Pulsed Laser Deposition of High Performance Single and Multilayered Photoanodes for Water SplittingTuesday (27.09.2016) 15:45 - 15:48 Part of:
Ternary metal oxide photoanodes for photoelectrochemical (PEC) water splitting, such as BiVO4 and CuWO4 have gained great attention to go beyond classical TiO2 and WO3. In this context, the synthesis method is fundamental, especially in the large-scale scenario. Pulsed Laser Deposition (PLD), among other vapor techniques, has significant advantages as stoichiometric target-to-substrate transfer, good thickness control, reproducibility and scalability. Moreover, it is a very suitable technique for performing combinatorial depositions, so that highly crystalline multilayered electrodes can be easily prepared in single batches. In this work, we report bare WO3 and BiVO4 films, and BiVO4/WO3/SnO2 heterostructures, all prepared by PLD under optimized conditions. These photoanodes exhibit very promising PEC performance as photoanodes in water splitting with improved efficiencies.
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