Synergistic integration of MoOx co-catalyst with oxygen vacancies-engineered on BiVO4 for enhancing the sensitivity of photoelectrochemical DNA biosensing

Junfeng Peng,Lijiao Zu,Zhicong Ren,Lei Liu, Zhiyong Yang,Jianbang Chen,Xicheng Wang,Daotong You,Tuan Guo

Chemical Engineering Journal（2023）

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摘要

•A photoelectrochemical biosensor based on highly signal-enhancement of MoOx/BiVO4-Ov is developed for DNA.•Coupling MoOx co-catalyst and oxygen vacancy on the BiVO4 can amplify signal.•The PEC biosensor exhibit excellent selectivity and sensitivity for DNA.

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关键词

Photoelectrochemical biosensor,Signal amplification,MoOx co-catalyst,Oxygen vacancies,DNA hybridization

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