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首页> 外文期刊>ACS applied materials & interfaces >Photoresponsive Graphene Composite Bilayer Actuator for Soft Robots
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Photoresponsive Graphene Composite Bilayer Actuator for Soft Robots

机译：用于软机器人的光响应石墨烯复合双层执行器

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摘要

Highly deformable and photoresponsive smart actuators are attracting increasing attention. Here, a high concentration of graphene is dispersed in polydimethylsiloxane (PDMS) by combining the advantages of various dispersion methods. The composite and pure PDMS layers are used to fabricate bilayer actuators with a high capacity for rapid deformation. The fabricated bilayer actuators exhibit novel and interesting properties. A bilayer actuator containing a 30 wt % graphene composite can be deflected by 7.9 mm in the horizontal direction under infrared laser irradiation. The graphene concentration in the composite influences actuator adjustment to deformation and its response speed, and the composite also exhibits superhydrophobicity. On the basis of its superhydrophobicity and large deformation capacity, the actuator made with 30 wt % graphene composite is used to construct a beluga whale soft robot. The robot can swim quickly in water at an average speed of 6 mm/s, and it can cover a distance of 30 mm in 5 s when irradiated just once with an infrared laser. Actuators fabricated with this method can be used in artificial muscle, bionic grippers, and various soft robots that require actuators with large deformation capacities.
机译：高度可变形和光响应的智能执行器吸引了不断的关注。这里，通过组合各种分散方法的优点，将高浓度的石墨烯分散在聚二甲基硅氧烷（PDMS）中。复合材料和纯PDMS层用于制造具有高容量以快速变形的双层致动器。制造的双层致动器表现出新颖和有趣的性质。含有30wt％石墨烯复合物的双层致动器可以在红外激光照射下在水平方向上偏转7.9mm。复合材料中的石墨烯浓度影响​​致动器调节以变形及其响应速度，并且复合材料也表现出超细纤维性。在其超疏水性和大变形容量的基础上，用30wt％石墨烯复合材料制成的致动器用于构建Beluga Whale软机器人。机器人可以以6mm / s的平均速度在水中快速游泳，并且当用红外激光器照射一次时，它可以在5秒内覆盖30毫米的距离。用这种方法制造的致动器可用于人工肌肉，仿生夹具和各种软机器人，这些软机器需要具有大变形能力的致动器。

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