MANAI, Ghada; HOUIMEL, Hend; RIGOULET, Mathilde; GILLET, Angélique; FAZZINI, Pier-Francesco; IBARRA, Alfonso; BALOR, Stéphanie; ROBLIN, Pierre; ESVAN, Jérôme; COPPEL, Yannick; CHAUDRET, Bruno; BONDUELLE, Colin; TRICARD, Simon

doi:10.1038/s41467-020-15810-y

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MANAI, Ghada
Laboratoire de physique et chimie des nano-objets [LPCNO]
Laboratoire de chimie de coordination [LCC]

HOUIMEL, Hend
Laboratoire de physique et chimie des nano-objets [LPCNO]

RIGOULET, Mathilde
Laboratoire de physique et chimie des nano-objets [LPCNO]

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Nature Communications. 2020, vol. 11, p. 2051

Nature Publishing Group

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A key challenge for designing hybrid materials is the development of chemical tools to control the organization of inorganic nanoobjects at low scales, from mesoscopic (~µm) to nanometric (~nm). So far, the most efficient strategy to align assemblies of nanoparticles consists in a bottom-up approach by decorating block copolymer lamellae with nanoobjects. This well accomplished procedure is nonetheless limited by the thermodynamic constraints that govern copolymer assembly, the entropy of mixing as described by the Flory–Huggins solution theory supplemented by the critical influence of the volume fraction of the block components. Here we show that a completely different approach can lead to tunable 2D lamellar organization of nanoparticles with homopolymers only, on condition that few elementary rules are respected: 1) the polymer spontaneously allows a structural preorganization, 2) the polymer owns functional groups that interact with the nanoparticle surface, 3) the nanoparticles show a surface accessible for coordination.< Réduire

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Molecular self-assembly

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Bidimensional lamellar assembly by coordination of peptidic homopolymers to platinum nanoparticles

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