4.8 Article

Energy transfer in diiodoBodipy-grafted upconversion nanohybrids

Journal

NANOSCALE
Volume 8, Issue 1, Pages 204-208

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr07229h

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Funding

  1. Spanish Ministry of Economy and Competitiveness [CTQ2014-60174]
  2. Narodowe Centrum Nauki, Poland [DEC-2012/05/E/ST5/03901]

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Steady-state and time-resolved emission studies on nanohybrids consisting of NaYF4:Yb, Er and a diiodo-substituted Bodipy (UCNP-IBDP) show that the Yb3+ 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 Er3+ excited states.

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