Assessing health and environmental impacts of solvents for producing perovskite solar cells

Rosario Vidal (), Jaume-Adrià Alberola-Borràs, Severin N. Habisreutinger, Joaquín-Luis Gimeno-Molina, David T. Moore, Tracy H. Schloemer, Iván Mora-Seró, Joseph J. Berry and Joseph M. Luther ()
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Rosario Vidal: Universitat Jaume I
Jaume-Adrià Alberola-Borràs: Universitat Jaume I
Severin N. Habisreutinger: National Renewable Energy Laboratory
Joaquín-Luis Gimeno-Molina: Universitat Jaume I
David T. Moore: National Renewable Energy Laboratory
Tracy H. Schloemer: National Renewable Energy Laboratory
Iván Mora-Seró: Universitat Jaume I
Joseph J. Berry: National Renewable Energy Laboratory
Joseph M. Luther: National Renewable Energy Laboratory

Nature Sustainability, 2021, vol. 4, issue 3, 277-285

Abstract: Abstract Halide perovskites are poised as a game-changing semiconductor system with diverse applications in optoelectronics. Industrial entities aim to commercialize perovskite technologies because of high performance but also because this type of semiconductor can be processed from solution, a feature enabling low cost and fast production. Here, we analyse the health and environmental impacts of eight solvents commonly used in perovskite processing. We consider first- and higher-order ramifications of each solvent on an industrial scale such as solvent production, use/removal, emissions and potential end-of-life treatments. Further, we consider the energy of evaporation for each solvent, air emission, condensation and subsequent incineration, reuse or distillation for solvent recycling, and apply a full end-of-life analysis. For human health impact, we use the ‘USEtox’ method but also consider toxicity data beyond carcinogenic classifications. We find that dimethyl sulfoxide has the lowest total impact, by being the most environmentally friendly and least deleterious to human health of the solvents considered. The analysis of the effects of these solvents on human health and the environment provides guidance for sustainable development of this new technology.

Date: 2021
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DOI: 10.1038/s41893-020-00645-8

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