Table 1.

Conductivity data of PUU-AC0, PUU-AC1 and PUU-AC3 films, determined via four-point probe.

Conductivity (S/cm)
Substrate	Thickness (mm)	Dopant	Un-Doped Doped
PUU-AC0	0.194	HCl	6.95 × 10−7	1.60 × 10−6
PUU-AC1	0.124	HCl	8.46 × 10−7	3.04 × 10−6
PUU-AC3	0.134	HCl	9.94 × 10−7	3.7 × 10−6
PUU-AC0	0.005	H2S gas (20 ppm)	1.22 × 10−5	6.22 × 10−5
PUU-AC1	0.005	H2S gas (20 ppm)	7.92 × 10−5	7.1 × 10−4
PUU-AC3	0.008	H2S gas (20 ppm)	3.6 × 10−4	3.80 × 10−3
Glass (reference)			2.09 × 10−6