Research Article
Novel Electrochemical Synthesis of Polypyrrole/Ag Nanocomposite and Its Electrocatalytic Performance towards Hydrogen Peroxide Reduction
Figure 4
EPR spectra recorded at room temperature at X-band frequency (9.5 GHz) using receiver gain RG = 2.5 × 103; modulation amplitude MA = 1.0 G; microwave power 6.3 mW. (A) Polypyrrole (PPy) polymer and (B) Ag/PPy composite. (1) shows the asymmetrical signal in PPy polymer with (Dysonian line shape).