Device simulations: Toward the design of >13% efficient PbS colloidal quantum dot solar cell

•Performance assessment of MgZnO (MZO) and TiO2 ETL based PbS CQD has been done.•Optimized MgZnO and TiO2 ETL based devices reflected 13.59% and 13.94% conversion efficiencies.•The influence of PbS-TBAI/ETL interface defect density (IDD) has also been studied.•While increasing the IDD, reduction in...

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