Control over the Gallium Depth Profile in 30×30 cm<sup>2</sup>Sequentially Processed CIGS

Vleuten, M. van der; Theelen, Mirjam; Aninat, Rémi; Werf, Karine van der; Mannetje, Hero't; Reyes-Figueroa, Pablo; Kodalle, Tim; Šimor, Marcel; Linden, Hans

doi:10.1109/pvsc45281.2020.9300963

Cited by 3 publications

(1 citation statement)

References 21 publications

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“…In this method of making these types of chalcogenide absorber layers, essentially a metal precursor of copper-gallium and indium is selenized (and/or sulfurized) with a solid or gaseous source. Next to valuable insights from the work of Intermolecular [6], some clarity on processing of pure selenide and pure sulfide variations of these chalcogenides has been recently offered by Solliane and imec, respectively [7,8]. On the other hand, as Kato et al suggested [9], every tool and fabrication design might need its own process optimization for best results.…”

Section: Introductionmentioning

confidence: 99%

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

et al. 2021

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Section: Introductionmentioning

confidence: 99%

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

et al. 2021

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Toward Mass Production of Transition Metal Dichalcogenide Solar Cells: Scalable Growth of Photovoltaic-Grade Multilayer WSe₂ by Tungsten Selenization

Neilson,

Hamtaei,

Nassiri Nazif

et al. 2024

ACS Nano

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Semiconducting transition metal dichalcogenides (TMDs) are promising for high-specific-power photovoltaics due to their desirable band gaps, high absorption coefficients, and ideally dangling-bond-free surfaces. Despite their potential, the majority of TMD solar cells to date are fabricated in a nonscalable fashion, with exfoliated materials, due to the lack of high-quality, large-area, multilayer TMDs. Here, we present the scalable, thickness-tunable synthesis of multilayer WSe 2 films by selenizing prepatterned tungsten with either solid-source selenium at 900 °C or H 2 Se precursors at 650 °C. Both methods yield photovoltaicgrade, wafer-scale WSe 2 films with a layered van der Waals structure and superior characteristics, including charge carrier lifetimes up to 144 ns, over 14× higher than those of any other large-area TMD films previously demonstrated. Simulations show that such carrier lifetimes correspond to ∼22% power conversion efficiency and ∼64 W g −1 specific power in a packaged solar cell, or ∼3 W g −1 in a fully packaged solar module. The results of this study could facilitate the mass production of high-efficiency multilayer WSe 2 solar cells at low cost.

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Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se₂ growth

Wild

Brammertz

Buldu

et al. 2021

2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)

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Control over the Gallium Depth Profile in 30×30 cm²Sequentially Processed CIGS

Cited by 3 publications

References 21 publications

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

Toward Mass Production of Transition Metal Dichalcogenide Solar Cells: Scalable Growth of Photovoltaic-Grade Multilayer WSe₂ by Tungsten Selenization

Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se₂ growth

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Control over the Gallium Depth Profile in 30×30 cm2Sequentially Processed CIGS

Cited by 3 publications

References 21 publications

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

Investigating the experimental space for two-step Cu(In,Ga)(S,Se)2 absorber layer fabrication: A design of experiment approach

Toward Mass Production of Transition Metal Dichalcogenide Solar Cells: Scalable Growth of Photovoltaic-Grade Multilayer WSe2 by Tungsten Selenization

Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se2 growth

Contact Info

Product

Resources

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Control over the Gallium Depth Profile in 30×30 cm²Sequentially Processed CIGS

Toward Mass Production of Transition Metal Dichalcogenide Solar Cells: Scalable Growth of Photovoltaic-Grade Multilayer WSe₂ by Tungsten Selenization

Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se₂ growth