{"title":"Synthesis and photoluminescence characteristics of Ba2Ca(PO4)4:Dy3+ phosphors for n-UV based solid-state lighting","authors":"A.N. Yerpude , C.M. Nandanwar , R.L. Kohale , N.S. Kokode , S.J. Dhoble","doi":"10.1016/j.mlblux.2023.100196","DOIUrl":null,"url":null,"abstract":"<div><p>A series of Ba<sub>2</sub>Ca(PO<sub>4</sub>)<sub>4</sub>:Dy<sup>3+</sup> phosphors were synthesized by the wet chemical method and the photoluminescence properties were systematically investigated. Under the 350 nm near ultraviolet excitation, Ba<sub>2</sub>Ca(PO<sub>4</sub>)<sub>4</sub>:Dy<sup>3+</sup> phosphor shows emission peak at 475 nm (blue) and 572 nm (yellow). At 0.5 mol% of Dy<sup>3+</sup> ions, concentration quenching was shown. The present study implies that the Ba<sub>2</sub>Ca(PO<sub>4</sub>)<sub>4</sub>:Dy<sup>3+</sup> phosphors would be a suitable choice for solid-state lighting applications as a near ultraviolet convertible phosphor.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"18 ","pages":"Article 100196"},"PeriodicalIF":2.2000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters: X","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2590150823000169","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
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Abstract
A series of Ba2Ca(PO4)4:Dy3+ phosphors were synthesized by the wet chemical method and the photoluminescence properties were systematically investigated. Under the 350 nm near ultraviolet excitation, Ba2Ca(PO4)4:Dy3+ phosphor shows emission peak at 475 nm (blue) and 572 nm (yellow). At 0.5 mol% of Dy3+ ions, concentration quenching was shown. The present study implies that the Ba2Ca(PO4)4:Dy3+ phosphors would be a suitable choice for solid-state lighting applications as a near ultraviolet convertible phosphor.
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