Alinaghi Salari

Beck

Blanc

Chen

Coursault

Elisabeth Prince

Eugenia Kumacheva

Foffano

Gopan

Lagerwall

Matt

Mead-Hunter

Oleg D. Lavrentovich

Orlova

Rafayelyan

Sangho Cho

Schütz

Taylor

Tomotika

Uchida

Voloschenko

Wang

Xiang

Youssef Mosaddeghian Golestani

Yunfeng Li

Zhou

Significance
          Linear defects-disclinations in thermotropic liquid crystals are known to serve as templates for self-assembly of nanoparticles and molecules into continuous thread-like structures. Here, we show that disclinations in lyotropic cholesteric liquid crystals can act as templates for nanoparticle dispersions, producing both continuous and discontinuous morphologies, with discrete beads of the dispersion periodically organized along the disclination axis. The beading effect is rooted in the anisotropic properties of the cholesteric phase. The observed mode of assembly expands the design spectrum of architectures of soft materials. The lyotropic nature of the liquid crystal formed by an aqueous suspension of cellulose nanocrystals broadens the range of materials used for the self-assembly of periodical structures.</jats:p

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Proceedings of the National Academy of Sciences

Periodic assembly of nanoparticle arrays in disclinations of cholesteric liquid crystals

Periodic assembly of nanoparticle arrays in disclinations of cholesteric liquid crystals

Abstract

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