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首页> 外文期刊>Advanced materials for optics and electronics >Inverted Organic Solar Cells with Sol-Gel Processed High Work-Function Vanadium Oxide Hole-Extraction Layers
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Inverted Organic Solar Cells with Sol-Gel Processed High Work-Function Vanadium Oxide Hole-Extraction Layers

机译：具有溶胶-凝胶工艺的高功函数氧化钒空穴提取层的倒置有机太阳能电池

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摘要

For large-scale and high-throughput production of organic solar cells (OSCs), liquid processing of the functional layers is desired. We demonstrate inverted bulk-heterojunction organic solar cells (OSCs) with a sol-gel derived V_2O_5 hole-extraction-layer on top of the active organic layer. The V_2O_5 layers are prepared in ambient air using Vanadium(V)-oxitriisopropoxide as precursor. Without any post-annealing or plasma treatment, a high work function of the V_2O_5 layers is confirmed by both Kelvin probe analysis and ultraviolet photo-electron spectroscopy (UPS). Using UPS and inverse photoelectron spectros-copy (IPES), we show that the electronic structure of the solution processed V_2O_5 layers is similar to that of thermally evaporated V_2O_5 layers which have been exposed to ambient air. Optimization of the sol gel process leads to inverted OSCs with solution based V_2O_5 layers that show power conversion efficiencies similar to that of control devices with V_2O_5 layers prepared in high-vacuum.
机译：为了大规模且高通量地生产有机太阳能电池（OSC），需要对功能层进行液体处理。我们展示了在活性有机层顶部具有溶胶-凝胶衍生的V_2O_5空穴提取层的反向本体异质结有机太阳能电池（OSC）。 V_2O_5层是在环境空气中以钒（V）-氧三异丙醇为前驱体制备的。没有任何后退火或等离子体处理，通过开尔文探针分析和紫外光电子能谱（UPS）证实了V_2O_5层的高功函。使用UPS和反光电子能谱（IPES），我们显示了溶液处理的V_2O_5层的电子结构与暴露于环境空气中的热蒸发的V_2O_5层的电子结构相似。溶胶凝胶工艺的优化导致具有基于溶液的V_2O_5层的OSC反转，其功率转换效率类似于高真空中制备的具有V_2O_5层的控制设备的功率转换效率。

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  • 来源
    《Advanced materials for optics and electronics》 |2011年第24期|p.4776-4783|共8页
  • 作者

    Kirill Zilberberg; Sara Trost; Jens Meyer; Antoine Kahn; Andreas Behrendt; Dirk Luetzenkirchen-Hecht; Ronald Frahm; Thomas Riedl;

  • 作者单位

    Institute of Electronic Devices University of Wuppertal Rainer-Gruenter-Str. 21, 42119 Wuppertal, Germany;

    Institute of Electronic Devices University of Wuppertal Rainer-Gruenter-Str. 21, 42119 Wuppertal, Germany;

    Department of Electrical Engineering Princeton University Princeton, NJ, USA;

    Department of Electrical Engineering Princeton University Princeton, NJ, USA;

    Physics of Condensed Matter University of Wuppertal, Germany;

    Physics of Condensed Matter University of Wuppertal, Germany;

    Department of Electrical Engineering Princeton University Princeton, NJ, USA;

    Institute of Electronic Devices University of Wuppertal Rainer-Gruenter-Str. 21, 42119 Wuppertal, Germany;

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