Radical-Functionalised Gel: A Building-Block Strategy for Magnetochiral Assembly

Authors

  • Dr. Matteo Mannini,

    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
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  • Dr. Stefano Cicchi,

    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
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  • Dr. Debora Berti,

    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. CSGI Consortium, UdR Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino (Italy)
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  • Prof. Dr. Andrea Caneschi,

    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
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  • Prof. Alberto Brandi,

    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
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  • Dr. Luisa Lascialfari,

    Corresponding author
    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
    • Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
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  • Dr. Lorenzo Sorace

    Corresponding author
    1. Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    2. INSTM Consortium, UdR Firenze, Via G. Giusti 9, 50121 Firenze (Italy)
    • Ugo Schiff Chemistry Department, Florence University, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (Italy), Fax: (+39) 0554573531
    Search for more papers by this author

Abstract

A chiral organogelating scaffold is functionalised with a stable organic radical pendant. The morphology and spectroscopic properties of the gels are investigated as a function of the organogelator concentration and temperature. The combination of AFM and ESR spectroscopy provides firm evidence that the architecture responsible for the formation of the macroscopic gel (i.e., the fibrillar structure) is maintained below the gelling concentration. This opens relevant perspectives in terms of the realisation of complex supramolecular chiral structures incorporating paramagnetic functions, and demonstrates that the ESR technique is suitable as a fast and direct check of the sample state (gel, solution, or small aggregates).

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