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@INPROCEEDINGS{Wagner:1044677,
      author       = {Wagner, Lukas and Peters, Ian Marius and Anctil, Annick and
                      Davies, Matthew and de Groot, Jiska and Wang, Li and
                      Pietzcker, Robert and Ekins-Daukes, Ned and Goldschmidt, Jan
                      Christoph},
      title        = {{P}aradigm-shifts for sustainable multi-{TW} photovoltaics},
      publisher    = {FUNDACIO DE LA COMUNITAT VALENCIANA SCITO València},
      reportid     = {FZJ-2025-03326},
      pages        = {-},
      year         = {2025},
      comment      = {Proceedings of the International Conference on Hybrid and
                      Organic Photovoltaics - FUNDACIO DE LA COMUNITAT VALENCIANA
                      SCITO València, 2025. - ISBN -
                      doi:10.29363/nanoge.hopv.2025.077},
      booktitle     = {Proceedings of the International
                       Conference on Hybrid and Organic
                       Photovoltaics - FUNDACIO DE LA
                       COMUNITAT VALENCIANA SCITO València,
                       2025. - ISBN -
                       doi:10.29363/nanoge.hopv.2025.077},
      abstract     = {Cost-efficient climate change mitigation requires the
                      continued rapid expansion of the photovoltaic (PV) system
                      production to the multi-TW level. The PV industry is
                      currently transforming into a key industry sector, which
                      implies that sustainability aspects will have increasingly
                      wide-ranging impacts. We identify four paradigm shifts that
                      can enable a sustainable TW-scale transformation and that
                      address power conversion efficiency, materials, circularity,
                      and social aspects. It will be discussed if and how these
                      can be accomplished with state-of-the-art silicon-based PV
                      technologies and which transformative potential is offered
                      by novel perovskite PV technologies:A change to highly
                      efficient multijunction architectures can reduce materials
                      consumption but implies higher materials complexity. By
                      replacing fossil fuel-based technologies and also by
                      switching from wafer-based to thin film technologies, PV
                      will reduce global mining activities but may create new
                      supply risks and resource complexities (Fig. 1a). Although
                      end-of-life material streams lag behind PV production by
                      several decades, material circularity needs to be
                      anticipated already in the $R\&D$ stage to manage huge
                      future waste streams efficiently. Finally, social aspects
                      especially during production but also in serving all
                      humanities energy needs are an integral part of
                      sustainability and are essential for a wide acceptance of
                      the technology.In the temporal scale, these sustainability
                      challenges fall into two distinct phases (Fig. 1b): a first
                      phase, until mid-century, when rapid PV capacity expansion
                      to mitigate climate change needs to be the main focus, and a
                      second phase where material circularity will become
                      critical. These phases need to be understood and addressed
                      in a multi-dimensional, path dependent optimization
                      approach. Thereby perovskite PV can play a pivotal role to
                      achieve optimum sustainable yield for multi-TW scale
                      photovoltaics.},
      month         = {May},
      date          = {2025-05-12},
      organization  = {12º nternational Conference on Hybrid
                       and Organic Photovoltaics, Roma
                       (Italy), 12 May 2025 - 14 May 2025},
      cin          = {IET-2},
      cid          = {I:(DE-Juel1)IET-2-20140314},
      pnm          = {1214 - Modules, stability, performance and specific
                      applications (POF4-121)},
      pid          = {G:(DE-HGF)POF4-1214},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.29363/nanoge.hopv.2025.077},
      url          = {https://juser.fz-juelich.de/record/1044677},
}