Abstract
Nanoporous BiVO4/Bi2S3 nanosheets have been firstly fabricated through a two-step annealing followed by hydrothermal method using BiOI two-dimensional nanosheets as precursors, which could greatly improve the photoelectrochemical performances of BiVO4 due to the enhanced charge separation efficiency and the enlarged absorption range. The optimal content of Bi2S3 in the BiVO4/Bi2S3 nanocomposites has been explored by tuning the reaction time. In addition, it is found that loading co-catalysts FeOOH could further optimize the hole transfer pathway and thus enhance the photoelectrochemical water splitting ability.
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