Fig. 2: The structural order of polymer donors.

a, b 2D GIWAXS patterns and corresponding 1D GIWAXS profiles of PM6 with and without the presence of INMB-F, c, d 2D GIWAXS patterns and corresponding 1D GIWAXS profiles of D18-Cl with and without the presence of INMB-F, e, f 2D GIWAXS patterns and corresponding 1D GIWAXS profiles of PTB7-Th films with and without the presence of INMB-F.