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. 2022 Aug 17;9(30):2202399. doi: 10.1002/advs.202202399

Figure 3.

Figure 3

a) Chemical structure of 2PACz and schematic illustration of the ITO‐2PACz electrode (left), as well as a schematic of the standard cell architectures employed. b) Work function of ITO, ITO‐2PACz, ITO/PEDOT:PSS, and HOMO level of PM6 measured via photoelectron spectroscopy in air (PESA) technique. c) Dark current through a hole‐only device based on ITO, 2PACz, and PEDOT:PSS. The inset shows the schematic of the hole‐only cell's architecture. d) J–V curves of PM6:N3 solar cells based on ITO, ITO‐2PACz, and ITO/PEDOT:PSS. e) Light intensity dependence of V OC for the same cells. Reproduced with permission.[ 91 ] Copyright 2020, American Chemical Society.