fig6

From: Interfacial engineering of Bi-based heterojunction for boosting photocatalytic nitrogen fixation: a perspective review

Figure 6. (A) Transmission electron microscopy (TEM) and (B and C) High-resolution TEM (HRTEM) images of Bi₂MoO₆/OV-BiOBr p-n heterojunctions; (D) The proposed reaction mechanism of photocatalytic N₂ fixation over Bi₂MoO₆/OV-BiOBr heterojunctions. (A-D) Reproduced with permission from^[114]. Copyright 2019, Royal Society of Chemistry; (E) band diagrams of CdWO₄ and Bi₄O₅Br₂. Transient photocurrent response (F), EIS plots (G), and photoluminescence (PL) spectra (H) of CdWO₄, Bi₄O₅Br₂, and Bi₄O₅Br₂/CdWO₄ composites. (E-H) Reproduced with permission from^[105]. Copyright 2023, American Chemical Society. CB: Conduction band; VB: valence band; BOB: BiOBr; CWO: CdWO₄; EIS: electrochemical impedance spectroscopy; NHE: normal hydrogen electrode.