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| 银纳米线的尺寸和添加量对导电银浆性能的影响 |
| The Impact of the Size and Quantity of AgNWs on the Properties of Silver Paste |
| Received:August 15, 2016 |
| DOI： |
| 中文关键词: 金属材料 导电银浆 银纳米线 方阻 流变性能 |
| 英文关键词: metal materials silver paste AgNWs sheet resistance rheological property |
| 基金项目: |
| Author Name | Affiliation | E-mail | | LIU Keming | College of Aerospace Science, National University of Defense Technology, Changsha 410073, China | lkm_shyj@sina.com | | DU Yongguo | College of Aerospace Science, National University of Defense Technology, Changsha 410073, China | nudtdyg@126.cn | | YU Cuijuan | College of Aerospace Science, National University of Defense Technology, Changsha 410073, China | | | CHEN Shimin | College of Aerospace Science, National University of Defense Technology, Changsha 410073, China | |
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| 中文摘要: |
| 采用化学还原法制备了3种银纳米线，研究了银纳米线的添加量、直径和长度对银浆固化膜层导电性能及银浆流变性能的影响，并探索其作用机理。结果表明，由于银纳米线的电子导通桥梁作用和纳米尺寸效应的影响，添加少量(0.05%~0.2%)的银纳米线即可显著提高银浆固化膜层的导电性能，直径越细的银纳米线对银浆固化膜层导电性能的提升作用更明显。银纳米线的加入会影响银浆的流变性能。 |
| 英文摘要: |
| Three Ag nanowires (AgNWs) of different lengths and diameters were prepared by the chemical reduction method, and then added into silver paste. The influence of the amount, diameter and length of AgNWs added to the silver paste were studied, and the reaction mechanism was discussed. The addition of AgNWs at a certain percentage (0.05%~0.2%) will lower the sheet resistance of silver paste curing film，owing to the electron-connecting and nanoscale effect produced by AgNWs. And AgNWs with a small diameter will obviously improve the conductivity. However, the addition of AgNWs will reduce the recovery capability of silver paste. |
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