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首页> 美国卫生研究院文献>Polymers >Hexagonal and Square Patterned Silver Nanowires/PEDOT:PSS Composite Grids by Screen Printing for Uniformly Transparent Heaters
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Hexagonal and Square Patterned Silver Nanowires/PEDOT:PSS Composite Grids by Screen Printing for Uniformly Transparent Heaters

机译：六角形和方形图案化的银纳米线/ PEDOT：PSS复合丝网的丝网印刷用于均匀透明的加热器

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Transparent conductive films with hexagonal and square patterns were fabricated on poly(ethylene terephthalate) (PET) substrates by screen printing technology utilizing a poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) and silver nanowire (Ag NWs) composite ink. The printing parameters—mesh number, printing layer, mass ratio of PEDOT:PSS to Ag NWs and pattern shape—have a significant influence on the photoelectric properties of the composite films. The screen mesh with a mesh number of 200 possesses a suitable mesh size of 74 µm for printing clear and integrated grids with high transparency. With an increase in the printing layer and a decrease in the mass ratio of PEDOT:PSS to Ag NWs, the transmittance and resistance of the printed grids both decreased. When the printing layer is 1, the transmittance and resistance are 85.6% and 2.23 kΩ for the hexagonal grid and 77.3% and 8.78 kΩ for the square grid, indicating that the more compact arrangement of square grids reduces the transmittance, and the greater number of connections of the square grid increases the resistance. Therefore, it is believed that improved photoelectric properties of transparent electrodes could be obtained by designing a printing pattern with optimized printing parameters. Additionally, the Ag NWs/PEDOT:PSS composite films with hexagonal and square patterns exhibit high transparency and good uniformity, suggesting promising applications in large-area and uniform heaters.
机译：利用聚（3,4-乙撑二氧噻吩）聚（苯乙烯磺酸盐）（PEDOT：PSS）和银纳米线（Ag NWs）通过丝网印刷技术在聚对苯二甲酸乙二酯（PET）基板上制作具有六边形和正方形图案的透明导电膜复合油墨。印刷参数（目数，印刷层，PEDOT：PSS与Ag NWs的质量比和图案形状）对复合膜的光电性能有重要影响。筛号为200的丝网具有合适的74 µm筛孔尺寸，可打印透明且具有高透明度的集成网格。随着印刷层的增加和PEDOT：PSS与Ag NWs的质量比的降低，印刷栅格的透射率和电阻均降低。当印刷层为1时，六边形栅格的透射率和电阻为85.6％和2.23kΩ，方形栅格的透射率和电阻为77.3％和8.78kΩ，这表明方形栅格的紧凑排列会降低透射率，并且更大的数量方格的连接会增加电阻。因此，据信通过设计具有优化的印刷参数的印刷图案可以获得透明电极的改善的光电性能。此外，具有六边形和正方形图案的Ag NWs / PEDOT：PSS复合膜表现出高透明度和良好的均匀性，表明在大面积和均匀加热器中的应用前景广阔。

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