Single molecule-high sheets of graphene oxide mix in solution with synthetic tandem repeat proteins patterned on squid ring teeth. The two separate materials self assemble so that the tandem repeat proteins attach to the edges of the graphene oxide sheets — one end on a sheet — to bring the graphene into stacks and uniformly space the sheets. The amount of spacing between graphene oxide sheets is determined by the length of the tandem repeat protein. Credit: Penn State
Squid-inspired proteins can act as programmable assemblers of 2D materials, like graphene oxide, to form hybrid materials with minute spacing between layers suitable for high-efficiency devices including flexible electronics, energy storage systems and mechanical actuators, according to an interdisciplinary team of Penn Stat...
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