Strong, Self‐Healable, and Recyclable Visible‐Light‐Responsive Hydrogel Actuators
作者:Zhen Jiang、Ming Li Tan、Mahdiar Taheri、Qiao Yan、Takuya Tsuzuki、Michael G. Gardiner、Broden Diggle、Luke A. Connal
DOI:10.1002/anie.201916058
日期:2020.4.27
hydrogel actuators include reliance on UV light, slow response, poor mechanical properties, and limited functionalities. Now, a supramolecular design strategy is used to address these issues. Key is the use of a benzylimine-functionalized anthracene group, which red-shifts the absorption into the visible region and also stabilizes the supramolecular network through π-π interactions. Acid-ether hydrogen
光驱动水凝胶致动器面临的最紧迫挑战包括对紫外线的依赖,响应速度慢,机械性能差以及功能受限。现在,使用超分子设计策略来解决这些问题。关键是使用苄基亚胺官能化的蒽基,该基团将吸收红移到可见光区域,并通过π-π相互作用稳定了超分子网络。引入了酸-醚氢键,以便在机械变形下消耗能量并保持网络的亲水性。通过简单的合成方法开发的这种双交联超分子水凝胶在湿态和干态下均具有高强度,快速自愈和快速可见光驱动的形状变形的独特组合。由于所有互动都是动态的,