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Photocontrol over Cooperative Porphyrin Self-Assembly with Phenylazopyridine Ligands

Authors

  • Dr. Takashi Hirose,

    1. Laboratory of Macromolecular and Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Dr. Floris Helmich,

    1. Laboratory of Macromolecular and Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Prof. Dr. E. W. Meijer

    Corresponding author
    1. Laboratory of Macromolecular and Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
    • Laboratory of Macromolecular and Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)

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  • This work was supported by the Council of Chemical Sciences of the Netherlands Organization for Scientific Research (CW-NWO). T.H. acknowledges the Japan Society for the Promotion of Science (JSPS) for a young scientist fellowship (10J06478).

Abstract

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The cooperative self-assembly of chiral zinc porphyrins is regulated by a photoresponsive phenylazopyridine ligand (1; see picture). Porphyrin stacks depolymerize into dimers upon axial ligation and the strength of the coordination is regulated by its photoinduced isomerization, which shows more than 95 % conversion ratio for both photostationary states.

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