期刊
SMARTMAT
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/smm2.1190
关键词
actuator; anisotropic structure; interfacial supramolecular assembly; multicolor fluorescent hydrogels; self-gluing
In this study, robust fluorescent polymeric hydrogel actuators with spatially anisotropic structures were constructed using an interfacial supramolecular assembly (ISA) approach, enabling control over synergistic shape/color-changing behaviors. The proposed ISA approach is universal and expected to open new avenues for developing bioinspired intelligent soft actuators/robotics with selective spatial shape/color-changing behaviors.
Biomimetic intelligent polymeric hydrogel actuators with cooperative fluorescence-color switchable behaviors are expected to find great potential applications in soft robotics, visual detection/display, and camouflage applications. However, it remains challenging to realize the spatial manipulation of synergistic shape/color-changing behaviors. Herein, we report an interfacial supramolecular assembly (ISA) approach that enables the construction of robust fluorescent polymeric hydrogel actuators with spatially anisotropic structures. On the basis of this ISA approach, diverse 2D/3D soft fluorescent hydrogel actuators, including chameleon- and octopi-shaped ones with spatially anisotropic structures, were facilely assembled from two different fluorescent hydrogel building blocks sharing the same physically cross-linked agar network. Spatially control over synergistic shape/color-changing behaviors was then realized in one single anisotropic hydrogel actuator. The proposed ISA approach is universal and expected to open promising avenues for developing powerful bioinspired intelligent soft actuators/robotics with selective spatial shape/color-changing behaviors.
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