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Al-Ashouri A, Köhnen E, Li B, et al. Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction. Science. 2020;370(6522):1300-1309doi: 10.1126/science.abd4016.
Al-Ashouri, A., Köhnen, E., Li, B., Magomedov, A., Hempel, H., Caprioglio, P., Márquez, J. A., Morales Vilches, A. B., Kasparavicius, E., Smith, J. A., Phung, N., Menzel, D., Grischek, M., Kegelmann, L., Skroblin, D., Gollwitzer, C., Malinauskas, T., Jošt, M., Matič, G., Rech, B., Schlatmann, R., Topič, M., Korte, L., Abate, A., Stannowski, B., Neher, D., Stolterfoht, M., Unold, T., Getautis, V., & Albrecht, S. (2020). Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction. Science (New York, N.Y.), 370(6522), 1300-1309. https://doi.org/10.1126/science.abd4016
Al-Ashouri, Amran, et al. "Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction." Science (New York, N.Y.) vol. 370,6522 (2020): 1300-1309. doi: https://doi.org/10.1126/science.abd4016
Al-Ashouri A, Köhnen E, Li B, Magomedov A, Hempel H, Caprioglio P, Márquez JA, Morales Vilches AB, Kasparavicius E, Smith JA, Phung N, Menzel D, Grischek M, Kegelmann L, Skroblin D, Gollwitzer C, Malinauskas T, Jošt M, Matič G, Rech B, Schlatmann R, Topič M, Korte L, Abate A, Stannowski B, Neher D, Stolterfoht M, Unold T, Getautis V, Albrecht S. Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction. Science. 2020 Dec 11;370(6522):1300-1309. doi: 10.1126/science.abd4016. PMID: 33303611.
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Science. 2020 Dec 11;370(6522):1300-1309. doi: 10.1126/science.abd4016.

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

Science (New York, N.Y.)

Amran Al-Ashouri, Eike Köhnen, Bor Li, Artiom Magomedov, Hannes Hempel, Pietro Caprioglio, José A Márquez, Anna Belen Morales Vilches, Ernestas Kasparavicius, Joel A Smith, Nga Phung, Dorothee Menzel, Max Grischek, Lukas Kegelmann, Dieter Skroblin, Christian Gollwitzer, Tadas Malinauskas, Marko Jošt, Gašper Matič, Bernd Rech, Rutger Schlatmann, Marko Topič, Lars Korte, Antonio Abate, Bernd Stannowski, Dieter Neher, Martin Stolterfoht, Thomas Unold, Vytautas Getautis, Steve Albrecht

Affiliations

  1. Young Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, Germany.
  2. Department of Organic Chemistry, Kaunas University of Technology, Kaunas LT-50254, Lithuania.
  3. Department of Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany.
  4. Institute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, Germany.
  5. PVcomB, Helmholtz-Zentrum Berlin, 12489 Berlin, Germany.
  6. Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, Germany.
  7. Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UK.
  8. Physikalisch-Technische Bundesanstalt, 10587 Berlin, Germany.
  9. Faculty of Electrical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia.
  10. Scientific Management, Helmholtz-Zentrum Berlin, 12489 Berlin, Germany.
  11. Faculty of Electrical Engineering and Computer Science, Technical University Berlin, 10587 Berlin, Germany.
  12. HTW Berlin-University of Applied Sciences, 12459 Berlin, Germany.
  13. Beuth University of Applied Sciences Berlin, 13353 Berlin, Germany.
  14. Young Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, Germany. [email protected].

PMID: 33303611 DOI: 10.1126/science.abd4016

Abstract

Tandem solar cells that pair silicon with a metal halide perovskite are a promising option for surpassing the single-cell efficiency limit. We report a monolithic perovskite/silicon tandem with a certified power conversion efficiency of 29.15%. The perovskite absorber, with a bandgap of 1.68 electron volts, remained phase-stable under illumination through a combination of fast hole extraction and minimized nonradiative recombination at the hole-selective interface. These features were made possible by a self-assembled, methyl-substituted carbazole monolayer as the hole-selective layer in the perovskite cell. The accelerated hole extraction was linked to a low ideality factor of 1.26 and single-junction fill factors of up to 84%, while enabling a tandem open-circuit voltage of as high as 1.92 volts. In air, without encapsulation, a tandem retained 95% of its initial efficiency after 300 hours of operation.

Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.

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