Perovskite-perovskite tandem photovoltaics with optimized band gaps
Giles E. EperonDepartment of Chemistry, University of Washington, Seattle, WA, USATomas LeijtensDepartment of Materials Science, Stanford University, Lomita Mall, Stanford, CA, USAKevin A. BushDepartment of Materials Science, Stanford University, Lomita Mall, Stanford, CA, USARohit PrasannaDepartment of Materials Science, Stanford University, Lomita Mall, Stanford, CA, USAThomas GreenDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKJacob Tse‐Wei WangDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKDavid P. McMeekinDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKGeorge VolonakisDepartment of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UKRebecca L. MilotDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKRichard MayDepartment of Chemistry, University of Washington, Seattle, WA, USAAxel F. PalmstromDepartment of Chemical Engineering, Stanford University, Via Ortega, Stanford, CA, USADaniel J. SlotcavageDepartment of Materials Science, Stanford University, Lomita Mall, Stanford, CA, USARebecca A. BelisleDepartment of Materials Science, Stanford University, Lomita Mall, Stanford, CA, USAJay B. PatelDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKElizabeth S. ParrottDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKRebecca J. SuttonDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKWen MaFarhad MoghadamBert ConingsDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKAslihan BabayigitDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKH.‐G. BoyenInstitute for Materials Research, Hasselt University, Diepenbeek, BelgiumStacey F. BentDepartment of Chemical Engineering, Stanford University, Via Ortega, Stanford, CA, USAFeliciano GiustinoDepartment of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UKLaura M. HerzDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKMichael B. JohnstonDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UKMichael D. McGeheeDepartment of Chemistry, University of Washington, Seattle, WA, USAHenry J. SnaithDepartment of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK
2016en
ABI
Аннотация
material, we achieve monolithic two-terminal tandem efficiencies of 17.0% with >1.65-volt open-circuit voltage. We also make mechanically stacked four-terminal tandem cells and obtain 20.3% efficiency. Notably, we find that our infrared-absorbing perovskite cells exhibit excellent thermal and atmospheric stability, not previously achieved for Sn-based perovskites. This device architecture and materials set will enable "all-perovskite" thin-film solar cells to reach the highest efficiencies in the long term at the lowest costs.
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