Saturday, December 01, 2012

On the nature of carrier relaxation and ion-ion interactions in ultrasmall [small beta]-NaYF4:Eu3+ nanocrystals - effect of the surface

Jan Misiewicz






Nanoscale , 2013, Advance Article

DOI: 10.1039/C2NR32212A, Paper

Artur Podhorodecki, Mateusz Banski, Agnieszka Noculak, Bartlomiej Sojka, Grzegorz Pawlik, Jan Misiewicz

Two different Eu sites have been identified as the surface and core, accompanied with different excitation and emission mechanisms. The critical distance of 0.65 nm has been shown, above which strong ion-ion interactions dominate the emission properties of Eu ions.

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