Investigation of the influence of different hole-transportingmaterials on the performance of perovskite solar cells

چکیده مقاله

The use of polymer layers as hole transport materials has been recomended to amlify theresistance to degradation of methylammonium perovskite solar cells. Polymeric materialshave been investigated but with little achievement as they lead to a lower conversionefficiency than the values attained using Spiro-OMETAD. In this paper, perovskite solarcells are reported to have been numerically simulated using SCAPS-1D and AMPS-1D. It isa study of the influence of thickness of absorbers and hole transporting materials (HTM)as well as holes density and temperatur on short-circuit current density (JSC), open-circuitvoltage (VOC), fill factor and efficiency. Also, J-V characteristics and quantum efficiency arecalculated in five types of HTMs (i.e. Spiro-OMETAD, PEDOT PSS, NPB, MEH-PPV, P3HT)and without an HTM layer. There is an improvement observed in the solar cell efficiencyas compared to the standard Spiro-MeOTAD buffer based on solar cell configuration.Theobservation suggests the possibility of using PEDOTPSS for HTM conversion efficiency, and,thus, a replacement is found for the expensive and moisture-sensitive Spiro-OMETAD.