Journal
ADVANCED MATERIALS
Volume 22, Issue 30, Pages 3266-+Publisher
WILEY-BLACKWELL
DOI: 10.1002/adma.201000128
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Funding
- Chinese Academy of Sciences (CAS) [KJCX2-YW-358, YZ200712]
- NSFC [10974200]
- MOST [2007CB936703, 2009AA03Z430]
- NSF [2009J06030]
- Science and Technology Foundation of Fujian Province [200710024]
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A strategy is proposed to fabricate dual-mode luminescent NaGdF4 nanocrystals that are composed of NaGdF4:Yb3+,Tm3+ core and NaGdF4:Eu3+ shell. Intense downconversion via the sensitization of Gd3+ and upconversion luminescence of Eu3+ 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 Yb3+ and Tm3+.
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