Facile Synthesis of Graphene Oxide/Titanate Nanotube Composites and Their Application for Cobalt(II) Removal

Figure 2

(a) The low-magnification TEM image of GTNT composite. (b)-(c) The enlarged TEM images of the GTNT composite. (d) The high-resolution TEM image of the GTNT composite.

(a)

(b)

(c)

(d)