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首页> 外文期刊>Journal of nanoscience and nanotechnology >Carboxylate and Amino Group Coated Silver Nanoparticles as Joining Materials for Copper-to-Copper Silver Joints
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Carboxylate and Amino Group Coated Silver Nanoparticles as Joining Materials for Copper-to-Copper Silver Joints

机译：羧酸盐和氨基基团包覆的银纳米粒子作为铜-铜银接头的连接材料

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摘要

Organic silver complexes are introduced where silver is linked either with a carboxyl group or with an amino group. Upon heating, nanoparticles are generated if the respective ligands are long enough to act as stabilizing agents in the nanoparticulate regime. With decomposition and volatilization of the organic material, the sintering of silver occurs. The thermal characteristics of the carboxylates silver-n-octanoate, silver-n-decanoate, and AgOOC(CH_2OCH_2)_2CH_2OCH_3 are compared with silver-n-alkylamines (n = 8, 9, and 12), and their thermal behavior is discussed based on thermogravimetry (TG) measurements. The consecutive stages of a metallization process are addressed based on the properties of AgOOC(CH_2OCH_2)_2CH_2OCH_3, and the usable effects of the individual phases of this metal organic compound are analyzed by cross-sectional scanning electron microscope (SEM) images of silver joints. Selection criteria are addressed based on the thermal behavior. A mechanism for the joining process is proposed, considering formation and sintering of the nanoparticles. It was found that the bulk material can be used for low-temperature joining processes. Strong adherence to copper as a basic material can be achieved.
机译：引入有机银配合物，其中银与羧基或氨基连接。加热时，如果各自的配体足够长以在纳米颗粒方案中充当稳定剂，则会生成纳米颗粒。随着有机材料的分解和挥发，发生了银的烧结。将羧酸正辛酸银，正癸酸银和AgOOC（CH_2OCH_2）_2CH_2OCH_3的热特性与银正烷基胺（n = 8、9和12）进行了比较，并讨论了它们的热行为。热重（TG）测量根据AgOOC（CH_2OCH_2）_2CH_2OCH_3的性质，探讨了金属化过程的后续阶段，并通过银接头的截面扫描电子显微镜（SEM）图像分析了该金属有机化合物各相的可用效果。根据热行为解决选择标准。考虑到纳米颗粒的形成和烧结，提出了一种连接过程的机理。发现该块状材料可用于低温接合过程。可以实现对铜作为基本材料的强附着力。

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