Perovskite-perovskite tandem photovoltaics with optimized band gaps

E. Eperon, Giles; Leijtens, Tomas; A. Bush, Kevin; Prasanna, Rohit; Green, Thomas; Tse‐Wei Wang, Jacob; P. McMeekin, David; Volonakis, George; L. Milot, Rebecca; May, Richard; F. Palmstrom, Axel; J. Slotcavage, Daniel; A. Belisle, Rebecca; B. Patel, Jay; S. Parrott, Elizabeth; J. Sutton, Rebecca; Ma, Wen; Moghadam, Farhad; Conings, Bert; Babayigit, Aslihan; Boyen, H.‐G.; F. Bent, Stacey; Giustino, Feliciano; M. Herz, Laura; B. Johnston, Michael; D. McGehee, Michael; J. Snaith, Henry

doi:10.1126/science.aaf9717

Public

Perovskite-perovskite tandem photovoltaics with optimized band gaps

Published in Science • Oct 21, 2016

Authors:

Giles E. Eperon

Tomas Leijtens

Kevin A. Bush

Abstract

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 atmosp...

Subject

Tandem

Perovskite (structure)

Photovoltaics

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