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Regardless of the location of the TiO<jats:sub>2<\/jats:sub> layer in the photoanodes, that is, Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub>\/TiO<jats:sub>2<\/jats:sub>\/FTO or TiO<jats:sub>2<\/jats:sub>\/Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub>\/FTO, high performance was obtained when <jats:italic>\u03b1<\/jats:italic>\u2010Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> and H\u2010TiNT\/anatase\u2010TiO<jats:sub>2<\/jats:sub> phases existed in the constituent Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> and TiO<jats:sub>2<\/jats:sub> layers after optimized heat treatments. The presence of the Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> nanoparticles with high uniformity in the each layer of the Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub>\/TiO<jats:sub>2<\/jats:sub>\/FTO photoanode achieved by a simple dipping process seemed to positively affect the performance improvement by modifying the energy band structure to a more favorable one for efficient electrons transfer. Our current study suggests that the application of the TiO<jats:sub>2<\/jats:sub> interlayer, together with <jats:italic>\u03b1<\/jats:italic>\u2010Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> nanoparticles present in the each constituent layers, could significantly contribute to the performance improvement of the conventional Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> photoanode.<\/jats:p>","DOI":"10.1155\/2013\/723201","type":"journal-article","created":{"date-parts":[[2013,12,31]],"date-time":"2013-12-31T21:01:51Z","timestamp":1388523711000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Enhanced Water Splitting by Fe<sub>2<\/sub>O<sub>3<\/sub>\u2010TiO<sub>2<\/sub>\u2010FTO Photoanode with Modified Energy Band 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