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. 2016 Jan 7;8(1):204-8.
doi: 10.1039/c5nr07229h.

Energy transfer in diiodoBodipy-grafted upconversion nanohybrids

Laura Francés-Soriano  1 , Marta Liras  2 , Agnieszka Kowalczyk  3 , Artur Bednarkiewicz  4 , Maria González-Béjar  1 , Julia Pérez-Prieto  1
Affiliations

Energy transfer in diiodoBodipy-grafted upconversion nanohybrids

Laura Francés-Soriano et al. Nanoscale. .

Abstract

Steady-state and time-resolved emission studies on nanohybrids consisting of NaYF4:Yb,Er and a diiodo-substituted Bodipy (UCNP-IBDP) show that the Yb(3+) metastable state, formed after absorption of a near-infrared (NIR) photon, can decay via two competitive energy transfer processes: sensitization of IBDP after absorption of a second NIR photon and population of Er(3+) excited states.

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