Issue 12, 2015
From the journal:

Energy & Environmental Science

High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors†

C. Roldán-Carmona,‡a   P. Gratia,‡a   I. Zimmermann,‡a   G. Grancini,a   P. Gao, ORCID logo a   M. Graetzelb  and  Mohammad Khaja Nazeeruddin*a  

* 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.

Graphical abstract: High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors

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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

Energy Environ. Sci., 2015,8, 3550-3556

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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, 3550 DOI: 10.1039/C5EE02555A

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