Figure 9

Absorption spectrum of PTB7- PC₇₁BM and the J-V curves measured in the dark and under illumination for ITO/ZnO/PTB7-[70]PCBM/VOx-PEDOT/Ag, SWCNTs-PEDOT/ZnO/PTB7- PC₇₁BM/VOx-PEDOT/Ag, SWCNTs + PEDOT-PSS + 0.1 M HClO₄/ZnO/PTB7- PC₇₁BM/VOx-PEDOT/Ag.