Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

Abstract

Efficiency from hole-selective contacts Perovskite/silicon tandem solar cells must stabilize a perovskite material with a wide bandgap and also maintain efficient charge carrier transport. Al-Ashouri et al. stabilized a perovskite with a 1.68–electron volt bandgap with a self-assembled monolayer that acted as an efficient hole-selective contact that minimizes nonradiative carrier recombination. In air without encapsulation, a tandem silicon cell retained 95% of its initial power conversion efficiency of 29% after 300 hours of operation. Science , this issue p. 1300

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Affiliated Institutions

• University of Potsdam DE
• HTW Berlin - University of Applied Sciences DE
• Kaunas University of Technology LT
• Berliner Hochschule für Technik DE
• Physikalisch-Technische Bundesanstalt DE
• University of Ljubljana SI
• University of Sheffield GB
• Helmholtz-Zentrum Berlin für Materialien und Energie DE
• Technische Universität Berlin DE

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