%0 Journal Article %A Sandoval-Torrientes R. %A Pascual J. %A García-Benito I. %A Collavini S. %A Kosta I. %A Tena-Zaera R. %A Martín, Nazario %A Delgado J.L. %T Modified Fullerenes for Efficient Electron Transport Layer-Free Perovskite/Fullerene Blend-Based Solar Cells %D 2017 %U http://hdl.handle.net/20.500.12614/1431 %~