Constructing efficient Ti4O7/PbO2 heterostructured photoelectrode for water remediation

• DOI: 10.1680/jsuin.23.00071
• Publication Date: 2024-03-25T08:43:36Z
• Authors: Xinyu Li; Md Azharul Hossain; Zeqi Jiang; Yinghuan Fu; Hongchao Ma
• Keywords: Photocurrent; Hydrothermal Synthesis; Degradation

Photoelectrocatalytic oxidation (PEC) technology is considered to be an efficient process for the treatment of organic wastewater, and its performance depends on characteristics PEC photoanodes. Therefore, construction heterogeneous nanostructured photoelectrodes based suitable semiconductor materials fast induced carrier transfer efficiency essential a high-performance technique. Herein, titanium suboxide/lead (IV) oxide (Ti 4 O 7 /PbO 2 ) ceramic photoelectrode with was synthesized by coupling PbO nanospheres Ti through hydrothermal method. To maximize electrodes, nano-heterostructures were optimized modulating temperature. The electrodes possessed low Tafel slope, charge-transfer resistance good photocurrent response. -110 exhibited activity (approximately 92.21%) degradation reactive brilliant blue KN-R. arose from formation type II heterojunction between , which achieved photogenerated separation facilitated intermediate active species. This work not only validates water purification but also provides reference strategy preparation heterostructured high efficiency.