Emergence of tilt in square honeycomb liquid crystals.
basic_science · Level V
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- Record sourced from PubMed, PMID 28671196.
- Also identified by DOI 10.1039/c7sm00776k.
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Abstract
First liquid crystalline phases with tilted organization of rod-like aromatics in a square honeycomb structure were discovered. The developing tilt is temperature, chain length and chain volume dependent, and has a dramatic effect on the optical properties, occasionally leading to an inversion of birefringence. The observed effects of chain branching on tilt contributes to a general understanding of lateral chain engineering in tailoring the self-assembly of π-conjugated molecular rods.