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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 10/2019

03.04.2019

Luminescence and energy transfer mechanism of KZnPO4: Dy3+, Eu3+

verfasst von: Ailing Zou, Shixue Sun, Jingjie Yu, Nianyu Zou, Zeqing Hu, Yanjie Zhang

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 10/2019

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Abstract

Dy3+ -doped and Dy3+/Eu3+ co-doped KZnPO4 phosphors have been successfully synthesized by solid-state method. X-ray diffraction (XRD), photoluminescence spectra and fluorescence lifetime are employed to characterize these samples. It can be indicated from XRD results that KZnPO4 phosphors exhibit pure phase with high crystallinity. Under excitation of 391 nm, Dy3+-doped KZnPO4 phosphors showed two typical emission bands at 485 nm (blue) and 577 nm (yellow). In the case of Dy3+ and Eu3+ co-doped KZnPO4 phosphors, it can be found that color coordinates are sensitive to the Eu3+ concentration due to the red emission from Eu3+ ions. The emission color changes from blue to warm white by increasing the Eu3+ contents. The color coordinates and color temperature were also adjusted by changing the contents of Eu3+ ions. Furthermore, the mechanism of energy transfer from Dy3+ to Eu3+ ions is demonstrated to be quadrupole–quadrupole interaction for the co-doped samples.
Vorheriger Artikel Calcination effect on the magneto-optical properties of vanadium substituted NiFe2O4 nanoferrites
Nächster Artikel Enhancing thermoelectric properties of p-type SiGe by SiMo addition

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Metadaten
Titel
Luminescence and energy transfer mechanism of KZnPO4: Dy3+, Eu3+
verfasst von
Ailing Zou
Shixue Sun
Jingjie Yu
Nianyu Zou
Zeqing Hu
Yanjie Zhang
Publikationsdatum
03.04.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 10/2019
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-019-01244-w

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