Homochiral emissive Λ8- andΔ8-[Ir8Pd4]16+ supramolecular cages

Diego Rota Martir, Daniel Escudero, Denis Jacquemin, David Cordes, Alexandra Slawin, Herbert Fruchtl, Stuart Warriner, Eli Zysman-Colman

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Synthetic self-assembly is a powerful technique for the bottom-up construction of discrete and well-defined polyhedral nanostructures resembling the spherical shape of large biological systems. In recent years, numerous Archimedean-shaped coordination cages have been reported based on the assembly of bent monodentate organic ligands containing two or more distal pyridyl rings and square planar PdII ions. The formation of photoactive PdII metallamacrocycles and cages, however, remain rare. Here we report the first examples of emissive and homochiral supramolecular cages of the form of [Ir8Pd4]16+. These cages provide a suitably sized cavity to host large guest molecules. Importantly, encapsulation and energy transfer have been observed between the blue-emitting NBu4[Ir(dFppy)2(CN)2] guest and the red-emitting Δ8-[Ir8Pd4]16+ cage.
Original languageEnglish
Pages (from-to)14358–14366
JournalChemistry - A European Journal
Volume23
Issue number57
Early online date12 Sept 2017
DOIs
Publication statusPublished - 12 Oct 2017

Keywords

  • Cage compounds
  • Iridium
  • Palladium
  • Photochemistry
  • Self-assembly

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