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首页> 外文期刊>Journal of Spacecraft Technology >Design and 2D simulation of a novel high efficiency tandem InGaP/InGaAs/Ge solar cell and its subcells using APSYS
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Design and 2D simulation of a novel high efficiency tandem InGaP/InGaAs/Ge solar cell and its subcells using APSYS

机译：新型高效串联Ingap / Ingaas / GE太阳能电池及其使用APSYS的设计和2D模拟

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摘要

In this paper, a novel stack of 18 layers InGaP/InGaAs/Ge triple-junction solar cell (TJSC), incorporating additional layers and 1% Indium in InGaAs middle subcell, is designed for its optimized end of life (EOL) efficiency. The tandem structure is simulated and numerically investigated using Advanced Physical Models of Semiconductor Devices (APSYS)-a technology computer-aided design (TCAD) tool. Further, the three individual subcells of the structure i.e. InGaP, InGaAs, and Ge are separately simulated and studied using APSYS framework. The 18 layers structure under investigation is further substantiated with findings of dynamic Secondary Ion Mass Spectroscopy (SIMS). The basic performance parameters like band diagrams, relative energy density, optical generation, J-V curve of the device are calculated. The external quantum efficiency (EQE) spectra have also been computed. The simulated J-V characteristics and Quantum efficiency spectra of the device and its subcells are in well agreement with the experimental results of high efficiency GaInP/InGaAs/Ge triple junction solar cell device. It is shown that the performance of the novel 18 layers' stack is better than other similar structures of TJSC reported elsewhere and it mimics the state of the art ~30% efficient space quality triple junction solar cells. The investigation results of the device and its subcells are reported.
机译：在本文中，一种新的18层Ingap / Ingaas / Ge三轭太阳能电池（TJSC），包括在Ingaas中壳中的额外层和1％铟，设计用于其优化的寿命结束（EOL）效率。使用半导体器件（APSYS）-A技术计算机辅助设计（TCAD）工具的高级物理模型进行模拟和数值研究串联结构。此外，使用APSYS框架分别模拟和研究了结构的三个单独的子单元。InGaP，IngaAs和GE。通过动态二次离子质谱（SIMS）的发现进一步证实了在调查中的18层结构。计算具有频带图，相对能量密度，光学产生，设备的基本性能参数，是设备的J-V曲线。还计算了外部量子效率（EQE）光谱。该装置及其子单元的模拟J-V特性和量子效率光谱与高效增益/ ingaAS / GE三界太阳能电池装置的实验结果一致。结果表明，新颖的18层堆叠的性能优于其他地方的TJSC的其他类似结构，它模拟了现有技术〜30％的高效空间质量三界太阳能电池。报道了装置及其子单元的调查结果。

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