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 2

(a) TEM, HRTEM, SEM-EDX, and particle size of CDs and (b) SEM-EDX of catalyst.
(a)
(b)