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. 2020 Mar 5;11:1218. doi: 10.1038/s41467-020-14926-5

Fig. 5. Chemical structures and thermal stability of photovoltaic systems.

Fig. 5

a Molecular structures of four photovoltaic systems, including PM6:Y6, J71:ITIC, PTB7-Th:PC70BM, and BDT-3T-R:PC70BM. Normalized photovoltaic performance of investigated (b) PM6:Y6, J71:ITIC, PTB7-Th:PC70BM, and BDT-3T-R:PC70BM blends doped by PZ1 additives as a function of annealing time at 150 °C.