Hierarchical Self-Assembly of Polyoxometalate-Based Organo Palladium(II) Metallomacrocycles via Electrostatic Interactions - Sorbonne Université Accéder directement au contenu
Article Dans Une Revue Inorganic Chemistry Année : 2020

Hierarchical Self-Assembly of Polyoxometalate-Based Organo Palladium(II) Metallomacrocycles via Electrostatic Interactions

Résumé

The design and synthesis of a supramolecular square composed of polyoxometalate-based hybrid donors and ethylenediamine palladium(II) nodes are reported. The structure of the metallomacrocycle scaffold was inferred by diffusion NMR, small-angle X-ray scattering (SAXS), and molecular modeling. The metallomacrocycle scaffold that contains negatively and positively charged subunits can further self-assemble owing to a competition between the solvation energy of the discrete species and intermolecular electrostatic interactions. When the dissociating character of the solvent was lowered or when in the presence of a protic solvent, different types of multiscale organizations (vesicles and pseudo-1D structures) were selectively formed and were characterized by SAXS and transmission electron microscopy.

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Chimie
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Dates et versions

hal-02887768 , version 1 (09-11-2020)

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Raphaël Salles, Benjamin Abécassis, Etienne Derat, Dalil Brouri, Aurélie Bernard, et al.. Hierarchical Self-Assembly of Polyoxometalate-Based Organo Palladium(II) Metallomacrocycles via Electrostatic Interactions. Inorganic Chemistry, 2020, 59 (4), pp.2458--2463. ⟨10.1021/acs.inorgchem.9b03333⟩. ⟨hal-02887768⟩
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