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Lights and Shadows of DMSO as Solvent for Tin Halide Perovskites
Author(s) -
Pascual Jorge,
Di Girolamo Diego,
Flatken Marion A.,
Aldamasy Mahmoud H.,
Li Guixiang,
Li Meng,
Abate Antonio
Publication year - 2022
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202103919
Subject(s) - tin , halide , perovskite (structure) , solvent , crystallization , materials science , nucleation , dimethyl sulfoxide , nanotechnology , chemical engineering , inorganic chemistry , chemistry , organic chemistry , metallurgy , engineering
In 2020 dimethyl sulfoxide (DMSO), the ever‐present solvent for tin halide perovskites, was identified as an oxidant for Sn II . Nonetheless, alternatives are lacking and few efforts have been devoted to replacing it. To understand this trend it is indispensable to learn the importance of DMSO on the development of tin halide perovskites. Its unique properties have allowed processing compact thin‐films to be integrated into tin perovskite solar cells. Creative approaches for controlling the perovskite crystallization or increasing its stability to oxidation have been developed relying on DMSO‐based inks. However, increasingly sophisticated strategies appear to lead the field to a plateau of power conversion efficiency in the range of 10–15 %. And, while DMSO‐based formulations have performed in encouraging means so far, we should also start considering their potential limitations. In this concept article, we discuss the benefits and limitations of DMSO‐based tin perovskite processing.

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