Research Article

Surface Treatment on Nickel Oxide to Enhance the Efficiency of Inverted Perovskite Solar Cells

Figure 5

(a) The curve of the perovskite solar cell based on 300°C annealed NiOx with UV-ozone treatment. (b) The PL profiles of perovskite films deposited on quartz, 300°C annealed NiOx with and without UV-ozone.
(a)
(b)