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

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

C. Roldan-Carmona, P. Gratia, I. Zimmermann, G. Grancini, P. Gao, Michael Graetzel and Mohammad Khaja Nazeeruddin
Energy & Environmental Science, Vol.8(12), pp.3550-3556
Cambridge, Royal Soc Chemistry
01/01/2015
DOI: https://doi.org/10.1039/c5ee02555a

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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