%0 Journal Article %A Kahnt A. %A Guldi D.M. %A Torres, Tomás %A Bottari, Giovanni %T Protonation-induced changes in the photophysical properties of a phthalocyanine and a covalently-linked, phthalocyanine-C60 fullerene dyad %D 2013 %U http://hdl.handle.net/20.500.12614/1924 %~