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Inne
Influence of Nd3+ concentration on up-conversion fluorescence colour in YVO4 co-doped with Ho3+, Yb3+ and Nd3+ ions.
Autorzy
Rok wydania
2012
Czasopismo
Numer woluminu
88
Strony
86-88
DOI
10.1016/j.matlet.2012.08.026
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Influence of Nd3+ concentration on up-conversion fluorescence colour in YVO4 triple doped with Ho3+, Yb3+ and Nd3+ ions excited by 980 nm laser diode was investigated. A serials of NdxHo0.02Yb0.05Y0.93−xVO4 (where x=0, 0.25, 0.5, 0.75 and 1 at%) crystalline materials were synthesised by a solid state reaction. Excitation in the 2F5/2 bands of Yb3+ produced a strong red and a weaker green emissions at 300 K for Ho3+,Yb3+:YVO4 whereas for Ho3+,Yb3+,Nd3+:YVO4 a strong green emission was observed. Concentration dependence studies indicated that Nd3+ concentrations had significant influences on up-conversion mechanisms and emission colour.
Słowa kluczowe
Up-conversion fluorescence, Nd3+/Ho3+/Yb3+ co-doped YVO4, Vanadates, Emission colour
Adres publiczny
https://doi.org/10.1016/j.matlet.2012.08.026
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