Research Article

One-Step Hydrothermal Synthesis of N, Fe-Codoped Carbon Dots as Mimic Peroxidase and Application on Hydrogen Peroxide and Glucose Detection

Figure 3

UV-vis spectra of TMB (a), N-CDs + TMB + H2O2 (b), TMB + H2O2 (c), N, Fe-CDs + TMB + H2O2 (d), N-CDs + TMB (e) and N, Fe-CDs + TMB (f). Inset: corresponding photographs of different reaction systems.