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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Korte, Lars
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Electron contact interlayers for low‐temperature‐processed crystalline silicon solar cellscitations
- 2023New optical dispersion models for the accurate description of the electrical permittivity in direct and indirect semiconductorscitations
- 2023Field Effect Passivation in Perovskite Solar Cells by a LiF Interlayer
- 2023Ink Design Enabling Slot‐Die Coated Perovskite Solar Cells with >22% Power Conversion Efficiency, Micro‐Modules, and 1 Year of Outdoor Performance Evaluationcitations
- 2022Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction
- 2022Future of n-type PV
- 2021Interface Molecular engineering for laminated monolithic perovskite/silicon tandem solar cells with 80.4% fill factorcitations
- 2020Silicon interface passivation studied by modulated surface photovoltage spectroscopycitations
- 2018Toward Annealing-Stable Molybdenum-Oxide-Based Hole-Selective Contacts For Silicon Photovoltaicscitations
- 2017It Takes Two to Tango - Double-Layer Selective Contacts in Perovskite Solar Cells for Improved Device Performance and Reduced Hysteresiscitations
- 2017Efficient light management by textured nanoimprinted layers for perovskite solar cellscitations
- 2017It Takes Two to Tango-Double-Layer Selective Contacts in Perovskite Solar Cells for Improved Device Performance and Reduced Hysteresiscitations
- 2017ITO-free metallization for interdigitated back contact silicon heterojunction solar cells
- 2017Roadmap and roadblocks for the band gap tunability of metal halide perovskitescitations
Places of action
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article
Electron contact interlayers for low‐temperature‐processed crystalline silicon solar cells
Abstract
<jats:title>Abstract</jats:title><jats:p>This study focuses on electron‐selective passivating contacts for crystalline silicon (c‐Si) solar cells where an interlayer is used to provide a low contact resistivity between the c‐Si substrate and the metal electrode. These electron contact interlayers are used in combination with other passivating interlayers (e.g., a‐Si:H, TiO<jats:sub>x</jats:sub>, and Nb<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub>) to improve surface passivation whilst still permitting contact resistivities suitable for high‐efficiency solar cells. We show that a wide variety of thermally evaporated materials, most of which have ionic character, enable an Ohmic contact between n‐type c‐Si and Al. From this pool of compounds, we observed that CsBr has especially promising behavior because of its excellent performance and thermal stability when combined with thin passivating layers. With different test structures, we were able to demonstrate low contact resistance using TiO<jats:sub>x</jats:sub>/CsBr, Nb<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub>/CsBr, and a‐Si:H/CsBr stacks on n‐type c‐Si. The quality of the provided surface passivation depended on the stack but we achieved the best overall passivation stability with TiO<jats:sub>x</jats:sub>/CsBr. Finally, we were able to demonstrate an efficiency >20% on a laboratory‐scale solar cell that implements the TiO<jats:sub>x</jats:sub>/CsBr/Al stack as full‐area rear‐side electron selective contact.</jats:p>