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Supramolecular Competitive Host–Guest Interaction Induced Reversible Macromolecular Metamorphosis

Abstract : In this work, a rational strategy of competitive host-guest complexation between dioxynaphthalene (Naph) and tetrathiafulvalene (TTF) subunits as guests and cyclophane cyclobis(paraquat-p-phenylene) (CBPQT(4+)) module as host is exploited to modify the macromolecular architecture, so-called supramolecular metamorphosis, in aqueous media. The architectures of the polymers can be reversibly transformed from a linear diblock copolymer to a linear AC block copolymer or from a linear block copolymer to a comb copolymer by redox switching. Interestingly, as TTF- and Naph-based complexes feature different characteristic colors, it offers a great opportunity to directly observe nanoscaled macromolecular metamorphosis of materials with the naked eye.
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https://hal.univ-lille.fr/hal-02397222
Contributeur : Lilloa Université de Lille <>
Soumis le : vendredi 6 décembre 2019 - 14:27:06
Dernière modification le : mardi 26 mai 2020 - 03:12:33

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Debaditya Bera, Zhanyao Hou, Mathias Glassner, Joel Lyskawa, Aurélie Malfait, et al.. Supramolecular Competitive Host–Guest Interaction Induced Reversible Macromolecular Metamorphosis. Macromolecular Rapid Communications, 2019, Macromolecular Rapid Communications, 40 (22), pp.1900376. ⟨10.1002/marc.201900376⟩. ⟨hal-02397222⟩

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