Abstract
The dielectrical study in dark and under illumination of flexible organic photovoltaic cell (OPV) based on P3HT:PC70BM nanocomposite, which use transparent and conducting multi walled carbon nanotubes (MWCNT) thin films as anode on plastic substrate, is reported. The high frequency response appearing as a semi-circle indicates the homogeneous nature of the electrode-organic interface. On the other hand, inclined straight line localized at low frequency is attributed to recombination and bulk capacitance in the P3HT:PC70BM blend. (C) 2014 Elsevier B.V. All rights reserved.