Abstract
ORR activity of metalated phenanthroline-strapped porphyrin adsorbed on carbon nanotubes
Highlights
For the last decade, the development of non-noble metal or metal-free catalysts for energy sources has been a field of growing interest
We have systematically investigated the properties of porphyrin and phthalocyanine complexes in the presence of carbon nanotubes as electron transporters and Nafion as proton source [33,34,40,41]
In the presence of the nanotubes, the two porphyrins behave and no noticeable differences are observed between MWNTFe-P and multiwalled carbon nanotubes (MWNTs)-Cu/Fe-P in terms of reduction of oxygen because MWNTs ensure a sufficient flux of electrons to the iron porphyrin reactive sites for the reduction
Summary
The development of non-noble metal or metal-free catalysts for energy sources has been a field of growing interest. In Nature, the reduction of oxygen is performed by the active center composed of an iron porphyrin and copper-histidine complexes in cytochrome c oxidase (CcO). We have systematically investigated the properties of porphyrin and phthalocyanine complexes in the presence of carbon nanotubes as electron transporters and Nafion as proton source [33,34,40,41].
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