Synthesis of novel Dy3+ activated Ba2CaZn2Si6O17 phosphors for white light‐emitting diodes
Dysprosium ion (Dy3+) activated Ba2CaZn2Si6O17 phosphors were synthesized using high temperature solid‐state reaction method. Powder X‐ray diffraction (PXRD) analysis confirmed the phase formation of the as‐prepared phosphors. Scanning electron microscopy (SEM) analysis disclosed an agglomeration of...
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| Veröffentlicht in: | Luminescence (Chichester, England) England), 2018-05, Vol.33 (3), p.521-527 |
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| creator | Annadurai, G. Masilla Moses Kennedy, S. Sivakumar, V. |
| description | Dysprosium ion (Dy3+) activated Ba2CaZn2Si6O17 phosphors were synthesized using high temperature solid‐state reaction method. Powder X‐ray diffraction (PXRD) analysis confirmed the phase formation of the as‐prepared phosphors. Scanning electron microscopy (SEM) analysis disclosed an agglomeration of particles with an irregular morphology. Under 350 nm excitation, the emission spectrum of Dy3+ ions showed bands at 481 nm (blue), 577 nm (yellow) and 674 nm (red). The influence of the Dy3+ concentration on its emission intensity was investigated. The optimum concentration of Dy3+ ions in the Ba2CaZn2Si6O17:Dy3+ phosphors were found to be x = 0.06. The critical energy transfer distance was calculated. The fluorescence lifetime was also determined for Ba2CaZn2Si6O17:0.06Dy3+. The Commission International deI’Eclairage (CIE) chromaticity coordinates of the phosphor were calculated to be x = 0.304, y = 0.382. The activation energy for the thermal quenching was calculated to be 0.168 eV. These results indicated that the Ba2CaZn2Si6O17:Dy3+ phosphor might be a potential candidate for near ultraviolet (NUV)‐based white light‐emitting diodes. |
| doi_str_mv | 10.1002/bio.3441 |
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Powder X‐ray diffraction (PXRD) analysis confirmed the phase formation of the as‐prepared phosphors. Scanning electron microscopy (SEM) analysis disclosed an agglomeration of particles with an irregular morphology. Under 350 nm excitation, the emission spectrum of Dy3+ ions showed bands at 481 nm (blue), 577 nm (yellow) and 674 nm (red). The influence of the Dy3+ concentration on its emission intensity was investigated. The optimum concentration of Dy3+ ions in the Ba2CaZn2Si6O17:Dy3+ phosphors were found to be x = 0.06. The critical energy transfer distance was calculated. The fluorescence lifetime was also determined for Ba2CaZn2Si6O17:0.06Dy3+. The Commission International deI’Eclairage (CIE) chromaticity coordinates of the phosphor were calculated to be x = 0.304, y = 0.382. The activation energy for the thermal quenching was calculated to be 0.168 eV. These results indicated that the Ba2CaZn2Si6O17:Dy3+ phosphor might be a potential candidate for near ultraviolet (NUV)‐based white light‐emitting diodes.</description><identifier>ISSN: 1522-7235</identifier><identifier>EISSN: 1522-7243</identifier><identifier>DOI: 10.1002/bio.3441</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>activation energy ; Chemical synthesis ; Chromaticity ; Diodes ; Dysprosium ; Electron microscopy ; Emission analysis ; Energy transfer ; Excitation spectra ; Fluorescence ; High temperature ; inorganic compounds ; luminescence ; Mathematical analysis ; optical materials ; Organic light emitting diodes ; Phosphors ; Powder ; Scanning electron microscopy ; Ultraviolet radiation ; White light ; WLEDs</subject><ispartof>Luminescence (Chichester, England), 2018-05, Vol.33 (3), p.521-527</ispartof><rights>Copyright © 2018 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-0920-3627</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fbio.3441$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fbio.3441$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Annadurai, G.</creatorcontrib><creatorcontrib>Masilla Moses Kennedy, S.</creatorcontrib><creatorcontrib>Sivakumar, V.</creatorcontrib><title>Synthesis of novel Dy3+ activated Ba2CaZn2Si6O17 phosphors for white light‐emitting diodes</title><title>Luminescence (Chichester, England)</title><description>Dysprosium ion (Dy3+) activated Ba2CaZn2Si6O17 phosphors were synthesized using high temperature solid‐state reaction method. Powder X‐ray diffraction (PXRD) analysis confirmed the phase formation of the as‐prepared phosphors. Scanning electron microscopy (SEM) analysis disclosed an agglomeration of particles with an irregular morphology. Under 350 nm excitation, the emission spectrum of Dy3+ ions showed bands at 481 nm (blue), 577 nm (yellow) and 674 nm (red). The influence of the Dy3+ concentration on its emission intensity was investigated. The optimum concentration of Dy3+ ions in the Ba2CaZn2Si6O17:Dy3+ phosphors were found to be x = 0.06. The critical energy transfer distance was calculated. The fluorescence lifetime was also determined for Ba2CaZn2Si6O17:0.06Dy3+. The Commission International deI’Eclairage (CIE) chromaticity coordinates of the phosphor were calculated to be x = 0.304, y = 0.382. The activation energy for the thermal quenching was calculated to be 0.168 eV. These results indicated that the Ba2CaZn2Si6O17:Dy3+ phosphor might be a potential candidate for near ultraviolet (NUV)‐based white light‐emitting diodes.