Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties

Karin El Rifaii; Patrick Davidson; Laurent Michot; Cyrille Hamon

doi:10.1039/D1CC03826E

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Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties†

Karin El Rifaii,

*^a Patrick Davidson,

^a Laurent Michot

^b and Cyrille Hamon

*^a

Author affiliations

* Corresponding authors

^a Laboratoire de Physique des Solides, Université Paris-Saclay, CNRS, 91405 Orsay, France
E-mail: karin.el-rifaii@universite-paris-saclay.fr, cyrille.hamon@universite-paris-saclay.fr

^b Laboratory of Physical Chemistry of Electrolytes and Interfacial Nanosystems (PHENIX), Sorbonne Université, CNRS, 75005 Paris, France

Abstract

Imparting liquid-crystal (LC) materials with the plasmonic properties of metal nanoparticles is actively pursued for applications. We achieved this goal by synthetizing gold nanoparticles onto clay nanosheets, leading to nematic nanocomposite suspensions. Optical observations and structural analysis show the growth of the gold nanoparticles without altering the LC properties of the nanosheets. These colloids display plasmonic structural colours and they can be aligned by an electric field, which is relevant for fundamental and materials chemistry of colloidal LC.

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Article information

DOI: https://doi.org/10.1039/D1CC03826E
Article type: Communication
Submitted: 15 Jul 2021
Accepted: 13 Sep 2021
First published: 13 Sep 2021

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Chem. Commun., 2021,57, 10359-10362

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Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties

K. El Rifaii, P. Davidson, L. Michot and C. Hamon, Chem. Commun., 2021, 57, 10359 DOI: 10.1039/D1CC03826E

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Chemical Communications

Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties†

Abstract

Supplementary files

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Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties

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