Interfacial Modification for High-Efficiency Vapor-Phase-Deposited Perovskite Solar Cells Based on a Metal Oxide Buffer Layer

Vacuum deposition is one of the most technologically relevant techniques for the fabrication of perovskite solar cells. The most efficient vacuum-based devices rely on doped organic contacts, compromising the long-term stability of the system. Here, we introduce an inorganic electron-transporting ma...

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Bibliographic Details
Published in:The journal of physical chemistry letters 2018-03, Vol.9 (5), p.1041-1046
Main Authors: Pérez-del-Rey, Daniel, Boix, Pablo P, Sessolo, Michele, Hadipour, Afshin, Bolink, Henk J
Format: Article
Language:English
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Summary:Vacuum deposition is one of the most technologically relevant techniques for the fabrication of perovskite solar cells. The most efficient vacuum-based devices rely on doped organic contacts, compromising the long-term stability of the system. Here, we introduce an inorganic electron-transporting material to obtain power conversion efficiencies matching the best performing vacuum-deposited devices, with open-circuit potential close to the thermodynamic limit. We analyze the leakage current reduction and the interfacial recombination improvement upon use of a thin (
ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.7b03361