Research Article
Eco-Friendly Coffee Waste-Based Carbon Dots Coupled to ZnBi-Layered Double Hydroxide Heterojunction: Enhanced Control of Interfacial Charge Transfer for Highly Efficient Visible-Light Catalytic Activity
Figure 5
(a) UV-vis DRS spectra (Inset: (αhν)2 vs. hν). (b) Emission spectrum ( = 370 nm). (c) EIS properties (Nyquist plots) of ZnBi2O4 and CDs (2%)-ZnBi2O4.
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