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首页> 外文期刊>Progress in photovoltaics >Design, fabrication, and analysis of transparent silicon solar cells for multi-junction assemblies
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Design, fabrication, and analysis of transparent silicon solar cells for multi-junction assemblies

机译：用于多结组件的透明硅太阳能电池的设计，制造和分析

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Transparent silicon solar cells can lead to an increased efficiency of silicon-based multi-junction assemblies by transmitting near and below band gap energy light for conversion in a low band gap solar cell. This analysis shows that the maximum efficiency gain for a low band gap solar cell beneath silicon at a concentration of 50 suns is 5.8%, based on ideal absorption and conversion of the photons. This work analyzes the trade-offs between increased near band edge absorption in the silicon and silicon solar cell transparency. Application of these results to real cases including a germanium bottom solar cell is analyzed, leading to a range of cases with increased system efficiency. Non-ideal surfaces and real silicon and germanium solar cell device performance are presented. The range of practical system gains may be as low as 2.2-1% absolute when compared with the efficiency of a light-trapped silicon solar cell for 1-sun operation, based on this work. Copyright ? 2012 John Wiley & Sons, Ltd.
机译：透明硅太阳能电池可以通过传输带隙附近和下方的能量光以在低带隙太阳能电池中进行转换来提高基于硅的多结组件的效率。该分析表明，基于理想的光子吸收和转换，浓度低于50太阳的硅下方低带隙太阳能电池的最大效率增益为5.8％。这项工作分析了硅中增加的近带边缘吸收与硅太阳能电池透明性之间的权衡。分析了这些结果在包括锗底太阳能电池在内的实际案例中的应用，从而导致一系列具有提高系统效率的案例。介绍了非理想表面以及真实的硅和锗太阳能电池器件的性能。根据这项工作，与用于1-sun操作的光阱硅太阳能电池的效率相比，实际系统增益的范围可能低至2.2-1％的绝对值。版权？ 2012年John Wiley＆Sons，Ltd.

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