The photoelectrochemical performance of the p-n heterojunction BiVO/CuBiO photoanode was improved greatly compared with the BiVO film alone. The improved PEC performance due to the formation of heterojunction are beneficial to enhance the charge separation and transfer efficiencies.

中文翻译：

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BiVO4/CuBi2O4 异质结光阳极具有增强的电荷分离能力，可实现高效光电化学水分解

pn异质结BiVO/CuBiO光阳极的光电化学性能比单独的BiVO薄膜有了很大的提高。由于异质结的形成而改善的PEC性能有利于提高电荷分离和转移效率。