Straightforward preparation of supramolecular Janus nanorods by hydrogen bonding of end-functionalized polymers

Shuaiyuan Han, Sandrine Pensec, Dijwar Yilmaz, Cédric Lorthioir, Jacques Jestin, Jean-Michel Guigner, Frédérick Niepceron, Jutta Rieger, François Stoffelbach, Erwan Nicol, Olivier Colombani () and Laurent Bouteiller ()
Additional contact information
Shuaiyuan Han: Equipe Chimie des Polymères
Sandrine Pensec: Equipe Chimie des Polymères
Dijwar Yilmaz: Equipe Chimie des Polymères
Cédric Lorthioir: Sorbonne Université, CNRS, Laboratoire de Chimie de la Matière Condensée de Paris, UMR 7574
Jacques Jestin: Laboratoire Léon Brillouin, UMR12 CEA-CNRS, Bât. 563, CEA Saclay
Jean-Michel Guigner: Sorbonne Université, CNRS, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, UMR 7590-IRD-MNHN
Frédérick Niepceron: UMR 6283 CNRS Le Mans Université
Jutta Rieger: Equipe Chimie des Polymères
François Stoffelbach: Equipe Chimie des Polymères
Erwan Nicol: UMR 6283 CNRS Le Mans Université
Olivier Colombani: UMR 6283 CNRS Le Mans Université
Laurent Bouteiller: Equipe Chimie des Polymères

Nature Communications, 2020, vol. 11, issue 1, 1-6

Abstract: Abstract Janus cylinders are one-dimensional colloids that have two faces with different compositions and functionalities, and are useful as building blocks for advanced functional materials. Such anisotropic objects are difficult to prepare with nanometric dimensions. Here we describe a robust and versatile strategy to form micrometer long Janus nanorods with diameters in the 10-nanometer range, by self-assembly in water of end-functionalized polymers. The Janus topology is not a result of the phase segregation of incompatible polymer arms, but is driven by the interactions between unsymmetrical and complementary hydrogen bonded stickers. Therefore, even compatible polymers can be used to form these Janus objects. In fact, any polymers should qualify, as long as they do not prevent co-assembly of the stickers. To illustrate their applicative potential, we show that these Janus nanorods can efficiently stabilize oil-in-water emulsions.

Date: 2020
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DOI: 10.1038/s41467-020-18587-2

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