249097.fig.001
Figure 1: Absorption spectra of Ag-Pt particles prepared by both sequential (b–f) and simultaneous methods. (a) depicts Ag plasmon peak obtained after irradiation for a dose of 13.8 kGy. Dotted line depicts the simultaneous reduction of AgNO3 and H2PtCl6 with Brij’97 for a total dose of 7.9 kGy. AgNO3 = [1 × 10−3 M], Brij’97 = [1 × 10−2 M], H2PtCl6 = [1 × 10−3 M] in an inert atmosphere; optical path: 1 cm.