Publication date: 28th August 2024
Three-dimensional (3D) and low-dimensional (LD) perovskite solar cells (PSCs) are among the most promising strategies for achieving highly efficient and stable perovskite solar cells. Despite being popular and effective, the necessity of the surface LD perovskite (LDP) layer remains uncertain [1]. The use of organic salts without forming an LDP raises questions about the need for this capping layer. I will compare recent results obtained with the 3D/LDP configuration to those using surface cation passivation and 3D/LDP bilayers, both of which can achieve the highest efficiency values in perovskite solar cells. This comparison will provide a comprehensive perspective on the benefits of these two strategies, including examples where both approaches have achieved efficiencies exceeding 23%[2,3].
Reference
[1] Sam Teale, Matteo Degani, Bin Chen, Edward Sargent, Giulia Grancini, Nat Energy, 2024.
[2] M. Degani, Q. An, M. Albaladejo-Siguan, Y. J. Hofstetter, C. Cho, F. Paulus, G. Grancini and Y. Vaynzof, Sci. Adv, 2021, 7, 7930
[3] Matteo Degani, Riccardo Pallotta, Giovanni Pica, Masoud Karimipour, Alessandro Mirabelli, Kyle Frohna Miguel Anaya, Samuel D. Stranks, Monica Lira Cantù, Giulia Grancini, submitted
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