Spectral and temperature characteristics of Cs2Na(Er, Yb, Y)Cl6 upconverters

Autor:	B. Jeźowska-Trzebiatowska, E. Łukowiak, Zbigniew Mazurak
Rok vydání:	1985
Předmět:	chemistry.chemical_classification Photoluminescence Chemistry Biophysics Analytical chemistry General Chemistry Condensed Matter Physics Biochemistry Emission intensity Atomic and Molecular Physics and Optics Ion Excited state Luminescence Single crystal Inorganic compound Intensity (heat transfer)
Zdroj:	Journal of Luminescence. 33:159-166
ISSN:	0022-2313
Popis:	Spectral luminescence characteristics of the Cs2Na(Er, Yb, Y)Cl6 type upconverter have been measured in the range 300–650 K. A nearly sixfold decrease of the emission intensity of an upconverter was observed in the green area. This emission corresponds to two luminescence transition of Er3+ ions: 2 H 11 2 → 4 I 15 2 and 4 S 3 2 → 4 I 15 2 . A mechanism of the luminescence intensity decrease has been proposed, in which deexcitation of the 4 S 3 2 level to the 4 I 13 2 level is caused by a neighbouring Er3+ ion being excited to the 4 I 9 2 level.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::0c066286fd1c750b727aae7153e0077e https://doi.org/10.1016/0022-2313(85)90014-6 Zobrazit plný text záznamu