Tuning from blue to magenta the up-converted emissions of YF3:Tm3+/Yb3+ nanocrystals.

Abstract

Monodisperse YF3:Tm3+/Yb3+ nanocrystals have been synthesized to explore the visible up-converting properties under near infrared (975 nm) excitation. It has been found that the nanoparticles exhibit intense red up-converted emissions, in addition to the characteristic UV and blue Tm3+-bands. It is demonstrated that, by carefully selecting Tm3+ and Yb3… (More)
DOI: 10.1039/c0nr00676a

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