Fig. 7: Applications and extensions of the helical complex.
From: Twisting, untwisting, and retwisting of elastic Co-based nanohelices

a M-H curves at 300 K and b M-H curves at 2 K of the nanorods and nanohelices; c LSV curves and d Tafel slopes of the nanorods and nanohelices as electrocatalysts for the oxygen evolution reaction; e SEM image of tri-cobalt/nickel salicylate hydroxide hexahydrate nanohelices; f TEM image of a polycrystalline Co3O4 nanohelix.