Predicting performance of an organic tandem solar cell: Effect of defect states density

Erray, M.; Amrani, A. El; Hanine, Mounir

doi:10.1109/redec49234.2020.9163882

Cited by 1 publication

(3 citation statements)

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“…Our findings reveal that increasing the thickness of the perovskite layer maintains consistent effects on short-circuit current density and solar cell efficiency, leading to enhancements in both parameters while the fill factor (FF) and open-circuit voltage (V OC ) Table 4. The used parameters for each layer in the bottom-cells simulation [47][48][49][50][51][52] . www.nature.com/scientificreports/ remain practically unchanged.…”

Section: Resultsmentioning

confidence: 99%

“…Consequently, the overall efficiency of the 4-terminal tandem structure reaches approximately 35.43%. Notably, comparative data indicates that the efficiency of two-terminal tandem solar cells with identical structures was approximately 24.4% 47 . In Table 10, we have juxtaposed the performance parameters of www.nature.com/scientificreports/ the silicon bottom-cell in standalone conditions with experimental outcomes from analogous studies.…”

Section: Parametersmentioning

confidence: 99%

“…where, S 0 ( ) is the primary solar spectrum, of AM 1.5, d is the thickness of the active layer and α is the absorption coefficient of the corresponding substance 45 . The top-cell of the organic structure has three main layers of PDINO/P 3 HT:PC 70 BM/PEDOT: PSS 46,47 . The main layer of this cell is the active layer of P 3 HT:PC 70 BM.…”

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confidence: 99%

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Performance and optimization study of selected 4-terminal tandem solar cells

shokrollahi,

Piralaee,

Asgari

2024

Sci Rep

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Tandem solar cells owing to their layered structure in which each sub-cell utilizes a certain part of the solar spectrum with reduced thermal losses, are promising applicants to promote the power conversion efficiency beyond the Shockley–Queisser limit of single-junction solar cells. This study delves into the performance and optimization of 4-terminal organic/silicon tandem solar cells through numerical simulations using SCAPS-1D software. The tandem architecture combining organic, perovskite, and silicon materials, shows potential in enhancing light absorption across the solar spectrum with complementary absorption spectra. Through innovative material exploration, optimization techniques are explored to advance the performance boundaries of organic/silicon tandem solar cells. The study employs the Beer–Lambert law to assess the impact of varied physical parameters on tandem solar cell efficiency, aiming to propose optimal configurations. Results indicate a maximum efficiency of 25.86% with P3HT:PC70BM organic active layer (150 nm thickness) and 36.8% with Cs2AgBi0.75Sb0.25Br6 active layer (400 nm thickness) in the studied 4-terminal tandem structures. These findings offer valuable insights into the complex physics of these tandem solar cells, for developing high-performance and commercially practical photovoltaic devices.

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