Deaprtment of Photonics, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
Adv Mater. 2013 Sep 25;25(36):5050-4. doi: 10.1002/adma.201300798. Epub 2013 Aug 1.
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.
一种新型光驱动手性分子开关掺杂在稳定的蓝相（BP）液晶中，允许通过可见光区域对具有选择性反射波长的三维立方纳米结构进行广泛的光学调节。此外，首次在单个薄膜中演示了自组织的三维立方纳米结构前所未有的可逆光控红、绿、蓝反射。此外，在该体系中观察到了不寻常的等温光刺激较少有序 BP II 向更有序 BP I 相转变。
