Nanostructure -- WO3

Nanostructured WO₃ has been developed as a promising water-splitting material due to its ability of capturing parts of the visible light and high stability in aqueous solutions under acidic conditions. In this review, the fabrication, photocatalytic performance and operating principles of photoelectrically cells (PECs) for water splitting based on WO₃ photoanodes, with an emphasis on the last decade, are discussed. The morphology, dimension, crystallinity, grain boundaries, defect and separation, transport of photo generated charges will also be mentioned as the impact factors on photocatalytic performance.

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