Summary of the GIWAXS parameters for PM6:F-2F and PM6:Spiro-F films.
| Blends | q a (010, Å−1) | d b (010, Å) | FWHMc (010, Å−1) | CCLd (010, Å) | q (100, Å−1) | d (100, Å) |
|---|---|---|---|---|---|---|
| PM6:F-2F | 1.68 | 3.75 | 0.27 | 20.8 | 0.48 | 13.09 |
| PM6:Spiro-F | 1.78 | 3.52 | 0.17 | 32.9 | 0.33 | 19.04 |
The location of diffraction peaks.
The π–π stacking distance.
The full width at half maxima of peaks.
The crystal coherence lengths calculated from the Scherrer equation: CCL = 2πk/FWHM.57