Effect of tetravalent dopants on hematite nanostructure for enhanced photoelectrochemical water splitting

Sn-doped 3D ATO inverse opal/hematite hierarchical structures: facile fabrication and efficient photoelectrochemical performance

“…The combination of two strategies in our heterostructures resulted in a higher photocurrent than those of similar reported Fe 2 O 3based photoanodes. 16,28,31,36,[48][49][50] Although the PEC performance of the as-prepared Sn-doped ATO IO/Fe 2 O 3 heterostructures is not superior, the utilization of the conductive IO structure, especially the discussion of the inuence of the pore sizes of IO structures, provides a novel concept and a basic reference for improvement of the PEC performance of Fe 2 O 3 and other semiconductors.…”

Ultrathin Hematite Photoanode with Gradient Ti Doping

“…Unfortunately, although featuring a potential to convert 16.8% of solar energy to hydrogen, the practical application of hematite photoanode is crucially limited by its poor charge transportation, which further leads to significant charge recombination. To boost the charge transfer ability for further improving PEC perfor-mance, various strategies have been recently proposed, such as element doping, nanostructuring, and surface functionalization [4,[16][17][18][19][20].…”

Surface sulfurization activating hematite nanorods for efficient photoelectrochemical water splitting

“…Hitherto, enormous efforts have been made to modify a-Fe 2 O 3 photoanodes to overcome these bottlenecks for the enhanced PEC water splitting performances. For example, doping of foreign elements, such as Al [12], Ti [13], Zn [14], Si [15], and Sn [16], etc., has been evidenced effective to increase the charge density and then improve the electronic conductivity in a-Fe 2 O 3 photoanodes for efficient charge transfer in bulk and thus enhanced PEC activities [9,17]. Nanostructure design, an effective approach to manipulating the morphology and dimension at nanometer scale (e.g., nanorods, nanotubes, nanowires, etc.)…”