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. 2020 May 27;13(11):2440. doi: 10.3390/ma13112440

Figure 5.

Figure 5

ER-EIS spectra in linear scale measured on imine bTaThDaz and spiro-OMeTAD thin films in acetonitrile with 0.1 M TBAF6. The frontier orbitals (HOMO and LUMO) were determined from the intersect of the of band tail extrapolation to the energy scale.