| 液相法制备纳米钯粉的工艺研究 |
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| 引用本文： | 马喜宏,张文栋.液相法制备纳米钯粉的工艺研究[J].中北大学学报,2008,29(2):176-179. |
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| 作者姓名： | 马喜宏 张文栋 |
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| 作者单位： | 中北大学电子测试技术国家重点实验室 山西太原030051 |
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| 摘 要： | 采用液相法,以Pd粉为原料,分别用HCHO,HCOOM,C2H4H2O作还原剂,把钯还原成纳米粉末。通过控制反应体系的pH值、浓度、温度及还原剂的种类和还原时间来控制粉末的粒径大小及其分布.实验结果表明:利用本法制备的Pd粉粒径在9 nm~20 nm,粒度分布均匀而且重现性好,适用于制造钯银导体浆料.
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| 关 键 词： | 还原反应 体系浓度 比表面积 平均粒度 纳米钯粉 |
| 文章编号： | 1673-3193(2008)02-0176-04 |
| 修稿时间： | 2007年6月29日 |
Research on the Preparation Technique of Nano Pd Powder by Liquid-Phase Method |
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| MA Xi-hong,ZHANG Wen-dong.Research on the Preparation Technique of Nano Pd Powder by Liquid-Phase Method[J].Journal of North University of China,2008,29(2):176-179. |
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| Authors: | MA Xi-hong ZHANG Wen-dong |
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| Abstract: | Based on liquid-phase method,the ultra-fine Pd powder was deoxidized from Pd (NO3)2 by using HCHO,HCOOM,C2H4H2O as reducing agent.The particle size and distribution of the Pd powder were controlled by adjusting pH value,concentration and the temperature of reaction system,the variety of reducer and the reaction velocity.The results indicate that the Pd powder with the diameter from 9 nm to 20 nm by this method has the characters of small granularity,small surface area,good uniformity and reproducibility.The method is applicable to the manufacture of Pd/Ag conductive paste. |
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| Keywords: | deoxidize-reaction system concentration ratio surface area average granularity nano Pd powder |
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