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. 2018 Sep 7;3(9):10791–10797. doi: 10.1021/acsomega.8b01817

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