Silver Conductive Features on Flexible Substrates from a Thermally Accelerated Chain Reaction at Low Sintering Temperatures
Silver Conductive Features on Flexible Substrates from a Thermally Accelerated Chain Reaction at Low Sintering Temperatures
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DOI：
10.1021/am302505j
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发表时间：
2012-12-01
影响因子：
9.5
通讯作者：
Liao, Ying-Chih
中科院分区：
文献类型：
--
作者：
Chen, Shih-Pin;Kao, Zhen-Kai;Liao, Ying-Chih
在这项研究中，开发了一种简单有效的银墨配方，以在较低的烧结温度下在柔性衬底上生成高导电性的银迹。二乙醇胺(DEA)是一种在中温下自氧化的化合物，它与银氨溶液混合形成透明稳定的溶液。经喷墨打印或笔写在塑料片上后，银墨水中的DEA在高于SO C的温度下分解并生成甲醛，甲醛与银氨离子自发反应形成银薄膜。在75℃加热20 mm后，喷墨打印银膜的导电率可达到块体银的26%，并在塑料板上表现出良好的附着力。
In this study, a simple and effective silver ink formulation was developed to generate silver tracks with high electrical conductivity on flexible substrates at low sintering temperatures. Diethanolamine (DEA), a self-oxidizing compound at moderate temperatures, was mixed with a silver ammonia solution to form a clear and stable solution. After inkjet-printed or pen-written on plastic sheets, DEA in the silver ink decomposes at temperatures higher than SO C and generates formaldehyde, which reacts spontaneously with silver ammonia ions to form silver thin films. The electrical conductivity of the inkjet-printed silver films can be 26% of the bulk silver after heating at 75 degrees C for 20 mm and show great adhesion on plastic sheets.