Novel Mn4+ doped Ca2GdSbO6 red–emitting phosphor: A potential color converter for light‐emitting diodes
As potential color converter towards white/red light–emitting diodes, novel Ca2GdSbO6:Mn4+ phosphors with excellent optical performances were prepared by a conventional solid–state reaction route. The as–prepared phosphors with monoclinic crystal system had abundant [SbO6] octahedrons for Mn4+ ions...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2019-08, Vol.102 (8), p.4730-4736 |
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| container_issue | 8 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Liang, Jia Devakumar, Balaji Sun, Liangling Sun, Qi Wang, Shaoying Huang, Xiaoyong |
| description | As potential color converter towards white/red light–emitting diodes, novel Ca2GdSbO6:Mn4+ phosphors with excellent optical performances were prepared by a conventional solid–state reaction route. The as–prepared phosphors with monoclinic crystal system had abundant [SbO6] octahedrons for Mn4+ ions to occupy and stably exist. With an excitation of 356 nm, an intense red emission peaking at 676 nm attributed to 2Eg→4A2g transition of Mn4+ ions can be observed in the emission spectrum. The critical concentration of Mn4+ ions was found to be 0.6 mol% and the concentration quenching mechanism was also discussed in detail. Importantly, the Ca2GdSbO6:0.6%Mn4+ phosphors exhibited a high internal quantum efficiency of 38.9%.
Novel red phosphors Ca2GdSbO6:Mn4+ with high efficiency were developed. |
| doi_str_mv | 10.1111/jace.16353 |
| format | Article |
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Novel red phosphors Ca2GdSbO6:Mn4+ with high efficiency were developed.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.16353</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>Color ; Converters ; Diodes ; Emission ; Light–emitting diodes ; luminescence properties ; Manganese ions ; Mn4+ ions ; Octahedrons ; Organic light emitting diodes ; Phosphors ; Quantum efficiency ; Red–emitting phosphors</subject><ispartof>Journal of the American Ceramic Society, 2019-08, Vol.102 (8), p.4730-4736</ispartof><rights>2019 The American Ceramic Society</rights><rights>2019 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-4076-7874</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.16353$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.16353$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids></links><search><creatorcontrib>Liang, Jia</creatorcontrib><creatorcontrib>Devakumar, Balaji</creatorcontrib><creatorcontrib>Sun, Liangling</creatorcontrib><creatorcontrib>Sun, Qi</creatorcontrib><creatorcontrib>Wang, Shaoying</creatorcontrib><creatorcontrib>Huang, Xiaoyong</creatorcontrib><title>Novel Mn4+ doped Ca2GdSbO6 red–emitting phosphor: A potential color converter for light‐emitting diodes</title><title>Journal of the American Ceramic Society</title><description>As potential color converter towards white/red light–emitting diodes, novel Ca2GdSbO6:Mn4+ phosphors with excellent optical performances were prepared by a conventional solid–state reaction route. The as–prepared phosphors with monoclinic crystal system had abundant [SbO6] octahedrons for Mn4+ ions to occupy and stably exist. With an excitation of 356 nm, an intense red emission peaking at 676 nm attributed to 2Eg→4A2g transition of Mn4+ ions can be observed in the emission spectrum. The critical concentration of Mn4+ ions was found to be 0.6 mol% and the concentration quenching mechanism was also discussed in detail. Importantly, the Ca2GdSbO6:0.6%Mn4+ phosphors exhibited a high internal quantum efficiency of 38.9%.
