Table 4 Detailed Eloss parameters of two efficient OSC systems made with different additives

From: 19.31% binary organic solar cell and low non-radiative recombination enabled by non-monotonic intermediate state transition

Active layer

VOCc (V)

Eloss (eV)

Eg (eV)

ΔE1 (eV)

ΔE2 (eV)

EQEEL (%)

ΔE3 (eV)

ΔE3cal (eV)

PM1:BTP-eC9a

0.872

0.512

1.384

0.259

0.074

7.2 × 10−2

0.187

0.179

PM1:BTP-eC9b

0.898

0.496

1.394

0.262

0.066

1.1 × 10−1

0.175

0.168

PM6:BTP-ec9a

0.845

0.549

1.394

0.262

0.075

3.8 × 10−2

0.204

0.212

PM6:BTP-eC9b

0.873

0.521

1.394

0.262

0.069

5.7 × 10−2

0.192

0.190

  1. aDevices made with DIO.
  2. bDevices made with TCB.
  3. cDevice area were tested without metal mask applied.