Research Article

Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement

Figure 4

UV-Vis spectra of the catalytic reduction of 4-nitrophenolate (400 nm) to 4-aminophenol (300 nm) in the water and comparison of catalytic efficiency of Ag, Ag/TiO2, Ag/GO, and Ag/TiO2/GO (a); comparison of catalytic efficiency of varied contents of Ag in ATG Nces (b).
(a)
(b)