Smart Actuators and Adhesives for Reconfigurable Matter,Accounts of Chemical Research

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Smart Actuators and Adhesives for Reconfigurable Matter
Accounts of Chemical Research ( IF 16.4 ) Pub Date : 2017-03-06 00:00:00 , DOI: 10.1021/acs.accounts.6b00612
Hyunhyub Ko ₁ , Ali Javey _{2,

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Affiliation

Biological systems found in nature provide excellent stimuli-responsive functions. The camouflage adaptation of cephalopods (octopus, cuttlefish), rapid stiffness change of sea cucumbers, opening of pine cones in response to humidity, and rapid closure of Venus flytraps upon insect touch are some examples of nature’s smart systems. Although current technologies are still premature to mimic these sophisticated structures and functions in smart biological systems, recent work on stimuli-responsive programmable matter has shown great progress. Stimuli-responsive materials based on hydrogels, responsive nanocomposites, hybrid structures, shape memory polymers, and liquid crystal elastomers have demonstrated excellent responsivities to various stimuli such as temperature, light, pH, and electric field. However, the technologies in these stimuli-responsive materials are still not sophisticated enough to demonstrate the ultimate attributes of an ideal programmable matter: fast and reversible reconfiguration of programmable matter into complex and robust shapes. Recently, reconfigurable (or programmable) matter that reversibly changes its structure/shape or physical/chemical properties in response to external stimuli has attracted great interest for applications in sensors, actuators, robotics, and smart systems. In particular, key attributes of programmable matter including fast and reversible reconfiguration into complex and robust 2D and 3D shapes have been demonstrated by various approaches.

中文翻译：

可重新配置的智能执行器和胶粘剂

自然界中发现的生物系统具有出色的刺激反应功能。头足类（章鱼，乌贼）的伪装适应，海参的刚度快速变化，湿度响应引起松果的开放以及昆虫接触时金星捕蝇器的快速闭合是自然界智能系统的一些例子。尽管目前的技术仍无法在智能生物系统中模仿这些复杂的结构和功能，但有关刺激响应性可编程物质的最新工作已显示出巨大的进步。基于水凝胶，响应性纳米复合材料，杂化结构，形状记忆聚合物和液晶弹性体的刺激响应材料已表现出对各种刺激（例如温度，光，pH和电场）的出色响应性。然而，这些刺激响应材料中的技术仍然不够复杂，无法证明理想可编程物质的最终属性：将可编程物质快速且可逆地重新配置为复杂而坚固的形状。近来，响应于外部刺激而可逆地改变其结构/形状或物理/化学性质的可重构（或可编程）物质，已在传感器，致动器，机器人技术和智能系统中引起了极大的兴趣。特别地，已经通过各种方法证明了可编程物质的关键属性，包括快速和可逆的重新配置成复杂且健壮的2D和3D形状。将可编程物质快速且可逆地重新配置为复杂而稳定的形状。近来，响应于外部刺激而可逆地改变其结构/形状或物理/化学性质的可重构（或可编程）物质，已在传感器，致动器，机器人技术和智能系统中引起了极大的兴趣。特别地，已经通过各种方法证明了可编程物质的关键属性，包括快速和可逆的重新配置成复杂且健壮的2D和3D形状。将可编程物质快速而可逆地重新配置为复杂而稳定的形状。近来，响应于外部刺激而可逆地改变其结构/形状或物理/化学性质的可重构（或可编程）物质，已在传感器，致动器，机器人技术和智能系统中引起了极大的兴趣。特别地，已经通过各种方法证明了可编程物质的关键属性，包括快速和可逆的重新配置成复杂且健壮的2D和3D形状。

更新日期：2017-03-06

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