Figure 5
(a) The potentiometric response of PPMM@PDA/PVA(1/8)@Au and PPMM@PDA/PVA(1/8)@Au@IrO2 in aqueous solutions with pH values adjusted from 2 to 12. (b) The corresponding pH-sensing sensitivities of PPMM@PDA/PVA(1/8)@Au@IrO2 in aqueous solutions of different pH ranges.
