Bi-Modified Bi₂WO₆/BiOI Heterojunction with Enhanced Visible-Light-Driven Photoactivity for Antibiotic Degradation

Figure 3

(a) TEM image, (b) HRTEM image of 20% Bi-Bi₂WO₆/BiOI, and (e–g) the STEM-EDS elemental mapping images of Bi, W, I, and O, respectively.

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