Cuesta, VirginiaSingh, Manish KumarGutiérrez Fernández, EdgarMartín, JaimeDomínguez, RocíoCruz, Pilar de laSharma, G. DLanga, Fernando2022-05-252022-05-252022-02-23CUESTA, V., et al. Gold(III) Porphyrin Was Used as an Electron Acceptor for Efficient Organic Solar Cells. ACS Applied Materials & Interfaces, -03-09, 2022, vol. 14, no. 9, pp. 11708-11717. ISSN 1944-8244. DOI 10.1021/acsami.1c22813. Disponible en: https://doi.org/10.1021/acsami.1c228131944-8244http://hdl.handle.net/2183/30753[Abstract] The widespread use of nonfullerene-based electron-accepting materials has triggered a rapid increase in the performance of organic photovoltaic devices. However, the number of efficient acceptor compounds available is rather limited, which hinders the discovery of new, high-performing donor:acceptor combinations. Here, we present a new, efficient electron-accepting compound based on a hitherto unexplored family of well-known molecules: gold porphyrins. The electronic properties of our electron-accepting gold porphyrin, named VC10, were studied by UV−Vis spectroscopy and by cyclic voltammetry (CV) , revealing two intense optical absorption bands at 500−600 and 700−920 nm and an optical bandgap of 1.39 eV. Blending VC10 with PTB7-Th, a donor polymer, which gives rise to an absorption band at 550−780 nm complementary to that of VC10, enables the fabrication of organic solar cells (OSCs) featuring a power conversion efficiency of 9.24% and an energy loss of 0.52 eV. Hence, this work establishes a new approach in the search for efficient acceptor molecules for solar cells and new guidelines for future photovoltaic material designengAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/Gold (III) porphyrinNonfullerene acceptorOrganic photovoltaicsBulk heterojunctionNear-infrared absorptionjournal articleopen access10.1021/acsami.1c22813