Freeform fabrication of metallic patterns by unforced electrohydrodynamic jet printing of organic silver ink
Freeform fabrication of metallic patterns by unforced electrohydrodynamic jet printing of organic silver ink
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DOI：
10.1007/s10854-008-9843-6
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发表时间：
2009-01
期刊：
影响因子：
--
通讯作者：
Ke Wang;M. Paine;J. Stark
中科院分区：
文献类型：
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作者：
Ke Wang;M. Paine;J. Stark
通过使用商业化的银金属有机墨水制造金属图案来演示电流体动力喷射印刷（EHJP）技术。电喷雾以全电压控制的形式操作，但没有气压的辅助辅助。首次通过使用非受迫电喷雾演示了图案基本结构的自由形式沉积。在 250°C 热处理后，能量色散 X 射线光谱证实图案中的主要成分是银。扫描电子显微镜分析表明，制造的图案中存在致密的银微晶。在 100 μm 宽的印刷轨道中获得了 4.34 × 10−8Ωm 的电阻率，接近块状银的理论电阻率。
Electrohydrodynamic jet printing (EHJP) technology was demonstrated by fabricating metallic patterns, using a commercialized silver metallo-organic ink. The electrospray was operated in a full voltage-controlled form but without the auxiliary assistance of gas pressure. The freeform deposition of basic structures of patterns was demonstrated, for the first time, by using the unforced electrospray. After heat treatment at 250 °C, an energy-dispersive X-ray spectrum confirmed that the main composition was silver in the patterns. Scanning electron microscope analysis revealed that dense packed silver crystallites were present in the fabricated patterns. An electrical resistivity of 4.34 × 10−8Ωm, close to the theoretical resistivity of bulk silver, was obtained in the 100 μm-width printed tracks.