Table 1 Electrical parameters of dense and porous P3HT/PS OTFTs exposed to the indicated NO2 concentrations.

NO2 concentration
(ppm)
Dense OTFTsPorous OTFTs
Ion (×10−7A)VT (V)μ (×10−3 cm2 V−1 s−1)Ion (×10−7A)VT (V)μ (×10−3 cm2 V−1 s−1)
01.824.31.01.153.21.5
11.844.71.11.344.81.6
21.865.31.21.416.42.0
51.886.71.41.5211.23.1
101.9410.71.61.6120.14.7
152.0519.62.01.7832.29.3
202.1930.14.32.3052.130.5