title: Red, green and blue reflections enabled in an optically tunable self-organized 3D cubic nanostructured thin film.
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.
authors.affiliation: Deaprtment of Photonics, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
authors.forename: Tsung-Hsien
authors.initials: TH
authors.lastname: Lin
authors.forename: Yannian
authors.initials: Y
authors.lastname: Li
authors.forename: Chun-Ta
authors.initials: CT
authors.lastname: Wang
authors.forename: Hung-Chang
authors.initials: HC
authors.lastname: Jau
authors.forename: Chun-Wei
authors.initials: CW
authors.lastname: Chen
authors.forename: Cheng-Chung
authors.initials: CC
authors.lastname: Li
authors.forename: Hari Krishna
authors.initials: HK
authors.lastname: Bisoyi
authors.forename: Timothy J
authors.initials: TJ
authors.lastname: Bunning
authors.forename: Quan
authors.initials: Q
authors.lastname: Li
keywords: blue phase; light-driven chiral molecular switch; optically tunable 3D photonic crystals; reflection; self-organized 3D cubic superstructure