Boosting piezo-photocatalytic activity of BiVO4/BiFeO3 heterojunctions through built-in polarization field tailoring carrier transfer performances

Qinfang Jing,Zhiyong Liu,Xian Cheng, Cichun Li,Pengrong Ren,Kun Guo, Haojie Yue,Bing Xie,Ting Li,Zhiguo Wang,Longlong Shu

Chemical Engineering Journal（2023）

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摘要

•The n-p type BVO/BFO heterojunction was prepared successfully.•BVO/BFO heterojunction showed a superior degradation rate up to 98% for RhB.•Built-in polarization field enhanced the separation of electron-hole pairs.•Excellent carrier transport property boosted the piezo-photocatalytic activity.•The improved piezo-photocatalysis was revealed by experiment and DFT calculation.

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关键词

BiVO4/BiFeO3 heterojunctions,Synergetic catalysis,Polarization field,Degradation mechanism

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