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Pap, Leonie
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Publications (6/6 displayed)
- 2024Dielectric bragg reflector as back electrode for semi‐transparent organic solar cells with an average visible transparency of 52%citations
- 2023Organic solar cell with an active area >1 cm2 achieving 15.8% certified efficiency using pptimized VIS‐NIR antireflection coatingcitations
- 2023Improved Current Generation for an ITO-free Semitransparent Organic Solar Cell Using a Multilayer Silver Electrode as Distributed Bragg Reflector
- 2023Improved Light Utilization Efficiency for an ITO‐Free Semitransparent Organic Solar Cell Using a Multilayer Silver Back Electrode as Infrared Mirrorcitations
- 2023Improved light utilization efficiency for an ITO‐free semitransparent organic solar cell using a multilayer silver back electrode as infrared mirrorcitations
- 2023Organic Solar Cell with an Active Area > 1 cm^2 Achieving 15.8 % Certified Efficiency Using Optimized VIS‐NIR Anti‐Reflection Coatingcitations
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article
Organic Solar Cell with an Active Area > 1 cm^2 Achieving 15.8 % Certified Efficiency Using Optimized VIS‐NIR Anti‐Reflection Coating
Abstract
<jats:p>Organic solar cells are on the verge of reaching 20 % power conversion efficiency (PCE) on small device areas (< 0.1 cm<jats:sup>2</jats:sup>). This study reports on an improved efficiency of organic solar cells based on the donor polymer D18 combined with the non‐fullerene acceptor Y6 with an active area of ≥ 1 cm<jats:sup>2</jats:sup> reaching a certified PCE of 15.8 %. This was achieved due to an increase in photogenerated current enabled by a fully magnetron sputtered multilayer anti‐reflection coating (ARC) custom designed for the absorption profile of the photoactive layer. The influence of this ARC in the visible to near infrared range is quantified by means of full optical device simulations predicting a photogenerated current gain of 3.9 %. With the advanced device architecture, our best solar cell was measured independently by Fraunhofer ISE calibration lab obtaining the following values: V<jats:sub>OC</jats:sub> = 851.3 mV, J<jats:sub>SC</jats:sub> = 25.11 mAcm<jats:sup>‐2</jats:sup>, FF = 73.89 % on an active area of 1.0645 cm<jats:sup>2</jats:sup> thus yielding the improved world record efficiency in the category of cell areas ≥ 1 cm<jats:sup>2</jats:sup>.</jats:p><jats:p>This article is protected by copyright. All rights reserved.</jats:p>