Partial Substitution of Cu Sites by Mg for the Improvement of CuWO4 Photoanodes Performance
Sergio González-Poggini,
Bruno Sánchez,
Alice Sheppard
et al.
Abstract:The photoelectrochemical properties of CuWO 4 (Mg x%) thin-films obtained by solution-based methods are investigated as a function of the material composition. The thin-films are prepared by spin-coating a single precursor solution onto FTO-coated glass substrates, followed by an annealing process at 550 °C. XRD, Raman, XPS, and electrochemical data studies indicate the formation of single-phase CuWO 4 (Mg x%), with Mg 2+ partially substituting Cu 2+ sites. Photoelectrochemical studies under monochromatic illu… Show more
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