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Numerical Analysis on Electrical Measurements of Multi-Junction Silicon and Germanium Alloy Based Thin-Film Solar Cell

机译：多结硅锗合金薄膜太阳能电池电学测量的数值分析

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摘要

An attempt is made in this paper to study the multi-junction solar cells designed from Silicon (Si)-Germanium (Ge) alloy based semiconductor materials. The results shows that multi-junction solar cells designed from Silicon (Si)-Germanium (Ge) alloy exhibit high theoretical efficiencies (19.6%) compared to the single junction one. The modeling calculations for all solar cells are done by a computer simulation using AMPS-1D. This design allows less energetic photons to pass through the upper layer(s) and be absorbed by the layer below, which increases the overall efficiency of the solar cell. Material parameters required to model the absorber layers are calculated and incorporated in the AMPS-1D simulator for optimizing of solar cell parameter values. Simulation results show that considerable efficiency enhancement can be obtained from the addition of the multi-junction layer.
机译：本文尝试研究由基于硅（Si）-锗（Ge）合金的半导体材料设计的多结太阳能电池。结果表明，与单结之一相比，由硅（Si）-锗（Ge）合金设计的多结太阳能电池具有较高的理论效率（19.6％）。所有太阳能电池的建模计算均通过使用AMPS-1D的计算机仿真完成。这种设计允许较少的高能光子穿过上层并被下层吸收，从而提高了太阳能电池的整体效率。计算吸收层模型所需的材料参数，并将其合并到AMPS-1D仿真器中，以优化太阳能电池参数值。仿真结果表明，通过添加多结层可以显着提高效率。

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