IMPROVING THE PHOTOVOLTAIC PARAMETERS OF PEROVSKITE SOLAR CELLS USING VARIOUS POLAR CARRIER LAYERS
DOI:
https://doi.org/10.56292/SJFSU/vol31_iss5/a163Keywords:
PSC; PTAA; PEDOT:PSS; NMP; ECE.Abstract
In this study, the effects of PEDOT:PSS and PTAA hole-carrying layers on the quality and energy conversion efficiency (ECE) of perovskite films were investigated. When PTAA was used as the interface material, the perovskite film prepared by adding 5 mol% N methyl 2 pyrrolidone (NMP) to the MAPbI₃ precursor solution had a high-density crystal structure, and the energy levels and charge transfer efficiency were improved. The perovskite solar cell (PSC) using PTAA achieved an ECE value of 18.90%, which was 2.3% higher than that using PEDOT:PSS. The PTAA-based sample retained 90% of the initial ECE even after 80 days of unencapsulated storage. These results open up new opportunities for the commercialization of PSCs.
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