Ce-Doped YAG Nanophosphor and Red Emitting CuInS2/ZnS Core/Shell Quantum Dots for Warm White Light-Emitting Diode with High Color Rendering Index
Identifieur interne : 000391 ( Main/Exploration ); précédent : 000390; suivant : 000392Ce-Doped YAG Nanophosphor and Red Emitting CuInS2/ZnS Core/Shell Quantum Dots for Warm White Light-Emitting Diode with High Color Rendering Index
Auteurs : Aboulaich Abdelhay [France] ; Michalska Martyna [France] ; Raphaël Schneider [France] ; Potdevin Audrey [France] ; Jérôme Deschamps [France] ; Rodolphe Deloncle [France] ; Geneviève Chadeyron [France] ; Rachid Mahiou [France]Source :
English descriptors
Abstract
In this work, we report the solvothermal synthesis of Ce-doped YAG (YAG:Ce) nanoparticles (NPs) and their association with a free-Cd CuInS2/ZnS (CIS/ZnS) core/shell QDs for application into white light emitting diode (WLED). 1500 °C-annealed YAG:Ce NPs and CIS/ZnS core/shell QDs exhibited intense yellow and red emissions band with maxima at 545 and 667 nm, respectively. Both YAG:Ce nanophosphor and CIS/ZnS QDs showed high photoluminescence quantum yield (PL QY) of about 50% upon 460 nm excitation. YAG:Ce nanophosphor layer and bilayered YAG:Ce nanophosphor-CIS/ZnS QDs were applied on blue InGaN chip as converter wavelength to achieve WLED. While YAG:Ce nanophosphor converter layer showed low color rendering index (CRI) and cold white light, bilayered YAG:Ce nanophosphor-CIS/ZnS QDs displayed higher CRI of about 84 and warm white light with a correlated color temperature (CCT) of 2784 K. WLED characteristics were measured as a function of forward current from 20 to 1200 mA. The white light stability of bilayered nanophosphor-QDs-based WLED operated at 200 mA was also studied as a function of operating time up to 40 h. Interestingly, CRI and CCT of such device tend to remain constant after 7 h of operating time suggesting that layer-by-layer structure of YAG:Ce phosphor and red-emitting CIS/ZnS QDs could be a good solution to achieve stable warm WLED, especially when high current density is applied.
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DOI: 10.1021/am404108n
Affiliations:
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Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Martyna, Michalska" sort="Martyna, Michalska" uniqKey="Martyna M" first="Michalska" last="Martyna">Michalska Martyna</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-211875" status="VALID"><idno type="IdRef">153068876</idno><idno type="RNSR">201320573K</idno><idno type="IdUnivLorraine">[UL]RQC--</idno><orgName>Laboratoire Réactions et Génie des Procédés</orgName><orgName type="acronym">LRGP</orgName><date type="start">2013-01-01</date><desc><address><addrLine>Université de Lorraine - ENSIC, 1 rue de Grandville BP 20451, 54001 Nancy Cedex</addrLine><country key="FR"></country></address><ref type="url">http://lrgp.univ-lorraine.fr/</ref></desc><listRelation><relation active="#struct-413289" type="direct"></relation><relation name="UMR7274" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-413289" type="direct"><org type="institution" xml:id="struct-413289" status="VALID"><idno type="IdRef">157040569</idno><idno type="IdUnivLorraine">[UL]100--</idno><orgName>Université de Lorraine</orgName><orgName type="acronym">UL</orgName><date type="start">2012-01-01</date><desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-lorraine.fr/</ref></desc></org></tutelle><tutelle name="UMR7274" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author><author><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-211875" status="VALID"><idno type="IdRef">153068876</idno><idno type="RNSR">201320573K</idno><idno type="IdUnivLorraine">[UL]RQC--</idno><orgName>Laboratoire Réactions et Génie des Procédés</orgName><orgName type="acronym">LRGP</orgName><date type="start">2013-01-01</date><desc><address><addrLine>Université de Lorraine - ENSIC, 1 rue de Grandville BP 20451, 54001 Nancy Cedex</addrLine><country key="FR"></country></address><ref type="url">http://lrgp.univ-lorraine.fr/</ref></desc><listRelation><relation