Red, green and blue reflections enabled in an optically tunable self-organized 3D cubic nanostructured thin film.
basic_science · Level V
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- Record sourced from PubMed, PMID 23913627.
- Also identified by DOI 10.1002/adma.201300798.
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Abstract
A new light-driven chiral molecular switch doped in a stable blue phase (BP) liquid crystal allows wide optical tunability of three-dimensional cubic nanostructures with a selective reflection wavelength that is reversibly tuned through the visible region. Moreover, unprecedented reversible light-directed red, green, and blue reflections of the self-organized three-dimensional cubic nanostructure in a single film are demonstrated for the first time. Additionally, unusual isothermal photo-stimulated less ordered BP II to more ordered BP I phase transition was observed in the system.