Proceedings of nanoGe Fall Meeting 2018 (NFM18)
Publication date: 6th July 2018
From the environmental point of view, the main problem that human beings face nowadays is obtaining renewable energies that ensure a sustainable balance. One of the most attractive tactics to achieve this purpose is the extraction of solar fuels from sunlight to reduce the dependence on fossil sources. Specifically, obtaining H2 from water splitting constitutes one of the most promising strategies for a sustainable energy landscape. The study of Earth-abundant-element based water oxidation catalysts, is a key factor in the race for establishing water splitting as a techno-economical viable approach. In the present work, we study the electrocatalytic performance of NiZnFeOx films deposited by thermal-spray technique on different conductive substrates, as FTO and Ni foil, in order to study its influence. Furthermore, complementary structural, optical, electrochemical and spectroscopic techniques were employed to identify the most relevant steps towards water oxidation and to determine the limiting factors of the studied catalysts for performance.
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