Improvement of Amperometric Biosensor Performance for H₂O₂ Detection based on Bimetallic PtM (M = Ru, Au, and Ir) Nanoparticles

Figure 2

EDX spectra of pure Pt (a) and bimetallic PtRu (b), PtAu (c) and PtIr (d) nanoparticle. (TEM instrument, carbon, and copper grid spectra corresponding to olive green asterisk: Fe, violet asterisk: Co, pink asterisk: C, and gray asterisk: Cu).

(a)

(b)

(c)

(d)