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新型近红外光纳米转导器驱动的自组装螺旋超结构的发光可控手性反转。

Luminescence-driven reversible handedness inversion of self-organized helical superstructures enabled by a novel near-infrared light nanotransducer.

机构信息

Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, OH, 44242, USA.

出版信息

Adv Mater. 2015 Mar 25;27(12):2065-9. doi: 10.1002/adma.201405690. Epub 2015 Feb 10.

DOI:10.1002/adma.201405690
PMID:25675908
Abstract

Nanotransducer-impregnated self-organized helical superstructures are found to exhibit unprecedented reversible handedness inversion upon irradiation by the dual-wavelength near-infrared light. Upon near-infrared laser irradiation at 808 nm, the helical twist sense changes from right-handed to left-handed through an achiral liquid-crystal phase, whereas its reverse process occurs upon the near-infrared laser irradiation at 980 nm.

摘要

纳米转导剂浸渍的自组织螺旋超结构在双波长近红外光照射下表现出前所未有的手性反转。在 808nm 的近红外激光照射下，螺旋扭转方向从右手性变为左手性，经过非手性液晶相；而在 980nm 的近红外激光照射下则发生相反的过程。

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