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首页> 外文期刊>Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion >ITO-free wrap through organic solar cells - A module concept for cost-efficient reel-to-reel production
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ITO-free wrap through organic solar cells - A module concept for cost-efficient reel-to-reel production

机译：通过有机太阳能电池的无ITO缠绕-一种经济高效的卷到卷生产的模块概念

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摘要

Organic solar cells have the potential to make cheap photovoltaic devices feasible. In order to achieve this, material and production costs have to be minimised by using device architectures, which are suited to tap the full potential of reel-to-reel production. The inversion of the layer sequence in organic bulk-heterojunction solar cells is motivated by the possibility to omit the commonly used expensive indium tin oxide electrode utilising the so-called wrap through concept. In this concept, the hole contact is formed by a highly conductive formulation of poly(3,4 ethylenedioxythiophene):poly(styrenesulfonate), which is led through via holes in the solar cell to the backside of the substrate in a regular pattern, where it is contacted with a metal layer with low sheet resistance. In this way, a scalable parallel connexion is realised. If higher voltage is desired, one can also connect several such cell segments in series monolithically. We will show that the inversion of the layer sequence is possible without loss of device performance. Using the results of small area inverted devices, we calculate the optimal dimensions of the wrap through solar cell module. First devices with active areas of 2-4cm(2) with parallel and serial wrap through connexion will be shown as proof of concept. (c) 2006 Elsevier B.V. All rights reserved.
机译：有机太阳能电池具有使廉价的光伏装置可行的潜力。为了实现这一点，必须通过使用适合于充分利用卷对卷生产潜力的设备架构，将材料和生产成本降至最低。有机体-异质结太阳能电池中层序的反转是由于有可能通过利用所谓的“包裹式”概念来省略通常使用的昂贵的铟锡氧化物电极而引起的。在这个概念中，空穴接触是由聚（3,4乙二氧基噻吩）：聚（苯乙烯磺酸盐）的高导电配方形成的，该空穴接触以规则的方式穿过太阳能电池中的通孔到达基板的背面，其中它与低薄层电阻的金属层接触。以此方式，实现了可扩展的并行连接。如果需要更高的电压，也可以单片串联连接多个这种电池段。我们将证明在不损失设备性能的情况下可以进行层序列的反转。利用小面积倒置器件的结果，我们计算出了通过太阳能电池模块包装的最佳尺寸。将显示具有2-4cm（2）有源区域并通过连接进行并行和串行缠绕的首批设备。 （c）2006 Elsevier B.V.保留所有权利。

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