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Optical modeling of sunlight by using partially coherent sources in organic solar cells

机译:通过在有机太阳能电池中使用部分相干光源对太阳光进行光学建模

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We investigate the effects of coherent and partially coherent sources in optical modeling of organic solar cells. Two different organic solar cells are investigated: one without substrate and the other with a millimeter-sized glass substrate. The coherent light absorption is calculated with rigorous coupled-wave analysis. The result of this method is convolved with a distribution function to calculate the partially coherent light absorption. We propose a new formulation to accurately model sunlight as a set of partially coherent sources. In the structure with glass substrate, the accurate sunlight modeling results in the elimination of coherent effects in the thick substrate, but the coherency in other layers is not affected. Using partially coherent sources instead of coherent sources for simulations with sunlight results in a smoother absorption spectrum, but the change in the absorption efficiency is negligible. (C) 2016 Optical Society of America
机译:我们研究有机太阳能电池光学模型中相干和部分相干源的影响。研究了两种不同的有机太阳能电池:一种没有基板,另一种具有毫米大小的玻璃基板。相干光吸收通过严格的耦合波分析来计算。该方法的结果与分布函数进行卷积,以计算部分相干的光吸收。我们提出了一种新的公式,可以将太阳光精确建模为一组部分相干的光源。在带有玻璃基板的结构中,精确的阳光建模可消除厚基板中的相干效应,但不会影响其他层的相干性。使用部分相干光源代替相干光源进行日光模拟会产生更平滑的吸收光谱,但是吸收效率的变化可以忽略不计。 (C)2016美国眼镜学会

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