Table 1. UV–Vis Absorption and Energy Level Data of Spiro-OMeTAD, Bp-OMe, and Py-OMe films.
compound | λmax (nm) | EHOMO (eV) | λonset (nm) | Eg (eV) | ELUMO (eV) |
---|---|---|---|---|---|
spiro-OMeTAD | 384 | –5.10 | 416 | 2.98 | –2.12 |
Bp-OMe | 342 | –5.30 | 400 | 3.10 | –2.20 |
Py-OMe | 426 | –5.40 | 454 | 2.73 | –2.67 |