Synergistic or antagonistic effect of lanthanides on Rose Bengal photophysics in upconversion nanohybrids?

Nanoscale

Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, Universitat de València, C/ Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain.

Published: December 2023

AI Article Synopsis

  • A nanohybrid combines rose bengal, a xanthenic dye, with upconversion nanoparticles (UCNPs) doped with ytterbium and erbium to study dye behavior.
  • Both lanthanide elements impact the excited states of rose bengal, affecting its photophysics.
  • This research serves as a proof-of-concept to understand the interactions between the dye and UCNPs.

Article Abstract

A nanohybrid made of a xanthenic dye, rose bengal, grafted to an ytterbium and erbium codoped upconversion nanoparticle (UCNP) served as a proof-of-concept to evaluate the fundamental mechanisms which govern the dye photophysics upon interaction with the UCNP. Both photoactive lanthanides strongly influence the singlet and triplet excited states of rose bengal.

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Source
http://dx.doi.org/10.1039/d3nr03774fDOI Listing

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