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A Strategy to Achieve Efficient Dual‐Mode Luminescence of Eu 3+ in Lanthanides Doped Multifunctional NaGdF 4 Nanocrystals
Author(s) -
Liu Yongsheng,
Tu Datao,
Zhu Haomiao,
Li Renfu,
Luo Wenqin,
Chen Xueyuan
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201000128
Subject(s) - materials science , lanthanide , luminescence , nanocrystal , dual mode , doping , nanotechnology , optoelectronics , ion , organic chemistry , chemistry , aerospace engineering , engineering
A strategy is proposed to fabricate dual‐mode luminescent NaGdF 4 nanocrystals that are composed of NaGdF 4 :Yb 3+ ,Tm 3+ core and NaGdF 4 :Eu 3+ shell. Intense downconversion via the sensitization of Gd 3+ and upconversion luminescence of Eu 3+ that is one order of magnitude higher than the triply‐doped core only counterparts have been achieved by employing the distinct core/shell nanostructures and double sensitizations of Yb 3+ and Tm 3+ .