Hybrid molecular-colloidal liquid crystals

Science
Haridas MundoorIvan I Smalyukh

Abstract

Order and fluidity often coexist, with examples ranging from biological membranes to liquid crystals, but the symmetry of these soft-matter systems is typically higher than that of the constituent building blocks. We dispersed micrometer-long inorganic colloidal rods in a nematic liquid crystalline fluid of molecular rods. Both types of uniaxial building blocks, while freely diffusing, interact to form an orthorhombic nematic fluid, in which like-sized rods are roughly parallel to each other and the molecular ordering direction is orthogonal to that of colloidal rods. A coarse-grained model explains the experimental temperature-concentration phase diagram with one biaxial and two uniaxial nematic phases, as well as the orientational distributions of rods. Displaying properties of biaxial optical crystals, these hybrid molecular-colloidal fluids can be switched by electric and magnetic fields.

References

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Citations

Feb 1, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Stiven Villada-GilJuan P Hernández-Ortiz
Jul 30, 2020·Reports on Progress in Physics·Ivan I Smalyukh
Jul 28, 2020·Advanced Materials·Hongbao XinBaojun Li
Apr 25, 2019·Nature Communications·Bohdan SenyukIvan I Smalyukh
Feb 13, 2020·Nature Communications·Maruti HegdeTheo J Dingemans
Jun 25, 2020·Physical Review. E·Alejandro Cuetos, Alessandro Patti
May 19, 2018·Science·Philippe Poulin
Dec 11, 2020·PLoS Computational Biology·André ScholichBenjamin M Friedrich
Feb 12, 2021·Nature·Haridas MundoorIvan I Smalyukh
Feb 12, 2021·Science Advances·Jeffrey C EvertsIvan I Smalyukh
Jun 11, 2021·ACS Applied Materials & Interfaces·Ali Rouhollah JaliliRose Amal
Aug 21, 2021·Physical Review. E·B SenyukH H Wensink
Aug 21, 2021·Physical Review. E·Muhammed Rasi MSurajit Dhara
Sep 21, 2021·Advanced Science·Zhijian MaiIvan I Smalyukh
Nov 9, 2021·Chemical Reviews·Zhiwei LiYadong Yin
Dec 24, 2021·Chemical Reviews·Hari Krishna Bisoyi, Quan Li
Sep 16, 2018··Nan WangSailing He

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