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首页> 美国卫生研究院文献>Science and Technology of Advanced Materials >Influence of chemically p-type doped active organic semiconductor on the film thickness versus performance trend in cyanine/C60 bilayer solar cells
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Influence of chemically p-type doped active organic semiconductor on the film thickness versus performance trend in cyanine/C60 bilayer solar cells

机译：化学p型掺杂的活性有机半导体对花青/ C60双层太阳能电池膜厚度和性能趋势的影响

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摘要

Simple bilayer organic solar cells rely on very thin coated films that allow for effective light absorption and charge carrier transport away from the heterojunction at the same time. However, thin films are difficult to coat on rough substrates or over large areas, resulting in adverse shorting and low device fabrication yield. Chemical p-type doping of organic semiconductors can reduce Ohmic losses in thicker transport layers through increased conductivity. By using a Co(III) complex as chemical dopant, we studied doped cyanine dye/C60 bilayer solar cell performance for increasing dye film thickness. For films thicker than 50 nm, doping increased the power conversion efficiency by more than 30%. At the same time, the yield of working cells increased to 80%. We addressed the fate of the doped cyanine dye, and found no influence of doping on solar cell long term stability.
机译：简单的双层有机太阳能电池依赖于非常薄的涂膜，可以有效吸收光并同时使载流子从异质结处转移出去。然而，薄膜难以涂覆在粗糙的基板上或大面积上，导致不利的短路和较低的器件制造成品率。有机半导体的化学p型掺杂可以通过增加电导率来减少较厚传输层中的欧姆损耗。通过使用钴（III）配合物作为化学掺杂剂，我们研究了掺杂的花菁染料/ C60双层太阳能电池对增加染料膜厚度的性能。对于厚度大于50 nm的薄膜，掺杂将功率转换效率提高了30％以上。同时，工作细胞的产率提高到80％。我们研究了掺杂花菁染料的命运，发现掺杂对太阳能电池的长期稳定性没有影响。

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