Figure 4

SEM images of the pure Ni(OH)2 and RGO-Ni(OH)2 composite:
(a and b) low and high magnification SEM images of Ni(OH)2 sheets and (c and d) low and high magnification SEM images of RGO-Ni(OH)2 composite.

SEM images of the pure Ni(OH)2 and RGO-Ni(OH)2 composite:
(a and b) low and high magnification SEM images of Ni(OH)2 sheets and (c and d) low and high magnification SEM images of RGO-Ni(OH)2 composite.