A new method increases the surface area of nanowires by “decorating” them with sinuous chains of metal oxide or noble metal nanoparticles.
“You can think of it like a tree. The nanowires are the trunk, very good at transporting electrons, like sap, but limited in surface area,” explains Xiaolin Zheng, an assistant professor of mechanical engineering at Stanford University.
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Photo credit: Stanford Nanocharacterization Laboratory