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Article Dans Une Revue Chemical Communications Année : 2021

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

Résumé

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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Dates et versions

hal-03368825 , version 1 (07-10-2021)

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Karin El Rifaii, Patrick Davidson, Laurent Michot, Cyrille Hamon. Gold-clay nanocomposite colloids with liquid-crystalline and plasmonic properties. Chemical Communications, 2021, ⟨10.1039/D1CC03826E⟩. ⟨hal-03368825⟩
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