Figure 8
From: Inkjet printing of NiO films and integration as hole transporting layers in polymer solar cells

(a) Dark and (b) lightJ-V characteristics of P3HT:PC60BM organic solar cell devices fabricated on printed and spin coated NiO films heat treated at 400 °C (with and without UV-Ozone treatment) and (c) EQE spectra of the devices fabricated on spin coated and printed NiO films heat treated at 400 °C.