Pb in halide perovskites for photovoltaics: reasons for optimism

Iris Visoly-Fisher

doi:10.1117/12.2637340

3 October 2022 Pb in halide perovskites for photovoltaics: reasons for optimism

Iris Visoly-Fisher

Proceedings Volume PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII; PC122090T (2022) https://doi.org/10.1117/12.2637340
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

A significant concern of perovskite solar cells (PSCs) technology is accidental Pb leaching from damaged devices, due to the well-documented Pb toxicity. We have examined the penetration profile of Pb from aqueous solutions of dissolved perovskite into the soil as a function of perovskite composition, as halide perovskites typically contain organic cations, which may affect the adsorption of Pb cations to soil particles by competition. The penetration profiles showed shallow immobilization of the Pb cations in all soils studied, with negligible odds of reaching and contaminating ground water. The adsorption mechanism was also determined. This suggests that Pb in PSCs and its effect on the environment are not as concerning, as they seem to be.

Conference Presentation

Citation Download Citation

Iris Visoly-Fisher "Pb in halide perovskites for photovoltaics: reasons for optimism", Proc. SPIE PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII, PC122090T (3 October 2022); https://doi.org/10.1117/12.2637340

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