Homochiral emissive Λ8- andΔ8-[Ir8Pd4]16+ supramolecular cages
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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.
Rota Martir , D , Escudero , D , Jacquemin , D , Cordes , D , Slawin , A , Fruchtl , H , Warriner , S & Zysman-Colman , E 2017 , ' Homochiral emissive Λ 8 - andΔ 8 -[Ir 8 Pd 4 ] 16+ supramolecular cages ' Chemistry - A European Journal , vol. 23 , no. 57 , pp. 14358–14366 . DOI: 10.1002/chem.201703273
Chemistry - A European Journal
© 2017 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
DescriptionEZ-C acknowledges the University of St Andrews and EPSRC (EP/M02105X/1) for financial support. DE thanks funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 700961. DJ acknowledges the European Research Council (Marches grant n°278845) and the RFI Lumomat for financial support.
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