▎ 摘　　要

We have introduced solution-processable functionalized graphene material (SPFGraphene) in P3HT/PCBM photovoltaic devices. The best results were obtained with a P3HT/PCBM (1:1) mixture with 10 wt% of graphene is open-circuit voltage(V-oc)of 0.64 V, a short-circuit current density (J(sc)) of 5.3 mA/cm(2) and a FF of 0.41 which led to a power conversion efficiency of 1.4% at illumination at 100 mW/cm(2) AM1.5. This device takes advantage of the electron-accepting feature of fullerenes and the high electron transport capability of graphene. The results indicate that the addition of graphene enhances the performance of polymer photovoltaic cells. (C) 2010 Elsevier B.V. All rights reserved.