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  • Title: Colloidal WO(3) nanowires as a versatile route to prepare a photoanode for solar water splitting.
    Author: Gonçalves RH, Leite LD, Leite ER.
    Journal: ChemSusChem; 2012 Dec; 5(12):2341-7. PubMed ID: 23139181.
    Abstract:
    This work describes a synthetic method to produce a WO(3) nanowire as well as to prepare photoanodes by colloidal nanowire deposition. We also studied the influence of a nanowire phase on the photoanode performance for water splitting. Among the nanowires synthesized by using nonhydrolytic media, the orthorhombic WO(3)·H(2) O nanowire produced a photoanode with excellent performance (a photocurrent of 1.96 mA cm(-2) at 1.23 V(RHE) ) and good photocurrent stability during long-term analysis (chronoamperometry test). The structural and photoelectrochemical characterization showed the importance of nanostructural features such as exposed (200), (020), and (002) facets and porosity in the WO(3) photoanode performance.
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