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Issue 6, 2016
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Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency

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Abstract

Today's best perovskite solar cells use a mixture of formamidinium and methylammonium as the monovalent cations. With the addition of inorganic cesium, the resulting triple cation perovskite compositions are thermally more stable, contain less phase impurities and are less sensitive to processing conditions. This enables more reproducible device performances to reach a stabilized power output of 21.1% and ∼18% after 250 hours under operational conditions. These properties are key for the industrialization of perovskite photovoltaics.

Graphical abstract: Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency

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Publication details

The article was received on 24 Dec 2015, accepted on 14 Mar 2016 and first published on 16 Mar 2016


Article type: Communication
DOI: 10.1039/C5EE03874J
Citation: Energy Environ. Sci., 2016,9, 1989-1997
  • Open access: Creative Commons BY-NC license
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    Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency

    M. Saliba, T. Matsui, J. Seo, K. Domanski, J. Correa-Baena, M. K. Nazeeruddin, S. M. Zakeeruddin, W. Tress, A. Abate, A. Hagfeldt and M. Grätzel, Energy Environ. Sci., 2016, 9, 1989
    DOI: 10.1039/C5EE03874J

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