Extended Data Fig. 5: J–V data for a solar cell with an O2-treated spiro-OMeTAD:LiTFSI HTL before and after air exposure.
From: CO2 doping of organic interlayers for perovskite solar cells
a, Summary of evolution of the J–V curve of the solar cell upon exposure to air. b–e, Separate J–V data for the solar cell upon exposure to air for 0 min (b), 10 min (c), 30 min (d), 60 min (e) and 120 min (f).
