Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells

Tockhorn, Philipp; Sutter, Johannes; Cruz, Alexandros; Wagner, Philipp; Jäger, Klaus; Yoo, Danbi; Lang, Felix; Grischek, Max; Li, Bor; Li, Jinzhao; Shargaieva, Oleksandra; Unger, Eva; Al‐Ashouri, Amran; Köhnen, Eike; Stolterfoht, Martin; Neher, Dieter; Schlatmann, Rutger; Rech, B.; Stannowski, Bernd; Albrecht, Steve; Becker, Christiane

doi:10.1038/s41565-022-01228-8

articleNature NanotechnologyOct 24, 2022HYBRID OA

Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells

PTPhilipp Tockhorn JSJohannes Sutter ACAlexandros Cruz PWPhilipp Wagner KJKlaus Jäger

Helmholtz-Zentrum Berlin für Materialien und Energie · Zuse Institute Berlin · +5 more institutions

PubMed

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Abstract

Perovskite-silicon tandem solar cells offer the possibility of overcoming the power conversion efficiency limit of conventional silicon solar cells. Various textured tandem devices have been presented aiming at improved optical performance, but optimizing film growth on surface-textured wafers remains challenging. Here we present perovskite-silicon tandem solar cells with periodic nanotextures that offer various advantages without compromising the material quality of solution-processed perovskite layers. We show a reduction in reflection losses in comparison to planar tandems, with the new devices being less sensitive to deviations from optimum layer thicknesses. The nanotextures also enable a greatly…

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Topics & keywords

Topics

Keywords

Tandem
Materials science
Perovskite (structure)
Optoelectronics
Silicon
Energy conversion efficiency
Wafer
Fabrication

UN Sustainable Development Goals

Affordable and clean energy

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