1 Istituto ITM-CNR Sezione di Padova, Università di Padova, Dipartimento di Chimica Organica, Via Marzolo 1, 35131 Padova, Italy. michele.maggini@unipd.it
A power conversion efficiency of 0.37%, under white light of 80 mW cm-2 intensity, was obtained when a fullerene-azothiophene dyad was used as the active layer of a photovoltaic cell.