Laser Rewritable Dichroics through Reconfigurable Organic Charge-Transfer Liquid Crystals.
basic_science · Level V
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- Record sourced from PubMed, PMID 29602188.
- Also identified by DOI 10.1002/adma.201706787.
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Abstract
Charge-transfer materials based on the self-assembly of aromatic donor-acceptor complexes enable a modular organic-synthetic approach to develop and fine-tune electronic and optical properties, and thus these material systems stand to impact a wide range of technologies. Through laser-induction of temperature gradients, in this study, user-defined patterning of strongly dichroic and piezoelectric organic thin films composed of donor-acceptor columnar liquid crystals is shown. Fine, reversible control over isotropic versus anisotropic regions in thin films is demonstrated, enabling noncontact writing/rewriting of micropolarizers, bar codes, and charge-transfer based devices.