Adsorption and oxidation of formaldehyde on a polycrystalline Pt film electrode: An in situ IR spectroscopy search for adsorbed reaction intermediates

• Zenonas Jusys and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2014, 5, 747–759, doi:10.3762/bjnano.5.87

• dissociative adsorption and oxidation of formaldehyde are discussed. Keywords: electrocatalysis; formaldehyde adsorption; formyl intermediate; in situ spectro-electrochemistry; Pt; Introduction The electrooxidation of organic C1 molecules, in particular of methanol, has been one of the most important topics

• of these findings for the C1 oxidation reaction will be discussed. Results and Discussion In situ ATR-FTIR spectra upon formaldehyde adsorption and oxidation The temporal evolution of the ATR-FTIR spectra upon admission of either H2- or D2-formaldehyde to the Pt electrode surface at different

• absorption and not reflecting noise in the spectra. The adsorbed formyl band is slightly less pronounced for adsorption of D2- than for H2-formaldehyde (Figure 2c and Figure 2d), which may reflect a kinetic H/D isotope effect (see section ‘Formaldehyde adsorption: COad formation rate and the kinetic H/D