Table 1.
Diameter measurement and conductivity of fibers spun from PEDOT:PSS aqueous solution (2.5%, 5%, 10%) using different gauge needles (21 G, 27 G, 32 G with nominal inner diameters of 514 µm, 210 µm, and 108 µm, respectively). The average values from three different fibers are reported.
| PEDOT:PSS Concentration |
Gauge | Avg. Diameter (μm) |
Im/Vf
(A/V) |
Conductivity (S/cm) |
|---|---|---|---|---|
| 2.5% | 32 G | 22.34 | 2.21 × 10−4 | 214 |
| 27 G | 23.60 | 2. 49 × 10−4 | 216 | |
| 21 G | 38.36 | 6.87 × 10−4 | 226 | |
| 5% | 32G | 11.53 | 2.49 × 10−4 | 716 |
| 27G | 18.82 | 4.48 × 10−4 | 483 | |
| 21G | 29.79 | 1.02 × 10−3 | 439 | |
| 10% | 27G | 49.10 | 7.13 × 10−4 | 144 |