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Cost Effective Perovskite Solar Cell with Inorganic Hole- Transporting Material

Perovskite solar cell (PSC) with inorganic hole-transporting material is cost effective and stable. This paper presents a numerical analysis of CH3NH3PbI3 based PSC using SCAPS-1D software. Actual absorption spectra of different layers of the PSC structure are considered in the analysis. The performance of the reference PSC has been investigated by varying the absorber layer thickness. It has been found that the efficiency is maximized when the absorber thickness is reduced. The doping densities of different layers are also varied to increase the power conversion efficiency (PCE) of the PSC. The proposed structure achieves a PCE of 14.63% where PCE increases by 1.9% in comparison with the reference cell. The proposed structure shows a short-circuit current (Jsc) of21.17 mA/cm2, an open circuit voltage (Voc) of 1.07V, and a fill factor of 64.38% under global AM 1.5 condition. The reduced absorber thickness, as well as the improved efficiency, makes the proposed PSC structure cost effective and efficient.