24% Efficient TOPCon-based back contacted polyZEBRA solar cellsJonathan Linke, Christoph Peter, Jan Hoß, Saman Sharbaf Kalaghichi, Valentin Mihailetchi, Jan Lossen and Florian BuchholzEPJ Photovolt., 16 (2025) 8DOI: https://doi.org/10.1051/epjpv/2024051