Journal
ADVANCED OPTICAL MATERIALS
Volume 5, Issue 20, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201600751
Keywords
bioelectronics; camouflage; cephalopods; proteins; thin films
Categories
Funding
- Air Force Office of Scientific Research [FA9550-14-1-0144]
- Naval Research Laboratory Institute for Nanoscience
- Defense Advanced Research Projects Agency [HR00111510008, D16AP00034]
- U.S. Department of Defense (DOD) [HR00111510008] Funding Source: U.S. Department of Defense (DOD)
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Cephalopods possess remarkable camouflage capabilities, which are enabled by their complex innervated skin architectures and advanced nervous systems. As such, cephalopod skin constitutes an exciting model for biomimetic camouflage technologies. This study draws inspiration from the constituent components of optically active ultrastructures found in squid skin cells to help design color-changing bioelectronic devices, which consist of a proton-transporting active layer contacted by a proton-conducting actuating electrode. The devices exhibit distinct shifts in their reflectance and coloration, which are attributed to active layer thickness changes induced by the direct electrical injection/extraction of protons. The reported findings may hold relevance for developing novel color-changing technologies, understanding ion-transporting biological systems, and engineering improved bioelectronic platforms.
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