Preparation and Characterisation of Polypyrrole-Iron Oxyhydroxide Nanocomposite as Sensing Material

Figure 7

FESEM images with no sonication (a), one-hour sonication (b), three-hour sonication (c), 5 wt% PFFs (d), and 10 wt% PFFs (e).

(a)

(b)

(c)

(d)

(e)