active="#struct-413289" type="direct"></relation><relation name="UMR7274" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-413289" type="direct"><org type="institution" xml:id="struct-413289" status="VALID"><idno type="IdRef">157040569</idno><idno type="IdUnivLorraine">[UL]100--</idno><orgName>Université de Lorraine</orgName><orgName type="acronym">UL</orgName><date type="start">2012-01-01</date><desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-lorraine.fr/</ref></desc></org></tutelle><tutelle name="UMR7274" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName></affiliation></author><author><name sortKey="Audrey, Potdevin" sort="Audrey, Potdevin" uniqKey="Audrey P" first="Potdevin" last="Audrey">Potdevin Audrey</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-179392" status="VALID"><orgName>Institut de Chimie de Clermont-Ferrand</orgName><orgName type="acronym">ICCF</orgName><desc><address><addrLine>24 Avenue des Landais, 63177 Aubière Cedex</addrLine><country key="FR"></country></address></desc><listRelation><relation active="#struct-205618" type="direct"></relation><relation active="#struct-322672" type="direct"></relation><relation name="UMR6296" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-205618" type="direct"><org type="institution" xml:id="struct-205618" status="VALID"><orgName>Université Blaise Pascal - Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Deschamps, Jerome" sort="Deschamps, Jerome" uniqKey="Deschamps J" first="Jérôme" last="Deschamps">Jérôme Deschamps</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-179392" status="VALID"><orgName>Institut de Chimie de Clermont-Ferrand</orgName><orgName type="acronym">ICCF</orgName><desc><address><addrLine>24 Avenue des Landais, 63177 Aubière Cedex</addrLine><country key="FR"></country></address></desc><listRelation><relation active="#struct-205618" type="direct"></relation><relation active="#struct-322672" type="direct"></relation><relation name="UMR6296" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-205618" type="direct"><org type="institution" xml:id="struct-205618" status="VALID"><orgName>Université Blaise Pascal - Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Deloncle, Rodolphe" sort="Deloncle, Rodolphe" uniqKey="Deloncle R" first="Rodolphe" last="Deloncle">Rodolphe Deloncle</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-179392" status="VALID"><orgName>Institut de Chimie de Clermont-Ferrand</orgName><orgName type="acronym">ICCF</orgName><desc><address><addrLine>24 Avenue des Landais, 63177 Aubière Cedex</addrLine><country key="FR"></country></address></desc><listRelation><relation active="#struct-205618" type="direct"></relation><relation active="#struct-322672" type="direct"></relation><relation name="UMR6296" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-205618" type="direct"><org type="institution" xml:id="struct-205618" status="VALID"><orgName>Université Blaise Pascal - Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Chadeyron, Genevieve" sort="Chadeyron, Genevieve" uniqKey="Chadeyron G" first="Geneviève" last="Chadeyron">Geneviève Chadeyron</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-179392" status="VALID"><orgName>Institut de Chimie de Clermont-Ferrand</orgName><orgName type="acronym">ICCF</orgName><desc><address><addrLine>24 Avenue des Landais, 63177 Aubière Cedex</addrLine><country key="FR"></country></address></desc><listRelation><relation active="#struct-205618" type="direct"></relation><relation active="#struct-322672" type="direct"></relation><relation name="UMR6296" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-205618" type="direct"><org type="institution" xml:id="struct-205618" status="VALID"><orgName>Université Blaise Pascal - Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Mahiou, Rachid" sort="Mahiou, Rachid" uniqKey="Mahiou R" first="Rachid" last="Mahiou">Rachid Mahiou</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-179392" status="VALID"><orgName>Institut de Chimie de Clermont-Ferrand</orgName><orgName type="acronym">ICCF</orgName><desc><address><addrLine>24 