The OPV performance parameters (averaged over 8 devices) for different BODIPY molecules under optimized D : A wt ratio. The ± numbers refers to the standard deviation of each of the photovoltaic performance parameters over the 8 devices. The Jsc estimated from EQE spectra is also included.
Donor:acceptor blend | Donor to acceptor ratio | J sc (mA cm−2) (Jsc from EQE) | V oc (V) | FF (%) | PCE avg. (%) | PCE best (%) |
---|---|---|---|---|---|---|
TPA-PTZ-BDP:PC71BM | 1 : 6 | 5.09 ± 0.36 (5.22) | 0.687 ± 0.015 | 32.5 ± 1.1 | 1.14 ± 0.11 | 1.33 |
PTZ-TPA-BDP:PC71BM | 1 : 4 | 5.70 ± 0.11 (6.20) | 0.672 ± 0.008 | 40.8 ± 0.8 | 1.56 ± 0.04 | 1.62 |
N-PTZ-BDP:PC71BM | 1 : 3 | 5.83 ± 0.44 (4.83) | 0.699 ± 0.114 | 33.4 ± 6.7 | 1.33 ± 0.14 | 1.51 |