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Keywords:

  • graphene functionalization;
  • DNA;
  • electrocatalyst;
  • direct formic acid fuel cells
Thumbnail image of graphical abstract

Deoxyribonucleic acid (DNA) is used to functionalize graphene and to further guide the growth of ultrasmall palladium (Pd) nanocrystals with uniform distribution on graphene (Pd-DNA@Graphene), demonstrating greatly improved electrocatalytic performance towards formic acid oxidation for direct formic acid fuel cells.