Accessible spectral calibration of multi-LED solar simulators for tandem I–V measurementAntoine Bourgeois, Zoltan Nicot-Senneville, Stella Hadiwidjaja, Jiayi Ye and Kwan Bum ChoiEPJ Photovolt., 17 (2026) 19DOI: https://doi.org/10.1051/epjpv/2026008
