Recent progress in monolithic two-terminal perovskite-based triple-junction solar cells

Heydarian, Minasadat; Heydarian, Maryamsadat; Schygulla, Patrick; Reichmuth, S. Kasimir; Bett, Alexander J.; Hohl-Ebinger, Jochen; Schindler, Florian; Hermle, Martin; Schubert, Martin C.; Schulze, Patricia S. C.; Borchert, Juliane; Glunz, Stefan W.

doi:10.1039/d3ee02822d

Energy Environ. Sci.

2024

DOI: 10.1039/d3ee02822d

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Recent progress in monolithic two-terminal perovskite-based triple-junction solar cells

Minasadat Heydarian,

Maryamsadat Heydarian,

Patrick Schygulla

et al.

Abstract: Multi-junction solar cells are the most famous approach to overcome the power conversion efficiency (PCE) limit of single-junction solar cells. Metal halide perovskite absorber materials offer low-cost fabrication and tunable...

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Cited by 5 publications

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Molecular Synergistic Effect for High Efficiency Monolithic Perovskite/Perovskite/Silicon Triple‐Junction Tandem Solar Cells

Ye,

Qiao,

Wang

et al. 2024

Advanced Energy Materials

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Perovskite/perovskite/silicon triple‐junction tandem solar cells (TSCs) hold promise for high power conversion efficiencies (PCE). However, the efficiency is still relatively low due to the non‐radiative recombination losses in wide‐bandgap top cells. These losses, attributed to the interface defect states and energy level mismatches, present considerable challenges to realizing high‐performance and stable TSCs. Here, the molecular synergistic effect (MSE) is exploited to passivate interface in 1.95 eV top cells. Piperazine‐1‐carboxamide hydrochloride (PCACl) is combined, which possesses strong dipole moments and passivating functional groups that can bind with two neighboring uncoordinated lead ions and form hydrogen bonds with halide atoms at perovskite surface, with 1,3‐propane‐diammonium iodide, which can reduce interface recombination through field‐effect passivation. The MSE enabled by PCACl and PDAI2 facilitates excellent energy level alignment and reduces non‐radiative recombination losses and light‐induced phase segregation. Finally, the target perovskite/perovskite/silicon triple‐junction TSC obtains an open‐circuit voltage of 3.07 V and a champion PCE of 25.2% (for a 1.035 cm2 aperture area).

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Molecular Synergistic Effect for High Efficiency Monolithic Perovskite/Perovskite/Silicon Triple‐Junction Tandem Solar Cells

Ye,

Qiao,

Wang

et al. 2024

Advanced Energy Materials

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Impact of Perovskite Subcell Breakdown on the Performance of Perovskite/Perovskite/Silicon Triple‐Junction Solar Cells

Heydarian,

Bett,

Messmer

et al. 2024

Solar RRL

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Perovskite‐based triple‐junction solar cells have recently gained significant attention and are rapidly developing, thanks to the insights gained from the advancement in its dual‐junction counterparts. However, employing perovskite materials in multijunction solar cells with more than two junctions brings new challenges that have not yet been addressed. One aspect is the possibility of reverse bias breakdown of perovskite subcells during operation of the triple–junction device. This is more relevant for triple‐junction solar cells because a higher reverse voltage might drop at perovskite subcells compared to the case of dual‐junction solar cells. Herein, the breakdown voltages of the two perovskite subcells in perovskite/perovskite/silicon triple‐junction solar cells are determined by progressively increasing the reverse bias applied to the subcells in a single‐junction architecture during current–voltage measurements and monitoring the appearance of shunts using illuminated lock‐in thermography measurements. Furthermore, to analyze the effect on the final triple–junction solar cell, the triple‐junction device is brought in different current limitation conditions. It is shown that the subcell breakdown can happen during the operation of the triple‐junction solar cell, especially for the case where the perovskite top cell is limiting the overall current of the device. This effect is less severe when the middle perovskite cell limits the current due to the absence of a direct contact with the silver metallization which has shown to be the major degradation site during reverse biasing of perovskite solar cells. Finally, there is no concern regarding breakdown of the silicon bottom cell due to the higher breakdown voltage of silicon compared to perovskite.

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Design and simulation of 2D Ruddlesden–Popper perovskite solar cells under LED illumination: Role of ETL and front contact band alignment

Alanazi,

Shaker,

Zein

2024

Solar Energy Materials and Solar Cells

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Recent progress in monolithic two-terminal perovskite-based triple-junction solar cells

Abstract: Multi-junction solar cells are the most famous approach to overcome the power conversion efficiency (PCE) limit of single-junction solar cells. Metal halide perovskite absorber materials offer low-cost fabrication and tunable...

Cited by 5 publications

References 190 publications

Molecular Synergistic Effect for High Efficiency Monolithic Perovskite/Perovskite/Silicon Triple‐Junction Tandem Solar Cells

Molecular Synergistic Effect for High Efficiency Monolithic Perovskite/Perovskite/Silicon Triple‐Junction Tandem Solar Cells

Impact of Perovskite Subcell Breakdown on the Performance of Perovskite/Perovskite/Silicon Triple‐Junction Solar Cells

Design and simulation of 2D Ruddlesden–Popper perovskite solar cells under LED illumination: Role of ETL and front contact band alignment

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