首页> 外文会议>International Conference on Recrystallization and Grain Growth(ReX amp; GG III); 20070610-15; Jeju Island(KR) >Characteristic Microstructure Evolution of Polycrystalline Ag Films Prepared from Ink-Jetted Ag Nanoparticle Suspension
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Characteristic Microstructure Evolution of Polycrystalline Ag Films Prepared from Ink-Jetted Ag Nanoparticle Suspension

机译:喷墨Ag纳米颗粒悬浮液制备多晶Ag薄膜的特征微观结构演变

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Use of silver (Ag) nanoparticle suspension for various applications such as ink-jet printing of electronic circuits has been of prime interest. We observed the microstructure evolution of the inkjet-printed Ag thin films on Si substrates under various annealing conditions using the field-emission scanning electron microscopy (FE-SEM). Abnormal grain growth characteristics were identified when annealed at about 240 ℃ under ambient air. Growth characteristics of pores were found to be in accordance with that of grains. Competition between grain and pore growth is attributed to small grain sizes, low packing density and high porosity, which are characteristic of inkjet-printed Ag films as dried.
机译:银(Ag)纳米颗粒悬浮液在各种应用(例如电子电路的喷墨印刷)中的使用已引起人们的极大兴趣。我们使用场发射扫描电子显微镜(FE-SEM)观察了在各种退火条件下在Si衬底上喷墨印刷的Ag薄膜的微观结构演变。在环境空气中约240℃退火时,发现晶粒生长异常。发现孔的生长特征与谷物的生长特征一致。晶粒与孔隙生长之间的竞争归因于晶粒小,堆积密度低和孔隙率高,这是干燥后喷墨印刷的Ag膜的特征。

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