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SnO2 Nanoparticles
In article number 2307958, Maria Antonietta Loi and co‐workers show that washing of the surface ions from the SnO2 layer improves the interface properties of organic solar cells.
In organic solar cells, the interfaces between the photoactive layer and the transport layers are critical in determining not only the efficiency but also their stability. When solution‐processed metal oxides are employed as the electron transport layer, the presence of surface defects can downgrade the charge extraction, lowering the photovoltaic parameters. Thus, understanding the origin of these...