Research Article

Thermal Annealing Effect on Structural, Morphological, and Sensor Performance of PANI-Ag-Fe Based Electrochemical E. coli Sensor for Environmental Monitoring

Figure 9

Total impedance versus frequency plots when incubated in E. coli solution for PANI-Ag-Fe nanocomposite thin films (a) before annealing and (b) after annealing at 300°C.
(a)
(b)