Figure 4

(a) In-plane and (b) out-of-plane scan for the blend films of PffBT4T-2OD:PC70BM, PffBT4T-2OD:PC70BM w/DIO, PffBT4T-2OD:bis-PDI and PffBT4T-2OD:bis-PDI w/DIO.
(a) In-plane and (b) out-of-plane scan for the blend films of PffBT4T-2OD:PC70BM, PffBT4T-2OD:PC70BM w/DIO, PffBT4T-2OD:bis-PDI and PffBT4T-2OD:bis-PDI w/DIO.