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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 >Polymer solar cell modules prepared using roll-to-roll methods: Knife-over-edge coating, slot-die coating and screen printing
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Polymer solar cell modules prepared using roll-to-roll methods: Knife-over-edge coating, slot-die coating and screen printing

机译：使用卷对卷方法制备的聚合物太阳能电池模块：边缘刀涂布，缝模涂布和丝网印刷

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A complete polymer solar cell module prepared in the ambient atmosphere using all-solution processing with no vacuum steps and full roll-to-roll (R2R) processing is presented. The modules comprise five layers that were prepared on a 175-mu m flexible polyethyleneterephthalate (PET) substrate with an 80-nm layer of transparent conducting indium-tin oxide (ITO). The ITO layer was first patterned by screen printing an etch resist followed by etching. The second layer was applied by either knife-over-edge (KOE) coating or slot-die coating a solution of zinc oxide nanoparticles (ZnO-nps) followed by curing. The second layer comprised a mixture of the thermocleavable poly-(3-(2-methylhexan-2-yl)-oxy-carbonyldithiophene) (P3MHOCT) and ZnO-nps and was applied by a modified slot-die coating procedure, enabling slow coating speeds with low viscosity and low surface tension ink solutions. The third layer was patterned into stripes and juxtaposed with the ITO layer. The fourth layer comprised screen-printed or slot-die-coated PEDOT:PSS and the fifth and the final layer comprised a screen-printed or slot-die-coated silver electrode. The final module dimensions were 28 cm x 32 cm and presented four individual solar cell modules: a single-stripe cell, a two-stripe serially connected module, a three-stripe serially connected module and finally an eight-stripe serially connected module. The length of the individual stripes was 25 cm and the width was 0.9 cm. With overlaps of the individual layers this a width of the active layer of 0.6 cm and an active area for each stripe of 15 cm(2). The performance was increased ten fold compared to mass-produced modules employing screen printing for all five layers of the device. The processing speeds employed for the R2R processed layers were in the range of 40-50 m h(-1). Finally a comparison is made with the state of the art represented by P3HT-PCBM as the active layer and full R2R solution processing using slot-die coating.
机译：提出了使用无真空步骤和全卷对卷（R2R）工艺的全溶液工艺在环境大气中制备的完整聚合物太阳能电池模块。这些模块包括五层，分别在175微米的柔性聚对苯二甲酸乙二醇酯（PET）基板上制备，该基板具有80纳米的透明导电铟锡氧化物（ITO）层。首先通过丝网印刷抗蚀剂，然后进行蚀刻来图案化ITO层。第二层通过边缘刮刀（KOE）涂层或狭缝模头涂覆氧化锌纳米颗粒（ZnO-nps）溶液进行涂覆，然后进行固化。第二层包含可热裂解的聚（3-（2-甲基己-2-基）-氧-羰基二噻吩）（P3MHOCT）和ZnO-nps的混合物，并通过改进的狭缝模头涂布程序进行涂布，从而能够缓慢涂布低粘度和低表面张力油墨解决方案可提高打印速度。将第三层图案化为条纹并与ITO层并置。第四层包括丝网印刷或缝模涂覆的PEDOT：PSS，第五层和最后一层包括丝网印刷或缝模涂覆的银电极。最终模块尺寸为28 cm x 32 cm，并提供四个单独的太阳能电池模块：一个单条带状的电池，两个条带的串行连接的模块，一个三条形的串行连接的模块以及最后一个八条形的串行连接的模块。单个条纹的长度为25厘米，宽度为0.9厘米。各个层重叠时，有源层的宽度为0.6厘米，每个条纹的有效面积为15厘米（2）。与批量生产的模块的所有五层均采用丝网印刷的模块相比，该性能提高了十倍。用于R2R处理的层的处理速度在40-50 m h（-1）的范围内。最后，与以P3HT-PCBM为代表的现有技术作为活性层和使用狭缝模头涂层进行的完整R2R溶液处理进行了比较。

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