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. 2022 May 18;8(20):eabn5722. doi: 10.1126/sciadv.abn5722

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Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1. — (A) Multifunctional artificial muscle consisted of tubular LCE actuator coated with PDA and LMPA rod. (B) Fabrication steps of the multifunctional artificial muscle: Polydomain LCE was made in tubular and rod-shaped glass molds; monodomain LCE was obtained by stretching the polydomain LCE and photopolymerizing excess acrylate groups under the UV light; the PDA-coated LCE-based tubular actuator was formed by immersing the tubular LCE into dopamine/tris base buffer solution; multifunctional artificial muscle was obtained by embedding the LMPA rod into the PDA-coated LCE-based tubular actuator. Scale bars, 15 mm. (C) Working principle of the multifunctional artificial muscle under laser irradiation. (D) Angle variation of the multifunctional artificial muscle and PDA-coated LCE-based tubular actuator under laser irradiation of 1.3 W. Scale bars, 10 mm.