Tunable near infrared to ultraviolet upconversion luminescence enhancement in (α-NaYF4 :Yb,Tm)/CaF2 core/shell nanoparticles for in situ real-time recorded biocompatible photoactivation.
Tunable near infrared to ultraviolet upconversion luminescence enhancement in (α-NaYF4 :Yb,Tm)/CaF2 core/shell nanoparticles for in situ real-time recorded biocompatible photoactivation.
Jie Shen,Guanying Chen,5 Authors,Gang Han
2013 · DOI: 10.1002/smll.201300234
Small · 158 Citations
TLDR
A family of upconverting nanoparticles with a tunable UV enhancement is developed via a facile approach and leads to a maximum 9-fold enhancement in comparison with known optimal β-phase core/shell UCNPs in water.