Journal Article

PUBDB-2025-02457

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Ultraviolet Upconversion Emission of $CaAl_2SiO_6$ PolycrystalsDoped with $Pr^{3+}$ Ions

Lemański, K. (Corresponding author) ; Rebrova, N. ; Zdeb-Stańczykowska, P. ; Dereń, P. J.

2025
MDPI Basel

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Please use a persistent id in citations: doi:10.3390/molecules30142944  doi:10.3204/PUBDB-2025-02457

Abstract: The spectroscopic properties of Pr3+ ions in the aluminosilicate matrix were investigatedfor the first time. Synthesis of CaAl2SiO6 (CASO) polycrystals doped with Pr3+ ions wascarried out using the sol–gel method. The crystalline structures have been confirmed withXRD measurement. The absorption, excitation, emission spectra, and time decay profilesof the praseodymium (III) ions were measured and analyzed. It was found that uponexcitation with visible light, this material exhibits emission mainly in the UVC region, viaan upconversion emission process. The Stokes emission in the visible range is observedmainly from the 3P0 and 1D2 energy levels. The 1D2→3H4 emission is very stable even atvery high temperatures. The studied aluminosilicate phosphors possess characteristics thatconfirm their potential in upconversion emission applications.

Note: ISSN 1420-3049 not unique: **2 hits**.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
2. FS-Proposal: I-20240194 EC (I-20240194-EC) (I-20240194-EC)

Experiment(s):

1. PETRA Beamline P66 (PETRA III)

Appears in the scientific report 2025

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