Determination of individual I(V) characteristics of each sub-cell of a triple junction device Christophe Longeaud, José Alvarez, Herinirina Fanevamampiandra, Thomas Bidaud, Gwenaëlle Hamon, Maxime Darnon and Marie-Estelle Gueunier-Farret EPJ Photovolt., 14 (2023) 20 Published online: 16 June 2023 DOI: 10.1051/epjpv/2023011