Figure 6. The change in the area of crystallite orientation (100) for (a) PDTBT2T-FTBDT and (b) BTP-4F with CB, (c) PDTBT2T-FTBDT and (d) BTP-4F with CF. Reproduced from [106]. (e) Out-of-plane and (f) in-plane GIXD diffraction intensity for PTB7-th:P(NDI2OD-T2) film with CN, o -DCB and CB. Reproduced from [107]. (g) AFM height images of P3HT:N2200 blend films. Reproduced from [108].