Die Physik der Degradation in Organischen, Nanokristall- und Hybrid-Solarzellen
Herstellung und Eigenschaften von Funktionsmaterialien
Zusammenfassung der Projektergebnisse
The project has contributed to several important scientific developments. In the case of organic solar cells, not only was a new degradation mechanism identified, but also a new strategy based on energy transfer for the mitigation of photodegradation was demonstrated. In quantum dot solar cells, the hole extraction layer commonly used in literature was shown to be the major source of instabilities, and a replacement was developed, leading to improved lifetimes. Finally, in perovskite solar cells a previously proposed degradation mechanism was found to be largely irrelevant, while the impact of vacuum on the stability of 2D perovskites was identified despite them being previously considered to be stable in all conditions. These results led to a large number of publications in peer-reviewed journals such as Advanced Functional Materials, ACS Applied Materials & Interfaces, Nanoscale and an invited review in Advanced Energy Materials. The importance of these publications has already been recognised by their attracting 215 citations since publication and additionally by recognition by the journal editors. Dr. David Becker-Koch has been awarded several awards for his work.
Projektbezogene Publikationen (Auswahl)
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Effect of Ion Migration-Induced Electrode Degradation on the Operational Stability of Perovskite Solar Cells. ACS Omega, 3(8), 10042-10047.
Rivkin, Boris; Fassl, Paul; Sun, Qing; Taylor, Alexander D.; Chen, Zhuoying & Vaynzof, Yana
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Effect of Precursor Stoichiometry on the Performance and Stability of MAPbBr3 Photovoltaic Devices. Energy Technology, 8(4).
Falk, Lukas M.; Goetz, Katelyn P.; Lami, Vincent; An, Qingzhi; Fassl, Paul; Herkel, Jonas; Thome, Fabian; Taylor, Alexander D.; Paulus, Fabian & Vaynzof, Yana
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Energy Transfer to a Stable Donor Suppresses Degradation in Organic Solar Cells. Advanced Functional Materials, 30(5).
Weu, Andreas; Kumar, Rhea; Butscher, Julian F.; Lami, Vincent; Paulus, Fabian; Bakulin, Artem A. & Yaynzof, Yana
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Oxygen-Induced Doping as a Degradation Mechanism in Highly Efficient Organic Solar Cells. ACS Applied Energy Materials, 2(3), 1943-1950.
Weu, Andreas; Kress, Joshua A.; Paulus, Fabian; Becker-Koch, David; Lami, Vincent; Bakulin, Artem A. & Vaynzof, Yana
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Ligand dependent oxidation dictates the performance evolution of high efficiency PbS quantum dot solar cells. Sustainable Energy & Fuels, 4(1), 108-115.
Becker-Koch, David; Albaladejo-Siguan, Miguel; Lami, Vincent; Paulus, Fabian; Xiang, Hengyang; Chen, Zhuoying & Vaynzof, Yana
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Vacuum-Induced Degradation of 2D Perovskites. Frontiers in Chemistry, 8.
Hofstetter, Yvonne J.; García-Benito, Inés; Paulus, Fabian; Orlandi, Simonetta; Grancini, Giulia & Vaynzof, Yana
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Doped Organic Hole Extraction Layers in Efficient PbS and AgBiS2 Quantum Dot Solar Cells. ACS Applied Materials & Interfaces, 13(16), 18750-18757.
Becker-Koch, David; Albaladejo-Siguan, Miguel; Hofstetter, Yvonne J.; Solomeshch, Olga; Pohl, Darius; Rellinghaus, Bernd; Tessler, Nir & Vaynzof, Yana
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Stability of Quantum Dot Solar Cells: A Matter of (Life)Time. Advanced Energy Materials, 11(12).
Albaladejo‐Siguan, Miguel; Baird, Elizabeth C.; Becker‐Koch, David; Li, Yanxiu; Rogach, Andrey L. & Vaynzof, Yana
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Oxygen-induced degradation in AgBiS2 nanocrystal solar cells. Nanoscale, 14(8), 3020-3030.
Becker-Koch, David; Albaladejo-Siguan, Miguel; Kress, Joshua; Kumar, Rhea; Hofstetter, Yvonne J.; An, Qingzhi; Bakulin, Artem A.; Paulus, Fabian & Vaynzof, Yana
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Preserving the stoichiometry of triple-cation perovskites by carrier-gas-free antisolvent spraying. Journal of Materials Chemistry A, 10(37), 19743-19749.
Telschow, Oscar; Albaladejo-Siguan, Miguel; Merten, Lena; Taylor, Alexander D.; Goetz, Katelyn P.; Schramm, Tim; Konovalov, Oleg V.; Jankowski, Maciej; Hinderhofer, Alexander; Paulus, Fabian; Schreiber, Frank & Vaynzof, Yana
