Surface-Enhanced Infrared Absorption of o-Nitroaniline on Nickel Nanoparticles Synthesized by Electrochemical Deposition

Figure 9

FESEM images of nickel nanoparticles fabricated with different pH values: (a) 8.92; (b) 7.68; (c) 6.79; (d) 5.35; and (e) 3.74.

(a)

(b)

(c)

(d)

(e)