Journal
MATERIALS
Volume 13, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/ma13132957
Keywords
polymer brushes; layer-by-layer; Belousov-Zhabotinsky (BZ) reaction; oscillating reactions; chemical clocks; spatiotemporal patterns; periodic actuation; soft robotics; biomimetic
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Chemo-mechanical phenomena, including oscillations and peristaltic motions, are widespread in nature-just think of heartbeats-thanks to the ability of living organisms to convert directly chemical energy into mechanical work. Their imitation with artificial systems is still an open challenge. Chemical clocks and oscillators (such as the popular Belousov-Zhabotinsky (BZ) reaction) are reaction networks characterized by the emergence of peculiar spatiotemporal dynamics. Their application to polymers at interfaces (grafted chains, layer-by-layer assemblies, and polymer brushes) offers great opportunities for developing novel smart biomimetic materials. Despite the wide field of potential applications, limited research has been carried out so far. Here, we aim to showcase the state-of-the-art of this fascinating field of investigation, highlighting the potential for future developments and providing a personal outlook.
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