Bifunctional Tailoring of Platinum Surfaces with Earth Abundant Iron Oxide Nanowires for Boosted Formic Acid Electro-Oxidation

Figure 1

CVs measured in 0.5 M H₂SO₄ at a scan rate 100 mV·s⁻¹ at bare curve A and nonactivated curve B and activated curve C (at −0.5 V), curve D (at −0.9 V), and curve E (at −1.3 V) nano-FeOx-modified Pt (a), Au (b), and GC (c) substrates. Activation was pursued for 10 min in 0.2 mole·L⁻¹ NaOH.

(a)

(b)

(c)