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Room temperature synthesis of beta-NaGdF4: RE3+ (RE= Eu, Er) nanocrystallites and their luminescence

TitleRoom temperature synthesis of beta-NaGdF4: RE3+ (RE= Eu, Er) nanocrystallites and their luminescence
Publication TypeJournal Article
Year of Publication2017
AuthorsTessitore, G, Mudring, AV, Kramer, KW
JournalJournal of Luminescence
Volume189
Pagination91-98
Date Published09
Type of ArticleArticle
ISBN Number0022-2313
Accession NumberWOS:000404197800010
Keywordsbeta-NaGdF4, downconversion, energy, Erbium, Europium, fluorescence, nanoparticles, nayf4 nanocrystals, optics, phase, phosphors, Room temperature synthesis, selective synthesis, sodium-fluoride, up-conversion
Abstract

F-7(J) luminescence after Eu3+ excitation at 394 nm or Gd3+ excitation at 273 nm and 308 nm. The ratio of D-5(1) vs. D-5(0) luminescence is influenced by the excitation wavelength and the Eu3+ concentration. The Er3+-doped samples show green and red upconversion luminescence, respectively, from the H-2(11/2)+S-4(3/2)-I-4(15/2) and F-4(9/2)-I-4(15/2) transitions after 970 nm excitation. (C) 2017 Elsevier B.V. All rights reserved.

DOI10.1016/j.jlumin.2017.03.021
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