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Title: Assessing the toxicity of Pb- and Sn-based perovskite solar cells in model organism Danio rerio
Authors: BABAYIGIT, Aslihan 
Duy Thanh, Din
MANCA, Jean 
Muller, Marc
BOYEN, Hans-Gerd 
Issue Date: 2016
Source: Scientific reports, 6
Abstract: Intensive development of organometal halide perovskite solar cells has lead to a dramatic surge in power conversion efficiency up to 20%. Unfortunately, the most efficient perovskite solar cells all contain lead (Pb), which is an unsettling flaw that leads to severe environmental concerns and is therefore a stumbling block envisioning their large-scale application. Aiming for the retention of favorable electro-optical properties, tin (Sn) has been considered the most likely substitute. Preliminary studies have however shown that Sn-based perovskites are highly unstable and, moreover, Sn is also enlisted as a harmful chemical, with similar concerns regarding environment and health. To bring more clarity into the appropriateness of both metals in perovskite solar cells, we provide a case study with systematic comparison regarding the environmental impact of Pb- and Sn-based perovskites, using zebrafish (Danio Rerio) as model organism. Uncovering an unexpected route of intoxication in the form of acidification, it is shown that Sn based perovskite may not be the ideal Pb surrogate.
Notes: Conings, B (reprint author), Hasselt Univ, Inst Mat Res, Wetenschapspk 1, B-3590 Diepenbeek, Belgium.
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ISSN: 2045-2322
e-ISSN: 2045-2322
DOI: 10.1038/srep18721
ISI #: 000368097700001
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Category: A1
Type: Journal Contribution
Validations: ecoom 2017
Appears in Collections:Research publications

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