Fig. 2: Electrocatalyst comparison.
From: Electrochemically grown porous platinum for electrocatalysis and optical applications
A–C SEM of the porous platinum on platinum (A), on rough conductive silicon (B) and on Cu wire (C); (D) SEM of Cu wire. E–H Corresponding EDX of the electrodes indicated in (A–D). The spectra were recorded at 15 keV or 20 keV, so that Pt-La,b lines are excited. The spectrum (F) was recorded at 10 kV to avoid Si large peak in the spectrum. The Pt-L lines are not excited and are therefore missing. I–L Corresponding raw FTIR transmittance spectra of the CO2 electrohemical conversion recorded on the electrodes indicated in (A–D) at 2 V potential difference between the anode and cathode at an interval of 10 s between the spectra a (red), b (blue), c (greem), d (light greem), respectively.
