Iron oxide nanostructures for photoelectrochemical applications: Effect of applied potential during Fe anodization
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Iron oxide nanostructures for photoelectrochemical applications: Effect of applied potential during Fe anodization

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Iron oxide nanostructures for photoelectrochemical applications: Effect of applied potential during Fe anodization

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Lucas Granados, Bianca; Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose
This document is a artículoDate2019
In photoelectrochemistry, a suitable photoanode leading to high efficiencies in photocatalytic processes is a research challenge. Iron oxide nanostructures are promising materials to be used as photoanodes. In this work, different potentials during iron anodization were applied to study the properties of the synthesized nanostructures. Results revealed that nanostructures anodized at 50 V presented well-defined nanotubular structures with open-tube tops, and they achieved values of photocurrent density of 0.11 mA cm−2 at 0 rpm and 0.14 mA cm−2 at 1000 rpm (measured at 0.50 VAg/AgCl), corresponding to the oxygen evolution reaction from water, i.e. 2H2O + 4 h+ → 4H+ + O2, demonstrating their good photoelectrochemical behavior.

    Lucas Granados, Bianca Sánchez Tovar, Rita Fernández Domene, Ramón Manuel Garcia-Anton, Jose 2019 Iron oxide nanostructures for photoelectrochemical applications: Effect of applied potential during Fe anodization Journal of Industrial and Engineering Chemistry 70 234 242
https://doi.org/10.1016/j.jiec.2018.10.020

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