Lightweight, flexible, nanorod electrode with high electrocatalytic activity

We report on a dropcasting method to fabricate lightweight and mechanically flexible electrodes from gold nanorods. The nanorod electrodes possess extremely high electroactive areas, which lead to greatly enhanced electrocatalysis towards oxygen reduction reaction and methanol oxidation reaction when compared to conventional gold disk electrodes.

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► Lightweight and mechanically flexible electrodes were fabricated from gold nanorods.
► Nanorod electrodes possessed extremely high electrochemically active surface area.
► Electrocatalytic current densities were much higher than those on planar gold electrodes.