Alishah, Hamed MoeiniKazici, MehmetOngul, FatihBozar, SinemRodop, Macide CanturkKahveci, CihangirArvas, Melih Besir2024-12-242024-12-2420200957-45221573-482Xhttps://doi.org/10.1007/s10854-020-03336-4https://hdl.handle.net/20.500.12604/6076We have fabricated inverted-type perovskite solar cells employing CH3NH3PbI3-xClx perovskite in the form of ITO/PEDOT:PSS/Perovskite/PCBM/Al. The effects of UV radiation on ITO/PEDOT:PSS substrates have been investigated for perovskite solar cells. ITO/PEDOT:PSS substrates were exposed to UV radiation for 5 to 15 min. The perovskite solar cells fabricated on UV-irradiated ITO/PEDOT:PSS substrates exhibited better performance as compared to those fabricated on substrates employing non-treated PEDOT:PSS. We used photovoltaic characterization, UV-VIS absorption, sheet resistance, X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR), and external quantum efficiency (EQE) characterization techniques to investigate the effect of UV irradiation of ITO/PEDOT:PSS substrates on the performance of perovskite solar cells. The devices fabricated on ITO/PEDOT:PSS (UV irradiated for 10 min) exhibited the best device performance of all. We achieved a 9% increase in the overall power conversion efficiency for the devices fabricated on substrates exposed to UV radiation.eninfo:eu-repo/semantics/closedAccessArticle311079687980Q3WOS:000529743900066Q22-s2.0-8508380356510.1007/s10854-020-03336-4