A novel red-emitting K2Ca(PO4)F:Eu2+ phosphor with a large Stokes shift

We report a K2CaPO4F:Eu2+ phosphor with a new crystal structure. This phosphor has a large Stokes shift and converts near-ultraviolet light to red luminescence without absorption of other visible light. The mechanism was elucidated by applying a constrained density functional theory to the solved cr...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018-01, Vol.54 (8), p.884-887
Hauptverfasser: Daicho, H, Shinomiya, Y, Enomoto, K, Nakano, A, Sawa, H, Matsuishi, S, Hosono, H
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Sprache:eng
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Zusammenfassung:We report a K2CaPO4F:Eu2+ phosphor with a new crystal structure. This phosphor has a large Stokes shift and converts near-ultraviolet light to red luminescence without absorption of other visible light. The mechanism was elucidated by applying a constrained density functional theory to the solved crystal structure.
ISSN:1359-7345
1364-548X
DOI:10.1039/c7cc08202a