@article{7037,
  abstract     = {The development of resource-efficient products based on a comprehensive assessment of the R-principles is becoming increasingly important in the context of the Eco-Design Regulation. However, there is no basis for assessing c-Si photovoltaic modules in the context of REpair, REfurbish, and REmanufacture. The aim of this study is therefore to create an assessment basis including a definition framework and a selection of priority parts. The results are a basic functional and structural analysis, an initial catalog of criteria for a semi-quantitative assessment method, and a weighting of priority parts. It becomes clear that individual cells and connection components are particularly relevant for REpair and REfurbish. For REmanufacture, attention should be paid to the entirety of the cells, the frame, and the glass. Overall, a method is created that, in application, lays the foundation for a sustainable product design of photovoltaic modules improved for the circular economy and can be further optimized.              },
  author       = {Schnatmann, Anna Katharina and Wulf, Heike and Schoden, Fabian and Schwenzfeier-Hellkamp, Eva},
  issn         = {2071-1050},
  journal      = {Sustainability},
  keywords     = {assessment method, circular economy, c-Si photovoltaics, refurbish, remanufacture, repair, R-principles},
  number       = {11},
  publisher    = {MDPI AG},
  title        = {{REpair-, REfurbish- and REmanufacture-Ability Assessment of c-Si PV Modules—Method Development}},
  doi          = {10.3390/su18115612},
  volume       = {18},
  year         = {2026},
}

@inproceedings{6308,
  author       = {Schnatmann, Anna Katharina and Schwenzfeier-Hellkamp, Eva},
  booktitle    = {Tagungsband - 8. Regenerative Energietechnik Konferenz in Nordhausen},
  editor       = {Wesselak, Viktor},
  isbn         = {978-3-940820-24-2},
  location     = {Nordhausen},
  title        = {{Kreislauffähiges Photovoltaikmoduldesign - Experteninterviews mit Unternehmen aus der Recyclingbranche}},
  year         = {2025},
}

@inproceedings{6284,
  author       = {Fromme, Lars and Osmani, Linda and Schnatmann, Anna Katharina},
  booktitle    = {Proceedings COMSOL Conference 2025},
  isbn         = {978-1-7364524-3-1},
  location     = {Amsterdam},
  title        = {{Evaluating the Effects of EVA Degradation on Solar Cell Power Efficiency}},
  year         = {2025},
}

@inproceedings{4647,
  author       = {Schnatmann, Anna Katharina and Schwenzfeier-Hellkamp, Eva},
  booktitle    = {PESS 2023 – IEEE Power and Energy Student Summit},
  isbn         = {978-3-8007-6318-4},
  location     = {Bielefeld},
  publisher    = {VDE Verlag GmbH},
  title        = {{Transfer of circular economy principles to photovoltaics by analyzing R principles}},
  year         = {2024},
}

@article{4278,
  author       = {Schnatmann, Anna Katharina and Reimers, Tobi and Hüdepohl, Erik and Umlauf, Jonah and Kleinebekel, Pia and Schoden, Fabian and Schwenzfeier-Hellkamp, Eva},
  issn         = {2071-1050},
  journal      = {Sustainability},
  keywords     = {circular economy, crystalline photovoltaics, degradation, quality management, reuse, second-life PV, electroluminescence},
  number       = {3},
  publisher    = {MDPI AG},
  title        = {{Investigating the Technical Reuse Potential of Crystalline Photovoltaic Modules with Regard to a Recycling Alternative}},
  doi          = {10.3390/su16030958},
  volume       = {16},
  year         = {2024},
}

@article{4285,
  author       = {Schnatmann, Anna Katharina and Schoden, Fabian and Ehrmann, Andrea and Schwenzfeier-Hellkamp, Eva},
  issn         = {2701-939X},
  journal      = {Communications in Development and Assembling of Textile Products},
  keywords     = {circular economy, R principles, textile industry, waste prevention, resilience},
  number       = {2},
  pages        = {294--305},
  publisher    = {Sachsische Landesbibliothek, Staats- und Universitatsbibliothek Dresden},
  title        = {{R principles for circular economy in the textile industry – a mini-review}},
  doi          = {10.25367/cdatp.2023.4.p295-305},
  volume       = {4},
  year         = {2023},
}

@article{2091,
  author       = {Schnatmann, Anna Katharina and Schoden, Fabian and Schwenzfeier-Hellkamp, Eva},
  issn         = {2071-1050},
  journal      = {Sustainability},
  keywords     = {circular economy, encapsulation, crystalline photovoltaic, sustainability},
  number       = {16},
  publisher    = {MDPI AG},
  title        = {{Sustainable PV Module Design—Review of State-of-the-Art Encapsulation Methods}},
  doi          = {10.3390/su14169971},
  volume       = {14},
  year         = {2022},
}

@article{2228,
  author       = {Schoden, Fabian and Schnatmann, Anna Katharina and Blachowicz, Tomasz and Manz-Schumacher, Hildegard and Schwenzfeier-Hellkamp, Eva},
  issn         = {2071-1050},
  journal      = {Sustainability},
  number       = {22},
  publisher    = {MDPI AG},
  title        = {{Circular Design Principles Applied on Dye-Sensitized Solar Cells}},
  doi          = {10.3390/su142215280},
  volume       = {14},
  year         = {2022},
}

@article{1918,
  author       = {Schoden, Fabian and Detzmeier, Joscha and Schnatmann, Anna Katharina and Blachowicz, Tomasz and Schwenzfeier-Hellkamp, Eva},
  issn         = {2071-1050},
  journal      = {Sustainability},
  keywords     = {circular economy, remanufacturing, dye-sensitized solar cell, sustainability},
  number       = {9},
  publisher    = {MDPI AG},
  title        = {{Investigating the Remanufacturing Potential of Dye-Sensitized Solar Cells}},
  doi          = {10.3390/su14095670},
  volume       = {14},
  year         = {2022},
}

@techreport{6469,
  author       = {Schoden, Fabian and Knefelkamp, Dörthe and Schnatmann, Anna Katharina and Schwenzfeier-Hellkamp, Eva},
  pages        = {24},
  title        = {{Circular Economy – Mehrwerte für Unternehmen, Bericht CirQuality OWL}},
  year         = {2022},
}

@techreport{6471,
  author       = {Schoden, Fabian and Schnatmann, Anna Katharina and Schwenzfeier-Hellkamp, Eva},
  pages        = {19},
  title        = {{CirQuality OWL - Lösungen für eine Circular Economy}},
  year         = {2022},
}

@article{1513,
  author       = {Schoden, Fabian and Schnatmann, Anna Katharina and Davies, Emma and Diederich, Dirk and Storck, Jan Lukas and Knefelkamp, Dörthe and Blachowicz, Tomasz and Schwenzfeier-Hellkamp, Eva},
  issn         = {1996-1944},
  journal      = {Materials},
  number       = {21},
  publisher    = {MDPI AG},
  title        = {{Investigating the Recycling Potential of Glass Based Dye-Sensitized Solar Cells—Melting Experiment}},
  doi          = {10.3390/ma14216622},
  volume       = {14},
  year         = {2021},
}