Table 2 Detailed photovoltaic parameters of binary and ternary devices

From: Rational molecular and device design enables organic solar cells approaching 20% efficiency

Active layer

VOC (V)

JSC (mA cm−2)

JSCcal (mA cm−2)

FF (%)

PCEa (%)

PM6:BTP-eC9

0.843

28.27

27.39

79.17

18.87 (18.63 ± 0.11)

PM6:o-BTP-eC9

0.901

26.33

25.54

78.83

18.71 (18.50 ± 0.11)

Ternary

0.860

28.75

27.83

80.41

19.88 (19.55 ± 0.15)

Ternaryb

0.848

28.78

/

79.86

19.48

  1. calIntegrated JSC values from EQE measurements.
  2. aThe average PCEs with standard deviation calculated from 30 devices. All devices were tested with a metal mask applied.
  3. bThe certified photovoltaic parameters from an accredited calibration lab, Enli Tech. Optoelectronic Calibration Lab. Accreditation Criteria: ISO/IEC 17025:2017.
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