Solvent Annealing of Perovskite‐Induced Crystal Growth for Photovoltaic‐Device Efficiency Enhancement
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- 26 August 2014
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 26 (37), 6503-6509
- https://doi.org/10.1002/adma.201401685
Abstract
Solvent‐annealing is found to be an effective method to increase the grain size and carrier diffusion lengths of trihalide perovskite materials. The carrier diffusion length of MAPbI3 is increased to over 1 μm. The efficiency remains above 14.5% when the MAPbI3 thickness changes from 250 nm to 1 μm, with the highest efficiency reaching 15.6%.Keywords
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