Charge carrier management for highly efficient perovskite/Si tandem solar cells with poly-Si based passivating contacts
Xuzheng Liu, Michael Rienäcker, Mohammad Gholipoor, Lingyi Fang, Tonghan Zhao, Benjamin Hacene, Julian Petermann, Ruijun Cai, Hang Hu, Thomas Feeney, Faranak Sadegh, Paul Faßl, Renjun Guo, Uli Lemmer, Robby Peibst, Ulrich W. Paetzold
Abstract
A thermal annealing treatment applied to the silicon bottom cell as well as a morphology regulation strategy of buried interface are employed to improve charge carrier management in perovskite/POLO-Si tandem solar cells, achieving a PCE of 31%.
Topics & Concepts
TandemPerovskite (structure)Materials scienceOptoelectronicsCharge carrierSiliconPassivationCharge (physics)Engineering physicsNanotechnologyChemistryLayer (electronics)CrystallographyComposite materialEngineeringPhysicsQuantum mechanicsPerovskite Materials and ApplicationsSilicon and Solar Cell TechnologiesSemiconductor materials and interfaces