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首页> 外文期刊>Applied Physics Letters >Anti-reflection resonance in distributed Bragg reflectors-based ultrathin highly absorbing dielectric and its application in solar cells
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Anti-reflection resonance in distributed Bragg reflectors-based ultrathin highly absorbing dielectric and its application in solar cells

机译:基于分布式布拉格反射器的超薄高吸收电介质的抗反射共振及其在太阳能电池中的应用

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摘要

We present a design of anti-reflection resonance in distributed Bragg reflectors (DBRs) based ultrathin highly absorbing dielectric. In such structure, anti-reflection resonance can be supported at wavelengths much longer than those achieved by the previous metal-based structure due to the appropriate reflection phase from the DBRs surface. The proposed anti-reflection resonance can find applications in thin-film organic solar cells for light trappings. By replacing partial metal electrode with DBRs to provide the desired reflection phase, the overall absorptivity can be greatly increased by ~31% due to the good matching between anti-reflection resonance and high-absorption range of the active layers.
机译:我们提出了基于超薄高吸收电介质的分布式布拉格反射器(DBR)中的抗反射共振设计。在这样的结构中,由于来自DBR表面的适当反射相位,因此可以以比以前的基于金属的结构所获得的波长更长的波长支持抗反射共振。所提出的抗反射共振可以在薄膜有机太阳能电池的光阱中找到应用。通过用DBR代替部分金属电极以提供所需的反射相,由于抗反射共振与活性层的高吸收范围之间的良好匹配,总吸收率可以大大提高〜31%。

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