Synthesis and Characterization of High-Performance Solar Cell

— High-performance solar-cell is designed for lead-free perovskite materials, synthesis of using for the organometallic halides. The perovskite materials having a high-efficiency charge carrier and identified low-cost materials based commercial photo-voltaic cell. It is an unusually breakthrough of the drawback of high-efficiency photo-voltaic solar-cell because in this solar-cell replaced harmful lead using various perovskite materials like (Sn2+, Ge2+, Mg2+, Ca2+, Sr2+, Ba2+, Cu2+, Fe2+, Pd2+, and Eu2+). We predict the structure and optical properties of perovskite solar-cell based on Ge and Sn solid solutions, CH 3 NH 3 Sn (1−x) Ge x I 3 (0 ≤ x ≤ 1). This material is having the band gaps from 1.3 to 2.0 eV, and it is suitable for an optoelectronic application's range, from single junction devices and top cells for placement to light-emitting layer. The power efficiency of lead-free perovskite solar-cell (LFPSCs) is more than 27%. Which has ABO 3 type orthorhombic crystal structure and successfully examine its structure using X-ray diffraction (XRD) technology. In this research, we synthesis successfully lead-free perovskite solar-cell (LFPSCs)