Surface electrochemistry on an epitaxial palladium film on Pt (111): surface microstructure and hydrogen electrode kinetics
The surface electrochemistry of adsorbed hydrogen (Hupd) and the kinetics of the hydrogen
evolution/oxidation reactions (HER/HOR) have been studied on an epitaxial Pd layer on Pt
(111) in 0.05 M H2SO4 in a temperature range of 278–333K. The morphology and stability
of the Pd film during the electrochemical reactions was investigated by means of in situ
surface X-ray scattering (SXS). The SXS results show that Pd is deposited onto Pt (111) as a
uniform epitaxial metallic layer having the Pt lattice constant, that is, pseudomorphic growth …
evolution/oxidation reactions (HER/HOR) have been studied on an epitaxial Pd layer on Pt
(111) in 0.05 M H2SO4 in a temperature range of 278–333K. The morphology and stability
of the Pd film during the electrochemical reactions was investigated by means of in situ
surface X-ray scattering (SXS). The SXS results show that Pd is deposited onto Pt (111) as a
uniform epitaxial metallic layer having the Pt lattice constant, that is, pseudomorphic growth …
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