Table 1 Physicochemical properties of PY-IT2F, PG-IT, and PG-IT2F

From: High performance polymerized small molecule acceptor by synergistic optimization on π-bridge linker and side chain

PSMAs

λmax solution (nm)

λmax film (nm)

λonset film (nm)

εmax film (105 cm−1)

\({E}_{g}^{{opt}}\) (eV)a

EHOMO (eV)

ELUMO (eV)

PY-IT2F

784

811

895

1.25

1.38

−5.71

−3.82

PG-IT

782

803

888

1.33

1.40

−5.67

−3.76

PG-IT2F

788

811

890

1.36

1.39

−5.68

−3.78

  1. aCalculated from the absorption edge of the polymer films: \({E}_{g}^{{opt}}\)= 1240/λonset.