ArticleNature communications2020
Microfluidic control over topological states in channel-confined nematic flows.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Luminescent Nanocomposites of Liquid Crystals and Carbon Dots in Microfluidic Channels: Effects of Walls, Dynamics, and Bioactive Additive.Nanomaterials (Basel, Switzerland) · 2026Article
- Crystallization-driven template autocatalysis induces mirror symmetry breaking and amplification.Nature communications · 2026Article
- Intermolecular Organization of a Lyotropic Liquid Crystal and Carbon Dot Composite in Microfluidic Channels: Surface and Dynamic Effects.Nanomaterials (Basel, Switzerland) · 2025Article
- Molecular Orientation Behavior of Lyotropic Liquid Crystal-Carbon Dot Hybrids in Microfluidic Confinement.International journal of molecular sciences · 2024Article
- Lock-key microfluidics: simulating nematic colloid advection along wavy-walled channels.Soft matter · 2024Article
- Electrically-driven modulation of flow patterns in liquid crystal microfludics.Scientific reports · 2024Article
- Flow-induced periodic chiral structures in an achiral nematic liquid crystal.Nature communications · 2024Article
- Tuning Molecular Orientation Responses of Microfluidic Liquid Crystal Dispersions to Colloid and Polymer Flows.International journal of molecular sciences · 2023Article
- Dynamic Flow Control over Optical Properties of Liquid Crystal-Quantum Dot Hybrids in Microfluidic Devices.Micromachines · 2023Article
- Structures and topological defects in pressure-driven lyotropic chromonic liquid crystals.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Machine learning active-nematic hydrodynamics.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Periodic Arrays of Chiral Domains Generated from the Self-Assembly of Micropatterned Achiral Lyotropic Chromonic Liquid Crystal.ACS central science · 2020Article
- Design of nematic liquid crystals to control microscale dynamics.Liquid crystals reviews · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Compared to isotropic liquids, orientational order of nematic liquid crystals makes their rheological properties more involved, and thus requires fine control of the flow parameters to govern the orientational patterns. In microfluidic channels with perpendicular surface alignment, nematics discontinuously transition from perpendicular structure at low flow rates to flow-aligned structure at high flow rates. Here we show how precise tuning of the driving pressure can be used to stabilize and manipulate a previously unresearched topologically protected chiral intermediate state which arises before the homeotropic to flow-aligned transition. We characterize the mechanisms underlying the transition and construct a phenomenological model to describe the critical behaviour and the phase diagram of the observed chiral flow state, and evaluate the effect of a forced symmetry breaking by introduction of a chiral dopant. Finally, we induce transitions on demand through channel geometry, application of laser tweezers, and careful control of the flow rate.
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Registered trials
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