Abstract
A well-integrated core-shell like BiVO4/BiOCl heterojunction was synthesized by a two-step solvothermal method. BiVO4 nanosheets shell were in situ synthesized on the surface of BiOCl microsphere core. Compared with the pure BiOCl, it had a larger BET surface area, stronger visible-light absorption and faster transfer of photocarriers. It had a much better photocatalytic performance than the pure BiVO4, which was owing to the enlarged surface area, enhanced visible-light absorption and photocarriers’ separation and transfer. The photogenerated electrons and holes of the BiVO4/BiOCl heterojunction transferred through a Z-scheme route, which made it had a better photocatalytic performance than that of the II type one.
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