Table 5. Summary of hole and electron mobilities of PTB7-Th:DFDO-RC2, PTB7-Th:DFDE-RC2, PTB7-Th: DFBzO-RC2, and PTB7-Th:DFBzE-RC2 blend films

Photoactive layer μh (cm2 V−1 s−1) μe (cm2 V−1 s−1) μh/μe ratio
PTB7-Th:DFDO-RC2 6.20(±1.78)×10−4 1.84(±0.35)×10−5 33.55
PTB7-Th:DFDE-RC2 5.34(±0.60)×10−4 4.98(±1.55)×10−6 107.19
PTB7-Th:DFBzO-RC2 3.19(±0.52)×10−4 7.11(±0.61)×10−5 4.49
PTB7-Th:DFBzE-RC2 7.19(±1.53)×10−5 4.43(±0.53)×10−5 1.62