Fig. 9. (a) Illustration of the synthesis process of the ZnO/Cs2AgBiBr6 nanorod array. (b) Degradation efficiencies of RhB using ZC0.5 under different situations (visible light, simulated sunlight, visible light with stirring, simulated sunlight with stirring) and (c) corresponding calculated k values. (d) Proposed mechanism of piezoelectric field and photosource-modulated photocatalysis of ZnO/Cs2AgBiBr6 S-scheme heterojunction, (i, ii) ZnO under visible light irradiation (λ > 420 nm) and (iii, iv) ZnO under simulated sunlight irradiation in ZnO/Cs2AgBiBr6 S-scheme heterojunction under opposite piezoelectric field directions. Reproduced from ref. [163] (Copyright 2023, Elsevier Ltd.).
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