Structure and Morphology Effects on the Optical Properties of Bimetallic Nanoparticle Films Laser Deposited on a Glass Substrate

Figure 4

AFM images of bimetallic nanostructures deposited on a glass substrate after (a) 5 laser passages; (b) 10 passages; (c) 15 passages; and (d) 20 passages. Here, the laser power is 2.5 W and the scanning speed is 1.2 mm/s.

(a)

(b)

(c)

(d)