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  • Robust yet Self-Healing Multimodal Actuators Enabled by Noncovalent Assembled Nanostructure
  • 来源:张新星研究员/博导个人网站 2025-09-30
  • In nature, animals can realize multimodal movements such

    as walking, climbing, and jumping through transformation in locomotor

    gaits or form for survival, which is highly desired for untethered flexible

    actuators yet remains challenging. Here, we propose a robust self-healing

    multimodal actuator enabled by noncovalent assembled nanostructures

    with elaborate regulation of multistage responsive behaviors. Owing to the

    dynamic interfacial design between multiple components, the stimulus can

    be accurately delivered through a “light-heat-force release” pathway,

    endowing the actuator with diverse motion capabilities and desired

    jumping ability (27 cm, 34 times body length). Moreover, the reversible

    recombination and sliding properties of the noncovalent assembled

    dynamic network ensure high toughness (81.9 kJ/mol) and self-healing

    efficiency (88.2%), which greatly benefit the long-term service under

    complex and demanding scenarios. This study provides a strategy for the design of multimodal flexible actuators to improve their

    adaptability and stability in complex environments.


  • [来源:中国聚合物网]
  • 了解更多请进入: 张新星研究员/博导个人网站
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