Voltage-driven photoluminescence modulation of liquid-crystalline hybridized ZnO nanoparticles

Chrystelle Neaime; Marianne Prévôt; Maria Amela-Cortes; Viorel Cîrcu; Fabien Grasset; Hervé Folliot; Yann Molard

doi:10.1002/chem.201403154

Voltage-driven photoluminescence modulation of liquid-crystalline hybridized ZnO nanoparticles

Chemistry. 2014 Oct 13;20(42):13770-6. doi: 10.1002/chem.201403154. Epub 2014 Sep 3.

Authors

Chrystelle Neaime¹, Marianne Prévôt, Maria Amela-Cortes, Viorel Cîrcu, Fabien Grasset, Hervé Folliot, Yann Molard

Affiliation

¹ UMR " Institut des Sciences Chimiques de Rennes " UR1-CNRS 6226, Université de Rennes 1, Campus de Beaulieu, CS 74205, F-35042 Rennes Cedex (France).

PMID: 25186659
DOI: 10.1002/chem.201403154

Abstract

Liquid-crystalline hybrid nanomaterials have been obtained by grafting mesogenic units around luminescent ZnO nanocrystals of 5 nm in diameter. Modifying the mesogenic density around the inorganic core allows the modulation of the liquid-crystalline behavior and its miscibility in commercial liquid crystal (LC). The strong blue photoluminescence observed for the hybrids can be modulated by applying a voltage on a LC cell containing commercial LC and 10 wt % of hybrid.

Keywords: liquid crystals; luminescence; nanoparticles; zinc.