Table 1 Summary of electronic conductivity (σ), Seebeck coefficient (α), and PF of doped PBTTT films.

For the sample on an OTS-treated substrate, σ = 670 ± 4 S/cm, α = 42 ± 6 μV/K, and PF = 120 ± 30 μW m−1 K−2. All other samples reported in this table are on untreated quartz substrates.

DopantConditionσ (S/cm)α (μV/K)PF (μW m−1 K−2)
F4TCNQSolution—
as-cast
2.08 ± 0.0145 ± 40.42 ± 0.09
Solution—
annealed
3.51 ± 0.0560 ± 91.3 ± 0.4
Vapor—
as-cast
114.1 ± 0.532 ± 412 ± 3
Vapor—
annealed
220.00 ± 0.0239 ± 532 ± 9
F2TCNQSolution—
as-cast
0.41 ± 0.02111.7 ± 0.10.52 ± 0.03
Solution—
annealed
2 × 10−3 ± 2 × 10−4755 ± 1000.11 ± 0.03
Vapor—
as-cast
13.7 ± 0.2130 ± 2023 ± 6
Vapor—
annealed
36 ± 3140 ± 2070 ± 20