Self-assembly of metallic nanoparticles in a cholesteric liquid crystal

Michel Mitov; Christian Bourgerette; Francois de Guerville

doi:10.1117/12.503558

15 October 2003 Self-assembly of metallic nanoparticles in a cholesteric liquid crystal

Michel Mitov, Christian Bourgerette, Francois de Guerville

Proceedings Volume 5220, Nanofabrication Technologies; (2003) https://doi.org/10.1117/12.503558
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Metallic nanoparticle assemblies can be organized in accordance with the helical structure of the cholesteric liquid crystalline phase. The liquid crystals used having a glassy state, the nanostructures could be examined by transmission electron microscopy. The platinum nanoparticles form periodic ribbons which mimic the well-known fingerprint cholesteric texture. The nanoparticles do not decorate the texture but create a novel structure with a larger helical pitch. The distance between the ribbons is directly correlated to the cholesteric periodicity which therefore becomes a simple control parameter to tune the structuring of nanoparticles.

Citation Download Citation

Michel Mitov, Christian Bourgerette, and Francois de Guerville "Self-assembly of metallic nanoparticles in a cholesteric liquid crystal", Proc. SPIE 5220, Nanofabrication Technologies, (15 October 2003); https://doi.org/10.1117/12.503558

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