Dear All,

As you know, in electrocatalysis research studies, the electrochemical active surface area, EASA, (surface area available for reaction) is a highly important factor in evaluating the reactivity of a given catalyst. Increased surface roughness, and hence increased surface area, of the catalyst can have significant effects on the overall behavior of a target material. Thus, straightforward and practical area measurement procedures are an essential aspect of catalysis research. From here I would like to ask you a question. I determined the roughness factor (Rf) for a synthesized catalyst from impedance measurements. Is there a direct mathematical relation between Rf and EASA? Or in other words, how can I calculate the value of EASA from Rf.

Thanks a lot in advance for your kind cooperation.

Sincerely,

Mohammed A. Amin