Fig. 1. Device diagram of the RIfS system

Fig. 2. SEM graph of the NpAA sensing substrates prepared under different conditions

Fig. 3. Distribution of inner dimeters of NpAA sensing substrates prepared under different conditions

Fig. 4. Schematic diagram of the RIfS principle

Fig. 5. Computational domain and structural schematic of the simulation model

Fig. 6. EOT values of NpAA sensing substrates with pore diameter of 80 nm and different thicknesses

Fig. 7. EOT values of NpAAfilms with different thicknesses versusthe n_filler

Fig. 8. EOT valuesof NpAAfilmswith different pore diametersversusthe n_filler