http://hdl.handle.net/20.500.12128/12798
Tytuł: | Long-lived emission from Eu3+:PbF2 nanocrystals distributed into sol-gel silica glass |
Autor: | Szpikowska-Sroka, Barbara Żur, Lidia Czoik, Rozalia Goryczka, Tomasz Swinarew, Andrzej S. Żądło, Maria Pisarski, Wojciech A. |
Słowa kluczowe: | Nanocrystals; Europium ions; Sol–gel method; Glass ceramics; Luminescence properties |
Data wydania: | 2013 |
Źródło: | Journal of Sol-Gel Science and Technology, Vol. 68, iss. 2 (2013), s 278-283 |
Abstrakt: | This paper reports an optical investigation of Eu3+:PbF2 nanocrystals distributed into silica glasses fabricated by sol–gel methods. The sample microstructure was investigated using scanning transmission electron microscopy. The β-cubic PbF2 crystalline phase was identified using X-ray diffraction analysis. The observed emission bands correspond to 5D0 → 7FJ (J = 0–4) transitions of Eu3+. The spectroscopic parameters for Eu3+ ions were determined based on excitation and emission measurements as well as luminescence decay analysis. Emission originating from 5D0 state of Eu3+ ions in sample containing PbF2 nanocrystals is long-lived in comparison to precursor sol–gel silica glasses. |
URI: | http://hdl.handle.net/20.500.12128/12798 |
DOI: | 10.1007/s10971-013-3164-9 |
ISSN: | 0928-0707 1573-4846 |
Pojawia się w kolekcji: | Artykuły (WNŚiT) |
Plik | Opis | Rozmiar | Format | |
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Szpikowska_Sroka_Long_lived_emission.pdf | 410,44 kB | Adobe PDF | Przejrzyj / Otwórz |
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