High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors
- 31 December 2014
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Energy & Environmental Science
- Vol. 8 (12), 3550-3556
- 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.Keywords
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