Table 2.
Electron mobilities and n‐type thermoelectric performance parameters of polymers PO8, PO12, and PO16‐based OTE devices
| Polymer | µ e,OTFT a) [cm2 V−1 s−1] | σ b) [S cm−1] | S c) [µV K−1] | PF c) [µW m−1 K−2] |
|---|---|---|---|---|
| PO8 | 0.015 (0.013 ± 0.02) | 18.1 (17.5 ± 0.4) | −110.2 (−107.2 ± 2) | 14.7 (13.1 ± 1.2) |
| PO12 | 0.013 (0.010 ± 0.03) | 92.0 (90.1 ± 3) | −162.6 (−158 ± 2) | 94.3 (92.5 ± 2) |
| PO16 | 0.007 (0.005 ± 0.001) | 43.5 (40.1 ± 0.5) | −95.4 (−92.1 ± 1) | 62.1 (57.8 ± 4) |
a)
Electron mobility from OTFT devices
b)
The conductivity of the polymers n‐doped at the optimal N‐DMBI concentration
c)
The power factors and the corresponding Seebeck coefficient values. The average values in parenthesis are from at least five devices.