用于可编程3D整形和两栖机器人的光热驱动BOPP/GO双层驱动器

IF 4.3 2区工程技术 Q2 ENGINEERING, CHEMICAL

Chemical Engineering Science Pub Date : 2025-09-26 DOI:10.1016/j.ces.2025.122693

Xuehao Feng , Zhizheng Gao , Ruiqian Wang , Bentao Zou , Wenguang Yang

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引用次数: 0

摘要

从光响应植物的致光性运动特性中获得灵感，本研究利用聚丙烯（BOPP）和氧化石墨烯（GO）的光热转换特性以及BOPP和氧化石墨烯之间的热膨胀不匹配，提出了由聚丙烯（BOPP）和氧化石墨烯（GO）组成的双层致动器的制备和表征。实验结果表明，当氧化石墨烯质量分数为23.53 %时，光热驱动效果最佳，最大弯曲角为70°，响应时间为1.2 s，循环稳定性良好。通过空间控制BOPP磁带并利用激光直写，我们实现了可编程的2d到3d结构转换，包括盒形和立方结构。基于这些驱动器的多功能机器人系统表现出多种功能：抓取/提升机器人可以承载其重量四倍的负载；仿生软机器人通过躯干弯曲在陆地上移动；两栖机器人集成了马兰戈尼效应，在陆地（BOPP/GO热驱动）和水生（nir诱导的表面张力梯度）运动之间无缝切换。本研究为柔性机器人的光响应系统奠定了理论和实验基础，为复杂环境下的智能机器人提供了新的设计策略。

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Photothermal-driven BOPP/GO bilayer actuators for programmable 3D shaping and amphibious robot

Drawing inspiration from the phototropic motion characteristics of sunlight-responsive plants, this study presents the fabrication and characterization of bilayer actuators composed of polypropylene (BOPP) and graphene oxide (GO), leveraging GO’s photothermal conversion properties and the thermal expansion mismatch between BOPP and GO. Experimental results demonstrate optimal photothermal actuation at a GO mass fraction of 23.53 %, achieving a maximum bending angle of 70° with a 1.2 s response time and robust cycling stability. By spatially controlling BOPP tape and utilizing laser direct writing, we enable programmable 2D-to-3D structural transformations, including box-shaped and cubic configurations. Multifunctional robotic systems based on these actuators exhibit versatile capabilities: a grasping/lifting robot carries loads four times its weight; a biomimetic soft robot moves terrestrially via trunk bending; and an amphibious robot integrates the Marangoni effect to switch seamlessly between land (BOPP/GO thermal drive) and aquatic (NIR-induced surface tension gradients) locomotion. This work establishes a theoretical and experimental foundation for light-responsive systems in flexible robotics, offering novel design strategies for intelligent robots in complex environments.

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来源期刊

Chemical Engineering Science 工程技术-工程：化工

CiteScore

7.50

自引率

8.50%

发文量

1025

审稿时长

50 days

期刊介绍： Chemical engineering enables the transformation of natural resources and energy into useful products for society. It draws on and applies natural sciences, mathematics and economics, and has developed fundamental engineering science that underpins the discipline. Chemical Engineering Science (CES) has been publishing papers on the fundamentals of chemical engineering since 1951. CES is the platform where the most significant advances in the discipline have ever since been published. Chemical Engineering Science has accompanied and sustained chemical engineering through its development into the vibrant and broad scientific discipline it is today.