João Freitas's research focuses on the synthesis and characterization of doped hematite nanostructured films, as well as on the study of the influence of catalysts in PEC cells for green hydrogen production by water splitting. Heterojunctions with hematite are also part of the research.

Research Topics: Photoelectrochemical Cell, Water Splitting, Hematite, Doped Hematite, Catalyst, Heterojunction.