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(Angew. Chem. Int. Ed.) Thermo- and Mechanochromic Camouflage and Self-Healing in Biomimetic Soft Actuators Based on Liquid Crystal Elastomers
writer:Liu, Z.; Bisoyi, H. K.; Huang, Y.; Wang, M.; Yang, H.*; Li, Q.*
keywords:Liquid Crystal Elastomer
source:期刊
specific source:Angewandte Chemie International Edition, 2022, 61, e202115755.
Issue time:2022年

In nature, many mysterious creatures capable of

deformation camouflage, color camouflage, and self-healing

have inspired scientists to develop various biomimetic soft

robots. However, the systematic integration of all the above

functionalities into a single soft actuator system still remains a

challenge. Here we chemically introduce a multi-stimuliresponsive

tetraarylsuccinonitrile (TASN) chromophore into

a liquid crystal elastomer (LCE) network through a facile

thiol-ene photoaddition method. The obtained TASN-LCE

soft actuators not only exhibit reversible shape-morphing and

reversible color-changing behavior in response to heat and

mechanical compression, but also show excellent self-healing,

reprogramming and recycling characteristics. We hope that

such a TASN-LCE actuator system endowed with dynamic

distortion, thermo- and mechano-chromic camouflage, and

self-healing functionalities would pave the way for further

development of multifunctional biomimetic soft robotic

devices.