Improved electron collection in fullerene via caesium iodide or carbonate by means of annealing in inverted organic solar cellsZouhair El Jouad, Guy Louarn, Thappily Praveen, Padmanabhan Predeep, Linda Cattin, Jean-Christian Bernède, Mohammed Addou and Mustapha MorsliEPJ Photovolt., 5 (2014) 50401DOI: https://doi.org/10.1051/epjpv/2014003
