A Multifunctional Dye-doped Liquid Crystal Polymer Actuator: Light-Guided Transportation, Turning in Locomotion, and Autonomous Motion

被引：162

作者：

Ge, Feijie ^{[1
]}

Yang, Rong ^{[2
]}

Tong, Xia ^{[1
]}

Camerel, Franck ^{[3
]}

Zhao, Yue ^{[1
]}

机构：

[1] Univ Sherbrooke, Dept Chim, Sherbrooke, PQ J1K 2R1, Canada

[2] Changzhou Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Environm Friendly Polymer Mat, Changzhou 213164, Peoples R China

[3] Univ Rennes, CNRS, ISCR UMR6226, F-35000 Rennes, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 36期

基金：

加拿大自然科学与工程研究理事会;

关键词：

autonomous motion; liquid crystal elastomers; photoactuators; polymer actuators; soft robots; SOFT ACTUATOR; DRIVEN; PHOTODRIVEN; NETWORKS; PHOTOCONTROL; COMPLEXES; SURFACE;

D O I：

10.1002/anie.201807495

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A strip of a liquid crystal elastomer doped with a near-infrared dye with one side crosslinked monodomain and the other crosslinked polydomain along the thickness behaves like a multifunctional photoactuator without the need for a support. A flat strip with two ends fixed on substrate surface forms a moving bump under laser scanning, which can be used as light-fueled conveyor to transport an object. Cutting off and laser scanning the bump with two free ends makes a soft and flexible millimeter-scale crawler that can not only move straight and climb an inclined surface, but also undergo light-guided turning to right or left as a result of combined out-of-plane and in-plane actuation. Based on the self-shadowing mechanism, with one end of the strip fixed on substrate surface, it can execute a variety of autonomous arm-like movements under constant laser illumination, such as bending-unbending and twisting, depending on the laser incident angles with respect to the strip actuator.

引用

页码：11758 / 11763

页数：6

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