Iodoethylammonium (IEA+)-based lead- and iodide- deficient halide perovskites (d-HPs) for solar cells

T. Pauporté; L. Gollino; N. Mercier

doi:10.1117/12.2647859

16 March 2023 Iodoethylammonium (IEA⁺)-based lead- and iodide- deficient halide perovskites (d-HPs) for solar cells

T. Pauporté, L. Gollino, N. Mercier

Proceedings Volume 12422, Oxide-based Materials and Devices XIV; 124220M (2023) https://doi.org/10.1117/12.2647859
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Perovskite materials, despite displaying remarkable properties, suffer from the use of toxic lead and poor stability towards moisture and thermal stresses. These strongly hinder their future development. Recently, a new family of 3D perovskites, deficient in lead and iodide, the d-HPs, has been discovered. They involve large organic cations that circumvent the Goldschmidt tolerance factor. In the present study, we report that a new cation, the iodoethylammonium I-(CH₂)₂-NH₃⁺ (IEA⁺), allows the synthesis of d-HP thin films based on the 3D MAPbI₃ perovskite. This new compound has been tested for solar cell application. A final power conversion efficiency of 9.54 % was achieved.

Citation Download Citation

T. Pauporté, L. Gollino, and N. Mercier "Iodoethylammonium (IEA⁺)-based lead- and iodide- deficient halide perovskites (d-HPs) for solar cells", Proc. SPIE 12422, Oxide-based Materials and Devices XIV, 124220M (16 March 2023); https://doi.org/10.1117/12.2647859

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