Fig. 3From: Defect and Doping Engineered Penta-graphene for Catalysis of Hydrogen Evolution ReactionThe optimized structures for the defect and doped PG with the two different C2 vacancy sites, a VC-UPN-doped, b VC-DOWNN-doped, c VC-UPS-doped, d VC-DOWNS-doped, e VC-UPP-doped, f VC-DOWNP-doped, the blue dashed circles indicate possible active sites for hydrogen evolutionBack to article page