Luminescence properties and energy transfer of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors
A sequence of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors were produced by sol-gel reaction method. A number of properties such as phase composition, crystal structure, luminescence performance, lifetime decay curves and mechanism of energy transfer were discussed. Characteristic emission pertain to...
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| Veröffentlicht in: | Materials chemistry and physics 2020-03, Vol.243, p.122623, Article 122623 |
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| description | A sequence of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors were produced by sol-gel reaction method. A number of properties such as phase composition, crystal structure, luminescence performance, lifetime decay curves and mechanism of energy transfer were discussed. Characteristic emission pertain to Dy3+ and Eu3+ ions were observed in its emission spectrum when excited under a wavelength of 349 nm. By comparing the emission spectrum and the fluorescence lifetime decay curves of LaAl2.03(B4O10)O0.54: 0.06Dy3+, yEu3+ phosphors, it can bear out that the energy transfer among Dy3+ ions and Eu3+ ions was existed, and the mechanism of energy transfer was proved to dipole-dipole interaction. The color of these samples can change from green to orange with the increase of concentration of Eu3+ ions concentration, and its correlated color temperature is improved. These results show that the LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors can be applied for warm WLEDs under near ultraviolet (n-UV).
•LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ is a novel phosphor for use as a warm WLED.•Effective energy transfer exist from Dy3+ to Eu3+ in this phosphors.•The energy transfer in this phosphor was demonstrated to be dipole-dipole. |
| doi_str_mv | 10.1016/j.matchemphys.2020.122623 |
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•LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ is a novel phosphor for use as a warm WLED.•Effective energy transfer exist from Dy3+ to Eu3+ in this phosphors.•The energy transfer in this phosphor was demonstrated to be dipole-dipole.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><identifier>DOI: 10.1016/j.matchemphys.2020.122623</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Color temperature ; Crystal structure ; Decay ; Dipole interactions ; Emission ; Energy transfer ; Europium ; Excitation spectra ; Fluorescence ; Luminescence ; Optical properties ; Phase composition ; Phosphor ; Phosphors ; Sol-gel processes ; Sol-gel reaction</subject><ispartof>Materials chemistry and physics, 2020-03, Vol.243, p.122623, Article 122623</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Mar 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1948-df6dbd7d4c6a11f6ab0d5adafdb969d9de07b6041c9771f8d09af9c17159aa4c3</citedby><cites>FETCH-LOGICAL-c1948-df6dbd7d4c6a11f6ab0d5adafdb969d9de07b6041c9771f8d09af9c17159aa4c3</cites><orcidid>0000-0002-9544-5322</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0254058420300055$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Ren, Qiang</creatorcontrib><creatorcontrib>Zhao, Yujing</creatorcontrib><creatorcontrib>Wu, Xiulan</creatorcontrib><creatorcontrib>Zheng, Jinle</creatorcontrib><creatorcontrib>Ren, Yuhan</creatorcontrib><creatorcontrib>Hai, Ou</creatorcontrib><title>Luminescence properties and energy transfer of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors</title><title>Materials chemistry and physics</title><description>A sequence of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors were produced by sol-gel reaction method. A number of properties such as phase composition, crystal structure, luminescence performance, lifetime decay curves and mechanism of energy transfer were discussed. Characteristic emission pertain to Dy3+ and Eu3+ ions were observed in its emission spectrum when excited under a wavelength of 349 nm. By comparing the emission spectrum and the fluorescence lifetime decay curves of LaAl2.03(B4O10)O0.54: 0.06Dy3+, yEu3+ phosphors, it can bear out that the energy transfer among Dy3+ ions and Eu3+ ions was existed, and the mechanism of energy transfer was proved to dipole-dipole interaction. The color of these samples can change from green to orange with the increase of concentration of Eu3+ ions concentration, and its correlated color temperature is improved. These results show that the LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors can be applied for warm WLEDs under near ultraviolet (n-UV).
•LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ is a novel phosphor for use as a warm WLED.•Effective energy transfer exist from Dy3+ to Eu3+ in this phosphors.•The energy transfer in this phosphor was demonstrated to be dipole-dipole.</description><subject>Color temperature</subject><subject>Crystal structure</subject><subject>Decay</subject><subject>Dipole interactions</subject><subject>Emission</subject><subject>Energy transfer</subject><subject>Europium</subject><subject>Excitation spectra</subject><subject>Fluorescence</subject><subject>Luminescence</subject><subject>Optical properties</subject><subject>Phase composition</subject><subject>Phosphor</subject><subject>Phosphors</subject><subject>Sol-gel processes</subject><subject>Sol-gel reaction</subject><issn>0254-0584</issn><issn>1879-3312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqNkElPwzAQhS0EEqXwH4y4gEqCtyzmVkpZpEi9wIGT5Xihidok2AlS_j2uwoEjh9FIo_fezHwAXGIUY4TTuzrey15tzb7bjj4miIQ5ISmhR2CG84xHlGJyDGaIJCxCSc5OwZn3NUI4w5jOwEcx7KvGeGUaZWDn2s64vjIeykZD0xj3OcLeycZb42BrYSGXOxIjev3ANhjdbFCcsHv4ONLFLVwPdAG7betDOX8OTqzceXPx2-fg_Wn9tnqJis3z62pZRApzlkfaprrUmWYqlRjbVJZIJ1JLq0uecs21QVmZIoYVzzJsc424tFyF8xMuJVN0Dq6m3HD812B8L-p2cE1YKQijJM8TQvOg4pNKudZ7Z6zoXLWXbhQYiQNJUYs_JMWBpJhIBu9q8prwxndlnPCqOvDSlTOqF7qt_pHyA1WhgFE</recordid><startdate>20200301</startdate><enddate>20200301</enddate><creator>Ren, Qiang</creator><creator>Zhao, Yujing</creator><creator>Wu, Xiulan</creator><creator>Zheng, Jinle</creator><creator>Ren, Yuhan</creator><creator>Hai, Ou</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-9544-5322</orcidid></search><sort><creationdate>20200301</creationdate><title>Luminescence properties and energy transfer of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors</title><author>Ren, Qiang ; Zhao, Yujing ; Wu, Xiulan ; Zheng, Jinle ; Ren, Yuhan ; Hai, Ou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1948-df6dbd7d4c6a11f6ab0d5adafdb969d9de07b6041c9771f8d09af9c17159aa4c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Color temperature</topic><topic>Crystal structure</topic><topic>Decay</topic><topic>Dipole interactions</topic><topic>Emission</topic><topic>Energy transfer</topic><topic>Europium</topic><topic>Excitation spectra</topic><topic>Fluorescence</topic><topic>Luminescence</topic><topic>Optical properties</topic><topic>Phase composition</topic><topic>Phosphor</topic><topic>Phosphors</topic><topic>Sol-gel processes</topic><topic>Sol-gel reaction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ren, Qiang</creatorcontrib><creatorcontrib>Zhao, Yujing</creatorcontrib><creatorcontrib>Wu, Xiulan</creatorcontrib><creatorcontrib>Zheng, Jinle</creatorcontrib><creatorcontrib>Ren, Yuhan</creatorcontrib><creatorcontrib>Hai, Ou</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ren, Qiang</au><au>Zhao, Yujing</au><au>Wu, Xiulan</au><au>Zheng, Jinle</au><au>Ren, Yuhan</au><au>Hai, Ou</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Luminescence properties and energy transfer of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors</atitle><jtitle>Materials chemistry and physics</jtitle><date>2020-03-01</date><risdate>2020</risdate><volume>243</volume><spage>122623</spage><pages>122623-</pages><artnum>122623</artnum><issn>0254-0584</issn><eissn>1879-3312</eissn><abstract>A sequence of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors were produced by sol-gel reaction method. A number of properties such as phase composition, crystal structure, luminescence performance, lifetime decay curves and mechanism of energy transfer were discussed. Characteristic emission pertain to Dy3+ and Eu3+ ions were observed in its emission spectrum when excited under a wavelength of 349 nm. By comparing the emission spectrum and the fluorescence lifetime decay curves of LaAl2.03(B4O10)O0.54: 0.06Dy3+, yEu3+ phosphors, it can bear out that the energy transfer among Dy3+ ions and Eu3+ ions was existed, and the mechanism of energy transfer was proved to dipole-dipole interaction. The color of these samples can change from green to orange with the increase of concentration of Eu3+ ions concentration, and its correlated color temperature is improved. These results show that the LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors can be applied for warm WLEDs under near ultraviolet (n-UV).
•LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ is a novel phosphor for use as a warm WLED.•Effective energy transfer exist from Dy3+ to Eu3+ in this phosphors.•The energy transfer in this phosphor was demonstrated to be dipole-dipole.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matchemphys.2020.122623</doi><orcidid>https://orcid.org/0000-0002-9544-5322</orcidid></addata></record> |
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| subjects | Color temperature Crystal structure Decay Dipole interactions Emission Energy transfer Europium Excitation spectra Fluorescence Luminescence Optical properties Phase composition Phosphor Phosphors Sol-gel processes Sol-gel reaction |
| title | Luminescence properties and energy transfer of LaAl2.03(B4O10)O0.54: Dy3+, Eu3+ phosphors |
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