Graphene-Tapered ZnO Nanorods Array as a Flexible Antireflection Layer

Figure 1

Photographs and SEM images of graphene (a), graphene-typical ZnO nanorods array ((b), (d)–(f)), and grapheme-tapered ZnO nanorods array ((c), (g)–(i)). Cross-sectional SEM images ((d) and (g)), low magnification tilted view ((e) and (h)), and high magnification tilted view ((f) and (i)).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)