材料科学
铋
扫描电子显微镜
丝网印刷
微晶
电子探针
光学显微镜
微观结构
硅
复合材料
太阳能电池
氧化银
透射电子显微镜
制作
冶金
氯化银
化学工程
电极
纳米技术
光电子学
病理
物理化学
化学
工程类
替代医学
医学
作者
Jung-Ting Tsai,Li‐Kai Lin,Shun‐Tian Lin,Lia Stanciu,Martin Byung‐Guk Jun
标识
DOI:10.1016/j.matdes.2021.109453
摘要
The present work critically investigates the fabrication of metal contacts to advanced applications of bismuth-based oxide glass and screen-printed silver contacts for use in integrated circuits (I.C.s), solar cells, and sensors. Electrode contacts were fabricated by screen printing composite pastes composed of mainly silver powder, Bi2O3 glass powder, and acyclic binder, and then firing the pastes in a belt furnace. The composite films' microstructures after firing at 830–890 °C were observed under various corrosion conditions, and the resulting layers were analyzed with X-ray diffraction (XRD) and the transfer length method (TLM). A series of investigations to determine the influence of Bi2O3 glass in silver paste involved differential thermal analysis (DTA), scanning electron microscopy (SEM), electron probe X-ray microanalysis (EPMA), secondary ion mass spectrometry (SIMS), and transmission electron microscopy (TEM), to determine the effects of Bi2O3 mixed with silver and the efficacy of the resulting metal contacts in I.C. fabrications. Results show that increasing firing temperature and the additive of Bi2O3 glass controlled the silver's melting into the glass and influenced Ag crystallites' precipitation.
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