Novel blue-emitting KBaGdSi2O7:Eu2+ phosphor used for near-UV white-light LED
Novel blue-emitting KBaGdSi 2 O 7 :Eu 2+ phosphors were designed and synthesized through solid-state reaction method. The structural properties, concentration, and temperature-dependent luminescence behaviors of these phosphors were investigated in detail in this paper. Studies revealed that KBaGdSi...
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| Veröffentlicht in: | Journal of materials science. Materials in electronics 2020-02, Vol.31 (4), p.3159-3165 |
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| container_title | Journal of materials science. Materials in electronics |
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| creator | He, Qinjiang Fu, Renli Gao, Weijun Zhu, Haitao Song, Xiufeng Su, Xinqing |
| description | Novel blue-emitting KBaGdSi
2
O
7
:Eu
2+
phosphors were designed and synthesized through solid-state reaction method. The structural properties, concentration, and temperature-dependent luminescence behaviors of these phosphors were investigated in detail in this paper. Studies revealed that KBaGdSi
2
O
7
:Eu
2+
phosphors have an intense absorption in the broad wavelength ranging from 250 to 400 nm that is suitable for the commercial near-UV LED, and give out intense blue light peaked at 475 nm with a full-width half-maximum of 75 nm. The crystallographic information of KBaGdSi
2
O
7
phase is revealed from XRD pattern by Rietveld refinement. Band gap is derived to be 3.93 eV through diffuse reflection spectra through Kubelka Munk function. The concentration quenching mechanism is identified as the dipole–dipole interaction. Moreover, the thermal quenching experiment was also conducted and the activation energy is calculated as 0.3069 eV, which indicates this novel KBaGdSi
2
O
7
:Eu
2+
phosphor has good thermal stability. These properties exhibit its potential commercial application for near-UV white-light LEDs (w-LEDs). |
| doi_str_mv | 10.1007/s10854-020-02862-5 |
| format | Article |
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2
O
7
:Eu
2+
phosphors were designed and synthesized through solid-state reaction method. The structural properties, concentration, and temperature-dependent luminescence behaviors of these phosphors were investigated in detail in this paper. Studies revealed that KBaGdSi
2
O
7
:Eu
2+
phosphors have an intense absorption in the broad wavelength ranging from 250 to 400 nm that is suitable for the commercial near-UV LED, and give out intense blue light peaked at 475 nm with a full-width half-maximum of 75 nm. The crystallographic information of KBaGdSi
2
O
7
phase is revealed from XRD pattern by Rietveld refinement. Band gap is derived to be 3.93 eV through diffuse reflection spectra through Kubelka Munk function. The concentration quenching mechanism is identified as the dipole–dipole interaction. Moreover, the thermal quenching experiment was also conducted and the activation energy is calculated as 0.3069 eV, which indicates this novel KBaGdSi
2
O
7
:Eu
2+
phosphor has good thermal stability. These properties exhibit its potential commercial application for near-UV white-light LEDs (w-LEDs).</description><identifier>ISSN: 0957-4522</identifier><identifier>EISSN: 1573-482X</identifier><identifier>DOI: 10.1007/s10854-020-02862-5</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Characterization and Evaluation of Materials ; Chemical synthesis ; Chemistry and Materials Science ; Crystallography ; Diodes ; Dipole interactions ; Europium ; Light emitting diodes ; Materials Science ; Optical and Electronic Materials ; Phosphors ; Quenching ; Temperature dependence ; Thermal stability ; White light</subject><ispartof>Journal of materials science. Materials in electronics, 2020-02, Vol.31 (4), p.3159-3165</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Journal of Materials Science: Materials in Electronics is a copyright of Springer, (2020). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-6449-7974</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10854-020-02862-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10854-020-02862-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>He, Qinjiang</creatorcontrib><creatorcontrib>Fu, Renli</creatorcontrib><creatorcontrib>Gao, Weijun</creatorcontrib><creatorcontrib>Zhu, Haitao</creatorcontrib><creatorcontrib>Song, Xiufeng</creatorcontrib><creatorcontrib>Su, Xinqing</creatorcontrib><title>Novel blue-emitting KBaGdSi2O7:Eu2+ phosphor used for near-UV white-light LED</title><title>Journal of materials science. Materials in electronics</title><addtitle>J Mater Sci: Mater Electron</addtitle><description>Novel blue-emitting KBaGdSi
2
O
7
:Eu
2+
phosphors were designed and synthesized through solid-state reaction method. The structural properties, concentration, and temperature-dependent luminescence behaviors of these phosphors were investigated in detail in this paper. Studies revealed that KBaGdSi
2
O
7
:Eu
2+
phosphors have an intense absorption in the broad wavelength ranging from 250 to 400 nm that is suitable for the commercial near-UV LED, and give out intense blue light peaked at 475 nm with a full-width half-maximum of 75 nm. The crystallographic information of KBaGdSi
2
O
7
phase is revealed from XRD pattern by Rietveld refinement. Band gap is derived to be 3.93 eV through diffuse reflection spectra through Kubelka Munk function. The concentration quenching mechanism is identified as the dipole–dipole interaction. Moreover, the thermal quenching experiment was also conducted and the activation energy is calculated as 0.3069 eV, which indicates this novel KBaGdSi