Novel red phosphors Ca2GdSbO6:Mn4+ with high efficiency were developed.</description><subject>Color</subject><subject>Converters</subject><subject>Diodes</subject><subject>Emission</subject><subject>Light–emitting diodes</subject><subject>luminescence properties</subject><subject>Manganese ions</subject><subject>Mn4+ ions</subject><subject>Octahedrons</subject><subject>Organic light emitting diodes</subject><subject>Phosphors</subject><subject>Quantum efficiency</subject><subject>Red–emitting phosphors</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNo9kM1OwkAQxzdGExG9-ASbeDTF_WrZ9UYaQA3KQT1vtuwUWku3bguGG49g4hvyJBYwTjIf_2TmP8kPoWtKerSNu9zMoEcjHvIT1KFhSAOmaHSKOoQQFvQlI-fooq7zVlIlRQd9vLg1FPi5FLfYugosjg0b29dkGmEPdrf9gWXWNFk5x9XC1W36ezzAlWugbDJT4JkrnG9ruQbfgMdpq4psvmh22-__U5s5C_UlOktNUcPVX--i99HwLX4IJtPxYzyYBDljlAdCUS5UQoClxso-YYkyVCbAVWQSa4hkQnBKE6aiGQVuU24khJxLlaTCSMO76OboW3n3uYK60blb-bJ9qRnjvM9F1Dp0ET1ufWUFbHTls6XxG02J3pPUe5L6QFI_DeLhYeK_vw1qXA</recordid><startdate>201908</startdate><enddate>201908</enddate><creator>Liang, Jia</creator><creator>Devakumar, Balaji</creator><creator>Sun, Liangling</creator><creator>Sun, Qi</creator><creator>Wang, Shaoying</creator><creator>Huang, Xiaoyong</creator><general>Wiley Subscription Services, Inc</general><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-4076-7874</orcidid></search><sort><creationdate>201908</creationdate><title>Novel Mn4+ doped Ca2GdSbO6 red–emitting phosphor: A potential color converter for light‐emitting diodes</title><author>Liang, Jia ; Devakumar, Balaji ; Sun, Liangling ; Sun, Qi ; Wang, Shaoying ; Huang, Xiaoyong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j2213-491349b0e2fad8702b9a18be396abda08244311b296c1e3df3a8e53389bf4a8a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Color</topic><topic>Converters</topic><topic>Diodes</topic><topic>Emission</topic><topic>Light–emitting diodes</topic><topic>luminescence properties</topic><topic>Manganese ions</topic><topic>Mn4+ ions</topic><topic>Octahedrons</topic><topic>Organic light emitting diodes</topic><topic>Phosphors</topic><topic>Quantum efficiency</topic><topic>Red–emitting phosphors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liang, Jia</creatorcontrib><creatorcontrib>Devakumar, Balaji</creatorcontrib><creatorcontrib>Sun, Liangling</creatorcontrib><creatorcontrib>Sun, Qi</creatorcontrib><creatorcontrib>Wang, Shaoying</creatorcontrib><creatorcontrib>Huang, Xiaoyong</creatorcontrib><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liang, Jia</au><au>Devakumar, Balaji</au><au>Sun, Liangling</au><au>Sun, Qi</au><au>Wang, Shaoying</au><au>Huang, Xiaoyong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel Mn4+ doped Ca2GdSbO6 red–emitting phosphor: A potential color converter for light‐emitting diodes</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2019-08</date><risdate>2019</risdate><volume>102</volume><issue>8</issue><spage>4730</spage><epage>4736</epage><pages>4730-4736</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>As potential color converter towards white/red light–emitting diodes, novel Ca2GdSbO6:Mn4+ phosphors with excellent optical performances were prepared by a conventional solid–state reaction route. The as–prepared phosphors with monoclinic crystal system had abundant [SbO6] octahedrons for Mn4+ ions to occupy and stably exist. With an excitation of 356 nm, an intense red emission peaking at 676 nm attributed to 2Eg→4A2g transition of Mn4+ ions can be observed in the emission spectrum. The critical concentration of Mn4+ ions was found to be 0.6 mol% and the concentration quenching mechanism was also discussed in detail. Importantly, the Ca2GdSbO6:0.6%Mn4+ phosphors exhibited a high internal quantum efficiency of 38.9%.
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| source | Wiley Online Library All Journals |
| subjects | Color Converters Diodes Emission Light–emitting diodes luminescence properties Manganese ions Mn4+ ions Octahedrons Organic light emitting diodes Phosphors Quantum efficiency Red–emitting phosphors |
| title | Novel Mn4+ doped Ca2GdSbO6 red–emitting phosphor: A potential color converter for light‐emitting diodes |
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