Conducting Polymer-Based Cantilever Sensors for Detection Humidity

Table 2

Sensitivity in the piecewise linear approximation, for the humidity cantilever sensor coated with different conducting polymers.

Sensitive layer	^2	Slope (nm/% RH)	Linear range of % RH
Polypyrrole	1	682.6	20–25
	1	430.7	25–30
	0.99	320.8	30–45
	1	70.1	45–62
	1	30.2	62–70
Polyaniline	1	197.8	20–52
	1	100	52–62
	1	61.2	62–70
Poly(o-ethoxyaniline)	0.99	26.4	20–40
	1	74.2	40–45
	0.99	24.1	45–70