Issue 6, 2016

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

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

Supplementary files

Article information

Article type
Communication
Submitted
24 Dec 2015
Accepted
14 Mar 2016
First published
16 Mar 2016
This article is Open Access
Creative Commons BY-NC license

Energy Environ. Sci., 2016,9, 1989-1997

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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