Lakshmanan [Inde] ; BONG KOO KANG [Corée du Sud]

Source :

Journal of luminescence [ 0022-2313 ] ; 2011.

RBID : Pascal:11-0318654

Descripteurs français

Pascal (Inist)
- Spectre excitation, Rayonnement UV extrême, Dopage, Addition thulium, Microstructure, Transfert énergie, Fluorescence, Grosseur grain, Tungstate de calcium, CaWO4.
Wicri :
- topic : Dopage.

English descriptors

KwdEn :
- Calcium tungstates, Doping, Energy transfer, Excitation spectrum, Extreme ultraviolet radiation, Fluorescence, Grain size, Microstructure, Thulium additions.

Abstract

Luminescence efficiency of self-activated CaWO₄ under 147 nm vacuum ultraviolet (VUV) radiation excitation is about 90% of that of BaMgAl₁₀O₁₇:Eu² (BAM), the commercial blue plasma display panel (PDP) phosphor. However, the color purity and the particle size of the former needs substantial modification before it can be considered for application in PDP. CaWO₄:Tm exhibits Tm³⁺ emission peaks in the blue region due to energy transfer from W0₄ to Tm³⁺ ions but the overall emission intensity under 147 nm excitation is reduced when compared to that of CaW0₄.

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Le document en format XML

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 activated CaWO<sub>4</sub>
 under vacuum ultraviolet radiation excitation</title>
<author><name sortKey="Kim, Seon Bae" sort="Kim, Seon Bae" uniqKey="Kim S" first="Seon-Bae" last="Kim">Seon-Bae Kim</name>
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<author><name sortKey="Hyun Myung Jang" sort="Hyun Myung Jang" uniqKey="Hyun Myung Jang" last="Hyun Myung Jang">HYUN MYUNG JANG</name>
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<author><name sortKey="Bong Koo Kang" sort="Bong Koo Kang" uniqKey="Bong Koo Kang" last="Bong Koo Kang">BONG KOO KANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Electronic and Electrical Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong</s1>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Luminescence efficiencies of self- and Tm<sup>3+</sup>
 activated CaWO<sub>4</sub>
 under vacuum ultraviolet radiation excitation</title>
<author><name sortKey="Kim, Seon Bae" sort="Kim, Seon Bae" uniqKey="Kim S" first="Seon-Bae" last="Kim">Seon-Bae Kim</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Materials Science and Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong</s1>
<s2>Pohang, Kyungpook 790-784</s2>
<s3>KOR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Corée du Sud</country>
<wicri:noRegion>Pohang, Kyungpook 790-784</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Byung Gon Kum" sort="Byung Gon Kum" uniqKey="Byung Gon Kum" last="Byung Gon Kum">BYUNG GON KUM</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Materials Science and Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong</s1>
<s2>Pohang, Kyungpook 790-784</s2>
<s3>KOR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Corée du Sud</country>
<wicri:noRegion>Pohang, Kyungpook 790-784</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Hyun Myung Jang" sort="Hyun Myung Jang" uniqKey="Hyun Myung Jang" last="Hyun Myung Jang">HYUN MYUNG JANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Materials Science and Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong</s1>
<s2>Pohang, Kyungpook 790-784</s2>
<s3>KOR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Corée du Sud</country>
<wicri:noRegion>Pohang, Kyungpook 790-784</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Lakshmanan, Arunachalam" sort="Lakshmanan, Arunachalam" uniqKey="Lakshmanan A" first="Arunachalam" last="Lakshmanan">Arunachalam Lakshmanan</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Saveetha Engineering College, Thandalam</s1>
<s2>Chennai 602105</s2>
<s3>IND</s3>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Inde</country>
<wicri:noRegion>Chennai 602105</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bong Koo Kang" sort="Bong Koo Kang" uniqKey="Bong Koo Kang" last="Bong Koo Kang">BONG KOO KANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Electronic and Electrical Engineering, Pohang University of Science and Technology, San 31, Hyoja-Dong</s1>
<s2>Pohang, Kyungpook 790-784</s2>
<s3>KOR</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Corée du Sud</country>
<wicri:noRegion>Pohang, Kyungpook 790-784</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Journal of luminescence</title>
<title level="j" type="abbreviated">J. lumin.</title>
<idno type="ISSN">0022-2313</idno>
<imprint><date when="2011">2011</date>
</imprint>
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</sourceDesc>
<seriesStmt><title level="j" type="main">Journal of luminescence</title>
<title level="j" type="abbreviated">J. lumin.</title>
<idno type="ISSN">0022-2313</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Calcium tungstates</term>
<term>Doping</term>
<term>Energy transfer</term>
<term>Excitation spectrum</term>
<term>Extreme ultraviolet radiation</term>
<term>Fluorescence</term>
<term>Grain size</term>
<term>Microstructure</term>
<term>Thulium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Spectre excitation</term>
<term>Rayonnement UV extrême</term>
<term>Dopage</term>
<term>Addition thulium</term>
<term>Microstructure</term>
<term>Transfert énergie</term>
<term>Fluorescence</term>
<term>Grosseur grain</term>
<term>Tungstate de calcium</term>
<term>CaWO4</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Dopage</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Luminescence efficiency of self-activated CaWO<sub>4</sub>
 under 147 nm vacuum ultraviolet (VUV) radiation excitation is about 90% of that of BaMgAl<sub>10</sub>
O<sub>17</sub>
:Eu<sup>2</sup>
 (BAM), the commercial blue plasma display panel (PDP) phosphor. However, the color purity and the particle size of the former needs substantial modification before it can be considered for application in PDP. CaWO<sub>4</sub>
:Tm exhibits Tm<sup>3+</sup>
 emission peaks in the blue region due to energy transfer from W0<sub>4</sub>
 to Tm<sup>3+</sup>
 ions but the overall emission intensity under 147 nm excitation is reduced when compared to that of CaW0<sub>4</sub>
.</div>
</front>
</TEI>
</record>

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Luminescence efficiencies of self- and Tm3+ activated CaWO4 under vacuum ultraviolet radiation excitation

Luminescence efficiencies of self- and Tm3+ activated CaWO4 under vacuum ultraviolet radiation excitation

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri