We have isolated new luminescent, heteroleptic lanthanide complexes that are potentially beneficial for photodynamic therapy. This presentation will cover the synthesis and photophysical characterization of luminescent EuIII and YbIII- heteroleptic complexes that contain pyrene- and bithiophene-based singlet oxygen-generating ligands. The complexes also have a second carbazole-based ligand that can undergo two-photon excitation. The singlet oxygen generation efficiency as well as the photophysical properties of the various heteroleptic complexes will be discussed.

Luminescent heteroleptic LnIII complexes for two-photon generated singlet oxygen

ACS Fall 2021

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