Journal Article

FZJ-2022-04510

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Strain Modulation for Light‐Stable n–i–p Perovskite/Silicon Tandem Solar Cells

Wang, L. ; Song, Q. ; Pei, F. ; Chen, Y. (Corresponding author) ; Dou, J. ; Wang, H. ; Shi, C. ; Zhang, X. ; Fan, R. ; Zhou, W. ; Qiu, Z. ; Kang, J. ; Wang, X. ; Lambertz, A.FZJ* ; Sun, M. ; Niu, X. ; Ma, Y. ; Zhu, C. ; Zhou, H. ; Hong, J. ; Bai, Y. ; Duan, W. (Corresponding author)FZJ* ; Ding, K.FZJ* ; Chen, Q. (Corresponding author)

2022
Wiley-VCH Weinheim

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Please use a persistent id in citations: http://hdl.handle.net/2128/32702  doi:10.1002/adma.202201315

Abstract: Perovskite/silicon tandem solar cells are promising to penetrate photovoltaicmarket. However, the wide-bandgap perovskite absorbers used in top-celloften suffer severe phase segregation under illumination, which restricts theoperation lifetime of tandem solar cells. Here, a strain modulation strategyto fabricate light-stable perovskite/silicon tandem solar cells is reported. Byemploying adenosine triphosphate, the residual tensile strain in the wide-bandgapperovskite absorber is successfully converted to compressive strain,which mitigates light-induced ion migration and phase segregation. Basedon the wide-bandgap perovskite with compressive strain, single-junctionsolar cells with the n–i–p layout yield a power conversion efficiency (PCE) of20.53% with the smallest voltage deficits of 440 mV. These cells also maintain83.60% of initial PCE after 2500 h operation at the maximum power point.Finally, these top cells are integrated with silicon bottom cells in a monolithictandem device, which achieves a PCE of 26.95% and improved light stabilityat open-circuit.

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Contributing Institute(s):

1. Photovoltaik (IEK-5)

Research Program(s):

1. 1213 - Cell Design and Development (POF4-121) (POF4-121)
2. Verbundvorhaben: Street - Einsatz von hocheffizienten Solarzellen in elektrisch betriebenen Nutzfahrzeugen; Teilvorhaben: Herstellung und Entwicklung von (0324275E) (0324275E)
3. Touch - Technologie- und Charakterisierungsplattform für die Entwicklung von hoch-effizienten Silizium-Heterostruktursolarzellen (0324351) (0324351)

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Wiley ; Essential Science Indicators ; IF >= 30 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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