Romain Lavoipierre, Emilie Planes, Lionel Flandin and Lara Perrin*,
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Photovoltaic Efficiency Optimization of Electrodeposited MAPbI3 Perovskite: Impact of Ammonium Valeric Acid Iodide Additive
Electrodeposition is being investigated as an alternative method for developing large-area perovskite active layers for carbon-based solar cells. This study focuses on incorporating the 5-ammonium valeric acid iodide (5-AVAI) additive into the established MAPbI3 perovskite. Previous research has shown that 5-AVAI can enhance the performance and stability of similar solar cells produced via spin-coating, drop-casting, or inkjet printing. However, its impact on solar cells with electrodeposited active layers remains unexplored. This research investigated the synthesis and characterization of mixed 3D–2D perovskites in the (MAPbI3)1–x((AVA)2PbI4)x family processed by electrodeposition. By varying both the conversion times and 5-AVAI concentrations, we analyzed the structural, optical, and photovoltaic properties of these novel perovskites. An intricate interplay between the conversion parameters and the perovskite properties is evident. Notably, photovoltaic devices with a specific quantity of 5-AVAI showed a 65% enhancement in the power conversion efficiency after 150 h of post-treatment at 40 °C under vacuum. These findings open the way to the improved performance of electrodeposited MAPbI3 perovskites.
期刊介绍：
ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers.
The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.
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