2
O
7
:Eu
2+
phosphor has good thermal stability. These properties exhibit its potential commercial application for near-UV white-light LEDs (w-LEDs).</description><subject>Characterization and Evaluation of Materials</subject><subject>Chemical synthesis</subject><subject>Chemistry and Materials Science</subject><subject>Crystallography</subject><subject>Diodes</subject><subject>Dipole interactions</subject><subject>Europium</subject><subject>Light emitting diodes</subject><subject>Materials Science</subject><subject>Optical and Electronic Materials</subject><subject>Phosphors</subject><subject>Quenching</subject><subject>Temperature dependence</subject><subject>Thermal stability</subject><subject>White light</subject><issn>0957-4522</issn><issn>1573-482X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpFkE9PwzAMxSMEEmPwBThF4ogCiRM3GTf-jIEY7ABD3KJ0TbZOZS1NC1-fwJA4PNmSn-znHyHHgp8JzvV5FNygYhx4ksmA4Q4ZCNSSKQNvu2TAR6iZQoB9chDjmnOeKWkG5PGp_vQVzaveM_9edl25WdKHKzcpnkuY6YtxD6e0WdUxqaV99AUNqdl417L5K_1alZ1nVblcdXQ6vjkke8FV0R_91SGZ345fru_YdDa5v76csiZl6pjKhfJFEUAWbmHyhV_kfoQBnEKTZ05DQOEDGDUqpMMMldMmOIkuDVErJYfkZLu3aeuP3sfOruu-3aSTFiQC11pxk1xy64pNm97y7b9LcPvDzW652cTN_nKzKL8BtbJfVw</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>He, Qinjiang</creator><creator>Fu, Renli</creator><creator>Gao, Weijun</creator><creator>Zhu, Haitao</creator><creator>Song, Xiufeng</creator><creator>Su, Xinqing</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>7SP</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>S0W</scope><orcidid>https://orcid.org/0000-0001-6449-7974</orcidid></search><sort><creationdate>20200201</creationdate><title>Novel blue-emitting KBaGdSi2O7:Eu2+ phosphor used for near-UV white-light LED</title><author>He, Qinjiang ; Fu, Renli ; Gao, Weijun ; Zhu, Haitao ; Song, Xiufeng ; Su, Xinqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p157t-4b14eddf23dac8bcecbe95f2a458b6a72f51ef2849d3a5654a78fa35ab6a57443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Characterization and Evaluation of Materials</topic><topic>Chemical synthesis</topic><topic>Chemistry and Materials Science</topic><topic>Crystallography</topic><topic>Diodes</topic><topic>Dipole interactions</topic><topic>Europium</topic><topic>Light emitting diodes</topic><topic>Materials Science</topic><topic>Optical and Electronic Materials</topic><topic>Phosphors</topic><topic>Quenching</topic><topic>Temperature dependence</topic><topic>Thermal stability</topic><topic>White light</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Qinjiang</creatorcontrib><creatorcontrib>Fu, Renli</creatorcontrib><creatorcontrib>Gao, Weijun</creatorcontrib><creatorcontrib>Zhu, Haitao</creatorcontrib><creatorcontrib>Song, Xiufeng</creatorcontrib><creatorcontrib>Su, Xinqing</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ProQuest advanced technologies & aerospace journals</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Materials science collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>DELNET Engineering & Technology Collection</collection><jtitle>Journal of materials science. Materials in electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>He, Qinjiang</au><au>Fu, Renli</au><au>Gao, Weijun</au><au>Zhu, Haitao</au><au>Song, Xiufeng</au><au>Su, Xinqing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel blue-emitting KBaGdSi2O7:Eu2+ phosphor used for near-UV white-light LED</atitle><jtitle>Journal of materials science. Materials in electronics</jtitle><stitle>J Mater Sci: Mater Electron</stitle><date>2020-02-01</date><risdate>2020</risdate><volume>31</volume><issue>4</issue><spage>3159</spage><epage>3165</epage><pages>3159-3165</pages><issn>0957-4522</issn><eissn>1573-482X</eissn><abstract>Novel blue-emitting KBaGdSi
2
O
7
:Eu
2+
phosphors were designed and synthesized through solid-state reaction method. The structural properties, concentration, and temperature-dependent luminescence behaviors of these phosphors were investigated in detail in this paper. Studies revealed that KBaGdSi
2
O
7
:Eu
2+
phosphors have an intense absorption in the broad wavelength ranging from 250 to 400 nm that is suitable for the commercial near-UV LED, and give out intense blue light peaked at 475 nm with a full-width half-maximum of 75 nm. The crystallographic information of KBaGdSi
2
O
7
phase is revealed from XRD pattern by Rietveld refinement. Band gap is derived to be 3.93 eV through diffuse reflection spectra through Kubelka Munk function. The concentration quenching mechanism is identified as the dipole–dipole interaction. Moreover, the thermal quenching experiment was also conducted and the activation energy is calculated as 0.3069 eV, which indicates this novel KBaGdSi
2
O
7
:Eu
2+
phosphor has good thermal stability. These properties exhibit its potential commercial application for near-UV white-light LEDs (w-LEDs).</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10854-020-02862-5</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6449-7974</orcidid></addata></record> |
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| subjects | Characterization and Evaluation of Materials Chemical synthesis Chemistry and Materials Science Crystallography Diodes Dipole interactions Europium Light emitting diodes Materials Science Optical and Electronic Materials Phosphors Quenching Temperature dependence Thermal stability White light |
| title | Novel blue-emitting KBaGdSi2O7:Eu2+ phosphor used for near-UV white-light LED |
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