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Spray Deposition of Silver Nanowire Electrodes for Semitransparent Solid-State Dye-Sensitized Solar Cells

机译：半透明固态染料敏化太阳能电池的银纳米线电极的喷雾沉积

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Transparent top electrodes for solid-state dye-sensitized solar cells (ssDSCs) allow for fabrication of mechanically stacked ssDSC tandems, partially transparent ssDSCs for building integration, and ssDSCs on metal foil substrates. A solution-processed, highly transparent, conductive electrode based on PEDOT:PSS [poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)] and spray-deposited silver nanowires (Ag NWs) is developed as an effective top contact for ssDSCs. The electrode is solution-deposited using conditions and solvents that do not damage or dissolve the underlying ssDSC and achieves high performance: a peak transmittance of nearly 93% at a sheet resistance of 18 Ω/square - all without any annealing that would harm the ssDSC. The role of the PEDOT:PSS in the electrode is twofold: it ensures ohmic contact between the ssDSC 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenylamine)9,9'-spirobifluorene (Spiro-OMeTAD) overlayer and the silver nanowires and it decreases the series resistance of the device. Semitransparent ssDSCs with D35 dye fabricated using this Ag NW/PEDOT:PSS transparent electrode show power conversion efficiencies of 3.6%, nearly as high as a reference device using an evaporated silver electrode (3.7%). In addition, the semitransparent ssDSC shows high transmission between 700-1100 nm, a necessity for use in efficient tandem devices. Such an electrode, in combination with efficient ssDSCs or hybrid perovskite-sensitized solar cells, can allow for the fabrication of efficient, cost-effective tandem photovoltaics.
机译：用于固态染料敏化太阳能电池（ssDSCs）的透明顶部电极允许制造机械堆叠的ssDSC灯架，用于建筑物集成的部分透明的ssDSCs以及在金属箔基板上的ssDSCs。开发了基于PEDOT：PSS [聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）]和喷涂银纳米线（Ag NWs）的溶液处理，高度透明的导电电极，作为ssDSC的有效顶部触点。使用不会损坏或溶解下面的ssDSC的条件和溶剂进行溶液沉积，并获得高性能：在18Ω/平方的薄层电阻下，峰值透射率接近93％-所有这些都无需进行任何会损害ssDSC的退火处理。 PEDOT：PSS在电极中的作用是双重的：它确保ssDSC 2,2'，7,7'-四-（N，N-二-对甲氧基苯胺）9,9'-螺二芴之间的欧姆接触（ Spiro-OMeTAD）覆层和银纳米线，它降低了器件的串联电阻。使用该Ag NW / PEDOT：PSS透明电极制造的具有D35染料的半透明ssDSC的功率转换效率为3.6％，几乎与使用蒸发银电极的参考器件（3.7％）一样高。此外，半透明的ssDSC显示700-1100 nm之间的高透射率，这是在高效串联设备中使用的必要条件。这种电极与有效的ssDSC或钙钛矿混合型敏化太阳能电池相结合，可用于制造高效，成本效益高的串联光伏电池。

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  • 来源
    《Advanced energy materials》 |2013年第12期|1657-1663|共7页
  • 作者

    George Y. Margulis; M. Greyson Christoforo; David Lam; Zach M. Beiley; Andrea R. Bowring; Colin D. Bailie; Alberto Salleo; Michael D. McGehee;

  • 作者单位

    Department of Applied Physics Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Electrical Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Physics Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Materials Science and Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Materials Science and Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Materials Science and Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Materials Science and Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

    Department of Materials Science and Engineering Stanford University Geballe Laboratory for Advanced Materials 476 Lomita Mall, Stanford, CA, 94305, USA;

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