High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors (original) (raw)
* Corresponding authors
a Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1951 Sion, Switzerland
E-mail: mdkhaja.nazeeruddin@epfl.ch
b Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1051 Sion, Switzerland
Abstract
Methylammonium lead iodide perovskite solar cells with improved performance and stability have been successfully prepared by using a non-stoichiometric PbI2 : CH3NH3I ratio in the precursor solution, and yield a power conversion efficiency (PCE) of above 19% under 1 sun for the champion cell.
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Article information
DOI
https://doi.org/10.1039/C5EE02555A
Article type
Communication
Submitted
18 Aug 2015
Accepted
15 Oct 2015
First published
15 Oct 2015
Download Citation
Energy Environ. Sci., 2015,8, 3550-3556
Author version available
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High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors
C. Roldán-Carmona, P. Gratia, I. Zimmermann, G. Grancini, P. Gao, M. Graetzel and M. K. Nazeeruddin,Energy Environ. Sci., 2015, 8, 3550DOI: 10.1039/C5EE02555A
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