Figure 4: RSoXS characterization of the ternary films.

(a) RSoXS profiles (open symbols), calculated I(q) (solid lines), and (b) corresponding P(r) of PTB7-Th:PID2:PC71BM ternary systems. (c,d) The enlarged regimes of P(r) at the range of r=350–700 Å and 3,000–6,000 Å, respectively.