Left- and right-circularly polarized light-sensing based on colored and mechano-responsive chiral nematic liquid crystals.
basic_science · Level V
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- Record sourced from PubMed, PMID 29210435.
- Also identified by DOI 10.1039/c7sm01975k.
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Abstract
A liquid crystal host-guest system composed of achiral organic molecules (host) and colored chiral metal complexes (guest) was fabricated to sense both right- and left-handed circularly polarized light (r- and l-CPL), depending on the guest (dopant) concentration. The CPL-sensing can be reversibly turned on and off upon mechanical stress and heating.