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Article dans une revue

Colored Janus Nanocylinders Driven by Supramolecular Coassembly of Donor and Acceptor Building Blocks

Abstract : Janus nanocylinders exhibit nanometric dimensions, a high aspect ratio, and two faces with different chemistries (Janus character), making them potentially relevant for applications in optics, magnetism, catalysis, surface nanopatterning, or interface stabilization, but they are also very difficult to prepare by conventional strategies. In the present work, Janus nanocylinders were prepared by supramolecular coassembly in water of two different polymers functionalized with complementary assembling units. The originality of our approach consists in combining charge transfer complexation between electron-rich and electron-poor units with hydrogen bonding to (1) drive the supramolecular formation of one-dimensional structures (cylinders), (2) force the two polymer arms on opposite sides of the cylinders independently of their compatibility, resulting in Janus nanoparticles, and (3) detect coassembly through a color change of the solution upon mixing of the functional polymers.
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https://hal.univ-lille.fr/hal-03388947
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Soumis le : mercredi 20 octobre 2021 - 17:18:51
Dernière modification le : vendredi 3 décembre 2021 - 11:43:18

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Thomas Choisnet, David Canevet, Marc Sallé, Cédric Lorthioir, Laurent Bouteiller, et al.. Colored Janus Nanocylinders Driven by Supramolecular Coassembly of Donor and Acceptor Building Blocks. ACS Nano, American Chemical Society, 2021, ACS Nano, 15 (2), pp.2569-2577. ⟨10.1021/acsnano.0c07039⟩. ⟨hal-03388947⟩

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