Coordination mechanism of cyanine dyes on the surface of core@active shell β-NaGdF<sub>4</sub>:Yb<sup>3+</sup>,Er<sup>3+</sup> nanocrystals and its role in enhancing upconversion luminescence
Hossein Beygi Nasrabadi, Eduard Madirov, Radian Popescu, Lenka Štacková, Peter Štacko, Petr Klán, Bryce S. Richards, Damien Hudry, Andrey Turshatov
Abstract
The sensitization of lanthanide-doped upconversion nanocrystals (UCNCs) using organic dyes with a broad and intense optical absorption is an interesting approach for efficient excitation-energy harvesting and enhancing the upconversion luminescence.
Topics & Concepts
Photon upconversionCyanineMaterials scienceLuminescenceLanthanideNanocrystalExcitationAbsorption (acoustics)DopingPhotochemistryGadoliniumYtterbiumIonNanotechnologyOptoelectronicsFluorescenceOpticsChemistryOrganic chemistryPhysicsComposite materialMetallurgyQuantum mechanicsLuminescence Properties of Advanced MaterialsInorganic Fluorides and Related CompoundsLuminescence and Fluorescent Materials