Silver Nanoparticles Confined in SBA-15 Mesoporous Silica and the Application as a Sensor for Detecting Hydrogen Peroxide

Figure 6

The voltammetric response of (a) GC to 3 mM H₂O₂, (b) Ag-^mSBA-15/GC to 0 mM H₂O₂, (c) Ag-^mSBA-15/GC to 3 mM H₂O₂, (d) nm-Ag/GC to 3 mM H₂O₂, and (e) bulk Ag to 3 mM H₂O₂. All experiments were carried out in 0.2 M HAc-NaAc buffer (pH = 5) electrolyte, scan rate: 50 mV·s⁻¹.