Pascual, JKosta, IPalacios-Lidon, EChuvilin, AGrancini, GNazeeruddin, MKGrande, HJDelgado, JLTena-Zaera, R2018-11-082018-11-082018-11-08201810.1021/acs.jpcc.7b11141https://infoscience.epfl.ch/handle/20.500.14299/150042WOS:000424955400007Co-Solvent Effect in the Processing of the Perovskite:Fullerene Blend Films for Electron Transport Layer-Free Solar Cellstext::journal::journal article::research article