Avenue des Landais, 63177 Aubière Cedex</addrLine><country key="FR"></country></address></desc><listRelation><relation active="#struct-205618" type="direct"></relation><relation active="#struct-322672" type="direct"></relation><relation name="UMR6296" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-205618" type="direct"><org type="institution" xml:id="struct-205618" status="VALID"><orgName>Université Blaise Pascal - Clermont-Ferrand 2</orgName><orgName type="acronym">UBP</orgName><desc><address><addrLine>34, avenue Carnot - BP 185 - 63006 Clermont-Ferrand cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-bpclermont.fr/</ref></desc></org></tutelle><tutelle active="#struct-322672" type="direct"><org type="institution" xml:id="struct-322672" status="VALID"><orgName>Sigma CLERMONT</orgName><orgName type="acronym">Sigma CLERMONT</orgName><date type="start">2016-01-01</date><desc><address><addrLine>Sigma CLERMONTCampus des Cézeaux CS 2026563178 Aubière Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.sigma-clermont.fr/</ref></desc></org></tutelle><tutelle name="UMR6296" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author></analytic><idno type="DOI">10.1021/am404108n</idno></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>CuInS2/ZnS core/shell QDs</term><term>YAG:Ce-CIS/ZnS QDs/silicone film</term><term>bilayered structure</term><term>white LED</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this work, we report the solvothermal synthesis of Ce-doped YAG (YAG:Ce) nanoparticles (NPs) and their association with a free-Cd CuInS2/ZnS (CIS/ZnS) core/shell QDs for application into white light emitting diode (WLED). 1500 °C-annealed YAG:Ce NPs and CIS/ZnS core/shell QDs exhibited intense yellow and red emissions band with maxima at 545 and 667 nm, respectively. Both YAG:Ce nanophosphor and CIS/ZnS QDs showed high photoluminescence quantum yield (PL QY) of about 50% upon 460 nm excitation. YAG:Ce nanophosphor layer and bilayered YAG:Ce nanophosphor-CIS/ZnS QDs were applied on blue InGaN chip as converter wavelength to achieve WLED. While YAG:Ce nanophosphor converter layer showed low color rendering index (CRI) and cold white light, bilayered YAG:Ce nanophosphor-CIS/ZnS QDs displayed higher CRI of about 84 and warm white light with a correlated color temperature (CCT) of 2784 K. WLED characteristics were measured as a function of forward current from 20 to 1200 mA. The white light stability of bilayered nanophosphor-QDs-based WLED operated at 200 mA was also studied as a function of operating time up to 40 h. Interestingly, CRI and CCT of such device tend to remain constant after 7 h of operating time suggesting that layer-by-layer structure of YAG:Ce phosphor and red-emitting CIS/ZnS QDs could be a good solution to achieve stable warm WLED, especially when high current density is applied.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Université de Lorraine</li></orgName></list><tree><country name="France"><noRegion><name sortKey="Abdelhay, Aboulaich" sort="Abdelhay, Aboulaich" uniqKey="Abdelhay A" first="Aboulaich" last="Abdelhay">Aboulaich Abdelhay</name></noRegion><name sortKey="Audrey, Potdevin" sort="Audrey, Potdevin" uniqKey="Audrey P" first="Potdevin" last="Audrey">Potdevin Audrey</name><name sortKey="Chadeyron, Genevieve" sort="Chadeyron, Genevieve" uniqKey="Chadeyron G" first="Geneviève" last="Chadeyron">Geneviève Chadeyron</name><name sortKey="Deloncle, Rodolphe" sort="Deloncle, Rodolphe" uniqKey="Deloncle R" first="Rodolphe" last="Deloncle">Rodolphe Deloncle</name><name sortKey="Deschamps, Jerome" sort="Deschamps, Jerome" uniqKey="Deschamps J" first="Jérôme" last="Deschamps">Jérôme Deschamps</name><name sortKey="Mahiou, Rachid" sort="Mahiou, Rachid" uniqKey="Mahiou R" first="Rachid" last="Mahiou">Rachid Mahiou</name><name sortKey="Martyna, Michalska" sort="Martyna, Michalska" uniqKey="Martyna M" first="Michalska" last="Martyna">Michalska Martyna</name><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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