Executive Summary : | Despite the high compatibility of c-si tunnel oxide passivated contact (c-si TopCON) solar cells in the pilot line production at the industrial scale, the PCE is limited by thermalization loss. A cutting-edge solution is its tandem with a wide band gap (~1.7 eV) perovskite solar cell. However, a perfect combination of environmental stability and suitable energy bandgap of the perovskite material is a major concern for PV researchers at present. Recently, double perovskites with the chemical formula A₂(B/B//)X₆ has been reported as highly environmentally stable and have suitable energy band gap for a tandem solar cell with c-si. In addition, PsC/c-si:TopCON tandem solar cell is rarely explored by PV research community. In this project work, numerical modeling, analysis and optimization of standalone PsC (double perovskite based), standalone c-si:TopCON and PsC/c-si:TopCON tandem solar cell would be executed. The impact of parasitic absorption loss on the proposed tandem solar cell would be analyzed and required mitigation technology would be imposed. Moreover, variation of top cell absorber material thickness or blue light intensity of the AM 1.5 spectrum would be exposed to the tandem device to analyze the impact of current mis-matching on the device performance especially on the fill factor which is required for optimization of tandem device performance. The analysis of standalone PsC and standalone c-si:TopCON solar cells would contribute to the development of correspondingly similar solar cell. |