Table 2 Photovoltaic parameters of PM6:PY-BO and PM6:4Y-BO based OSCs under the illumination of AM 1.5 G (100 mW cm–2)

From: Polymer-like tetramer acceptor enables stable and 19.75% efficiency binary organic solar cells

Active layer

VOC(V)

JSC (mA cm–2)

JEQE (mA cm–2)

FF (%)

PCEa (%)

Eloss (eV)

PM6:PY-BO

0.929 (0.926 ± 0.003)

23.33 (23.19 ± 0.41)

22.47

72.26 (70.25 ± 0.73)

15.66 (15.16 ± 0.57)

0.556

PM6:4Y-BO

0.944 (0.943 ± 0.003)

26.59 (26.58 ± 0.21)

25.62

78.63 (77.96 ± 0.52)

19.75 (19.55 ± 0.23)

0.534

PM6:4Y-BOb

0.940

26.94

–

77.33

19.58

–

  1. aAverage parameters with standard deviations obtained from at least ten devices.
  2. bCertificated by the National Center of Inspection on Solar Photovoltaic Products Quality (CPVT).
  3. JEQE represents the integral current of EQE curves. Eloss represents the energy loss of the devices.
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