Solar energy paper index
Bandgap engineering and high-throughput defect dynamics in two-terminal CsGeI3-Si monolithic tandem solar cells
One-line summary
A solar energy research paper on Bandgap engineering and high-throughput defect dynamics in two-terminal CsGeI3-Si monolithic tandem solar cells.
Engineering notes
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Abstract Simulation-driven investigations are presented on highly efficient monolithic tandem solar cells with climate-efficient nano-scaled perovskite and crystalline silicon for green energy generation. Tandem solar cells comprise a lead-free CsGeI 3 perovskite top cell and a silicon bottom sub-cell. A Cu 2 O hole transport material layer and a ZnO electron transport material layer was used. Optimizations were performed by varying doping, defect concentration, thickness, and band gap to obtain valuable insights into material properties. These perovskite-silicon tandem solar cells, with a wide band gap and optimized parameters, yielded power conversion efficiencies above the Shockley-Queisser limit for single-junction cells. The structure of perovskite-silicon tandem solar cells is Glass/FTO/ZnO/CsGeI 3 /Cu 2 O/RL/Si(p + )/Si(p)/Si(n)/Au. After optimization, the results show a power conversion efficiency of 37.23%, a J sc of 23.95 mA/cm 2 , a Voc of 1.895 V, and an FF of 82%. This research shows that through this hybrid perovskite-silicon technology, one is assured of increased energy output while decreasing carbon footprints and increasing renewable energy use.
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