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Keywords:

  • alloy;
  • electrocatalyst;
  • fuel cells;
  • low cost;
  • stability;
  • ultrathin nanowires
Thumbnail image of graphical abstract

Skinnier than a supermodel: There will be an optimal size for ultrathin alloyed nanowires (NWs) as electrocatalysts. The ultrathin size of the NWs maximizes the surface area and utilization of precious metals, thereby lowering the precious metals loading and reducing the cost while increasing their electroactivity and stability.