</description><subject>activation energy</subject><subject>Chemical synthesis</subject><subject>Chromaticity</subject><subject>Diodes</subject><subject>Dysprosium</subject><subject>Electron microscopy</subject><subject>Emission analysis</subject><subject>Energy transfer</subject><subject>Excitation spectra</subject><subject>Fluorescence</subject><subject>High temperature</subject><subject>inorganic compounds</subject><subject>luminescence</subject><subject>Mathematical analysis</subject><subject>optical materials</subject><subject>Organic light emitting diodes</subject><subject>Phosphors</subject><subject>Powder</subject><subject>Scanning electron microscopy</subject><subject>Ultraviolet radiation</subject><subject>White light</subject><subject>WLEDs</subject><issn>1522-7235</issn><issn>1522-7243</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kN1KwzAcxYMoOKfgIwS8lM7kn7ZbLt38Ggx6Mb0RIaRJumZ0TW2yjd75CD6jT2LHxIvDOReHc-CH0DUlI0oI3OXWjVgc0xM0oAlANIaYnf5nlpyjC-_XhJA0TfkAfSy7OpTGW49dgWu3MxV-6NgtlirYnQxG46mEmXyvYWnTjI5xUzrfq_W4cC3elzYYXNlVGX6-vs3GhmDrFdbWaeMv0VkhK2-u_nyI3p4eX2cv0SJ7ns_uF1FDE0ojPpFaFTlXDEBSSZTKFZUxyynkoMd5YgyA0rHSPGcKkgIKJTUvCKQ8nnDKhujmuNu07nNrfBBrt23r_lIAAcZYEvOkb0XH1t5WphNNazey7QQl4gBO9ODEAZyYzrODs18VM2NO</recordid><startdate>201805</startdate><enddate>201805</enddate><creator>Annadurai, G.</creator><creator>Masilla Moses Kennedy, S.</creator><creator>Sivakumar, V.</creator><general>Wiley Subscription Services, Inc</general><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>7U7</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H95</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-0920-3627</orcidid></search><sort><creationdate>201805</creationdate><title>Synthesis of novel Dy3+ activated Ba2CaZn2Si6O17 phosphors for white light‐emitting diodes</title><author>Annadurai, G. ; Masilla Moses Kennedy, S. ; Sivakumar, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p1511-98adcfb9c322a1a0ccbc1a43b12b2d7b5ee22cd4cd9b3c25f2fcad9f026948913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>activation energy</topic><topic>Chemical synthesis</topic><topic>Chromaticity</topic><topic>Diodes</topic><topic>Dysprosium</topic><topic>Electron microscopy</topic><topic>Emission analysis</topic><topic>Energy transfer</topic><topic>Excitation spectra</topic><topic>Fluorescence</topic><topic>High temperature</topic><topic>inorganic compounds</topic><topic>luminescence</topic><topic>Mathematical analysis</topic><topic>optical materials</topic><topic>Organic light emitting diodes</topic><topic>Phosphors</topic><topic>Powder</topic><topic>Scanning electron microscopy</topic><topic>Ultraviolet radiation</topic><topic>White light</topic><topic>WLEDs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Annadurai, G.</creatorcontrib><creatorcontrib>Masilla Moses Kennedy, S.</creatorcontrib><creatorcontrib>Sivakumar, V.</creatorcontrib><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Toxicology Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Luminescence (Chichester, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Annadurai, G.</au><au>Masilla Moses Kennedy, S.</au><au>Sivakumar, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis of novel Dy3+ activated Ba2CaZn2Si6O17 phosphors for white light‐emitting diodes</atitle><jtitle>Luminescence (Chichester, England)</jtitle><date>2018-05</date><risdate>2018</risdate><volume>33</volume><issue>3</issue><spage>521</spage><epage>527</epage><pages>521-527</pages><issn>1522-7235</issn><eissn>1522-7243</eissn><abstract>Dysprosium ion (Dy3+) activated Ba2CaZn2Si6O17 phosphors were synthesized using high temperature solid‐state reaction method. Powder X‐ray diffraction (PXRD) analysis confirmed the phase formation of the as‐prepared phosphors. Scanning electron microscopy (SEM) analysis disclosed an agglomeration of particles with an irregular morphology. Under 350 nm excitation, the emission spectrum of Dy3+ ions showed bands at 481 nm (blue), 577 nm (yellow) and 674 nm (red). The influence of the Dy3+ concentration on its emission intensity was investigated. The optimum concentration of Dy3+ ions in the Ba2CaZn2Si6O17:Dy3+ phosphors were found to be x = 0.06. The critical energy transfer distance was calculated. The fluorescence lifetime was also determined for Ba2CaZn2Si6O17:0.06Dy3+. The Commission International deI’Eclairage (CIE) chromaticity coordinates of the phosphor were calculated to be x = 0.304, y = 0.382. The activation energy for the thermal quenching was calculated to be 0.168 eV. These results indicated that the Ba2CaZn2Si6O17:Dy3+ phosphor might be a potential candidate for near ultraviolet (NUV)‐based white light‐emitting diodes.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/bio.3441</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-0920-3627</orcidid></addata></record> |
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| subjects | activation energy Chemical synthesis Chromaticity Diodes Dysprosium Electron microscopy Emission analysis Energy transfer Excitation spectra Fluorescence High temperature inorganic compounds luminescence Mathematical analysis optical materials Organic light emitting diodes Phosphors Powder Scanning electron microscopy Ultraviolet radiation White light WLEDs |
| title | Synthesis of novel Dy3+ activated Ba2CaZn2Si6O17 phosphors for white light‐emitting diodes |
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