三结太阳能电池由薄膜GaInP/GaAs串联电池机械堆叠在硅电池上组成

Conference Record of the Twenty Sixth IEEE Photovoltaic Specialists Conference - 1997 Pub Date : 1997-12-31 DOI:10.1109/PVSC.1997.654232

Y. Yazawa, K. Tamura, S. Watahiki, T. Kitatani, H. Ohtsuka, T. Warabisako

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引用次数: 12

摘要

采用薄膜GaInP/GaAs单片串联电池与硅电池的机械叠层制备了三结串联太阳能电池。采用外延提升(ELO)技术对GaInP/GaAs串联电池进行薄化。薄膜GaInP/GaAs单片串联电池中GaInP顶层电池和GaAs中间电池的光谱响应都是保守的。通过减少砷化镓衬底的吸收损耗，硅电池的性能得到了改善。

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Three-junction solar cells comprised of a thin-film GaInP/GaAs tandem cell mechanically stacked on a Si cell

Three-junction tandem solar cells were fabricated by mechanical stacking of a thin-film GaInP/GaAs monolithic tandem cell and a Si cell. The epitaxial lift-off (ELO) technique was used for the thinning of GaInP/GaAs tandem cells. Both spectral responses of the GaInP top cell and the GaAs middle cell in the thin-film GaInP/GaAs monolithic tandem cell were conserved. The Si cell performance has been improved by reducing the absorption loss in the GaAs substrate.

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Conference Record of the Twenty Sixth IEEE Photovoltaic Specialists Conference - 1997

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