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Inkjet Printing and Sintering of Nano-Copper Ink

机译：纳米铜墨的喷墨印刷与烧结

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摘要

An alternative low-cost replacement for silver and gold conductive inks is of great interest to the printed electronics industry. Nanoparticle copper inks and silver-coated nano-copper inks are some of the alternative materials being tested for use, especially in applications where low-temperature flexible substrates are favored. Although the inkjettability of nano-copper ink and the influence on print quality has been reported, information regarding the relationship between the ink film thickness and the energy required for sintering by intensive pulse light is not yet understood. In this study, an inkjettable nano-copper ink was printed on PET (polyethyleneterephthalate) and glass, and the samples were sintered using bursts of high-intensity pulsed light. The amount of energy applied determined the degree of sintering among particles. The greater the number of sintered nanoparticles, the higher is the conductivity of the printed traces. A comparison of energy levels required for sintering on glass and PET in relationship to the ink film thickness is reported, and the thermal contribution of the substrate to the processing energy requirements of this ink is revealed.
机译：银和金导电墨水的替代低成本替代品对印刷电子行业非常感兴趣。纳米粒子铜油墨和镀银的纳米铜油墨是正在测试使用的某些替代材料，特别是在需要低温柔性基材的应用中。尽管已经报道了纳米铜墨的可喷墨性及其对打印质量的影响，但是关于墨膜厚度与通过强脉冲光进行烧结所需的能量之间的关系的信息尚未被理解。在这项研究中，可喷墨的纳米铜油墨被印刷在PET（聚对苯二甲酸乙二酯）和玻璃上，并使用高强度脉冲光突发烧结样品。所施加的能量大小决定了颗粒之间的烧结程度。烧结的纳米颗粒的数量越多，印刷迹线的电导率越高。报告了在玻璃和PET上进行烧结所需的能级与油墨膜厚度的关系比较，揭示了基材对这种油墨的加工能量要求的热影响。

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  • 来源
    《Journal of Imaging Science and Technology》 |2013年第5期|050506.1-050506.7|共7页
  • 作者

    Sooman Lim; Margaret Joyce; Paul D. Fleming; Ahmed Tausif Aijazi; Massood Atashbar;

  • 作者单位

    Department of Chemical and Paper Engineering, Western Michigan University, 4601 Campus Dr. #A-217, Kalamazoo, MI 49008;

    Department of Chemical and Paper Engineering, Western Michigan University, 4601 Campus Dr. #A-217, Kalamazoo, MI 49008;

    Department of Chemical and Paper Engineering, Western Michigan University, 4601 Campus Dr. #A-217, Kalamazoo, MI 49008;

    Department of Chemical and Paper Engineering, Western Michigan University, 4601 Campus Dr. #A-217, Kalamazoo, MI 49008;

    Department of Electrical and Computer Engineering, Western Michigan University, 4601 Campus Dr. #A-217, Kalamazoo, MI 49008;

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