Fig. 2From: Using Different Ions to Tune Graphene Stack Structures from Sheet- to Onion-Like During Plasma Exfoliation, with Supercapacitor Applicationsa, b FESEM images of a GNS_Na+ and b GNS_H+; c, d bright-field TEM images and e, f HRTEM images with corresponding FFT images of c, e GNS_Na+ and d, f GNS_H+Back to article page