Optimisation of the interface “organic material/aluminium” of CuPc/C60 based photovoltaic cellsY. Berredjem, N. Karst, A. Boulmokh, A. Drici and J. C. BernèdeEur. Phys. J. Appl. Phys., 40 2 (2007) 163-167DOI: https://doi.org/10.1051/epjap:2007145