Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 6, Issue 9, Pages 1543-1547Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.5b00504
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- Leona M. and Harry B. Helmsley Charitable Trust
- Israel National Nano-Initiative
- Israel Ministry of Science
- Nancy and Stephen Grand Center for Sensors and Security
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The great promise of hybrid organic inorganic lead halide perovskite (HOIP)-based solar cells is being challenged by its Pb content and its sensitivity to water. Here, the impact of rain on methylammonium lead iodide perovskite films was investigated by exposing such films to water of varying pH values, simulating exposure of the films to rain. The amount of Pb loss was determined using both gravimetric and inductively coupled plasma mass spectrometry measurements. Using our results, the extent of Pb loss to the environment, in the case of catastrophic module failure, was evaluated. Although very dependent on module siting, even total destruction of a large solar electrical power generating plant, based on HOIPs, while obviously highly undesirable, is estimated to be far from catastrophic for the environment.
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