25.1% high‐efficiency monolithic perovskite silicon tandem solar cell with a high bandgap perovskite absorber : = Twenty five.one % high‐efficiency monolithic perovskite silicon tandem solar cell with a high bandgap perovskite absorber

Abstract: Monolithic perovskite silicon tandem solar cells can overcome the theoretical effciency limit of silicon solar cells. This requires an optimum bandgap, high quantum effciency, and high stability of the perovskite. Herein, a silicon heterojunction bottom cell is combined with a perovskite top cell, with an optimumbandgap of 1.68 eV in planar p–i–n tandem confguration. A methylammonium-free FA0.75Cs0.25Pb(I0.8Br0.2)3perovskite with high Cs content is investigated for improved stability. A 10% molarity increase to 1.1Mof the perovskite precursor solution results in 75 nm thicker absorber layers and 0.7 mA cm2 higher short-circuit current density. With the optimized absorber, tandem devices reach a high fill factor of 80% and up to 25.1% certifed effciency. The unen-capsulated tandem device shows an effciency impr ovement of 2.3% (absolute) over 5 months, showing the robustness of the absorber against degradation.Moreover, a photoluminescence quantum yield analysis reveals that withadapted charge transport materials and surface passivation, along with improved antirefection measures, the high bandgap perovskite absorber hasthe potential for 30% tandem effciency in the near future

Angaben zum Objekt

• Weitere Titel: Twenty five.one % high‐efficiency monolithic perovskite silicon tandem solar cell with a high bandgap perovskite absorber
• Standort: Deutsche Nationalbibliothek Frankfurt am Main
• Umfang: Online-Ressource
• Sprache: Englisch
• Anmerkungen: Solar RRL. - 4, 7 (2020) , 2000152, ISSN: 2367-198X

Klassifikation und Themen

• Klassifikation: Elektrotechnik, Elektronik
• Schlagwort: Perowskit ; Solarzelle ; Siliziumsolarzelle ; Schnittstelle ; Dünne Schicht

Beteiligte, Orts- und Zeitangaben

• Ereignis: Veröffentlichung
• (wo): Freiburg
• (wer): Universität
• (wann): 2020
• Urheber: Schulze, Patricia S. C. ; Bett, Alexander Jürgen ; Bivour, Martin ; Caprioglio, Pietro ; Gerspacher, Fabian M. ; Kabakli, Özde S. ; Richter, Armin ; Stolterfoht, Martin ; Zhang, Qinxin ; Neher, Dieter ; Hermle, Martin ; Hillebrecht, Harald ; Glunz, Stefan ; Goldschmidt, Jan Christoph

Weitere Informationen

• DOI: 10.1002/solr.202000152
• URN: urn:nbn:de:bsz:25-freidok-1658138
• Rechteinformation: Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Letzte Aktualisierung: 14.08.2025, 10:56 MESZ