Figure 9
source of error at each point.
Electrical characteristics of 3 × 3 array of devices (a) Output characteristics for different devices at constant Vgs ~ − 0.2 V for 10 mM KCl concentration (b) transfer characteristics for different devices at constant voltage Vds ~ 0.1 V and 10 mM KCl concentration, and similarity in Vth for different devices for fixed 10 mM KCl concentration is shown by fitting (dashed line) the linear region of the corresponding transfer curve and (c) plot of an average value of Vth for 9 devices of a chip for KCl concentrations along with error bar representation, while standard deviation as a
