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. 2023 Aug 8;10(29):2302629. doi: 10.1002/advs.202302629

Figure 4.

Figure 4

a) UV–vis–NIR and b) electron paramagnetic resonance (EPR) spectra of the pristine and N‐DMBI‐doped polymer films. c) Electrical conductivity, d) Seeback coefficient, and e) power factor of three polymers‐based OTE devices as function of dopant concentration. f) Electron conductivity and power factor values of the f‐BTI2g‐based polymers together with high‐performance n‐type polymers reported in literature.