| Preparation of nickel nanoparticles in emulsion |
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| 作者姓名： | 张有贤 付文杰 安学勤 |
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| 作者单位： | [1]College of Resources and Environment, Lanzhou University, Lanzhou 730000, China [2]School of Chemistry and Environment Science, Nanjing Normal University, Nanjing 210097, China |
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| 基金项目： | Acknowledgements The authors thank the College of Chemistry and Chemical Engineering and the College of Resources and Environment of Lanzhou University for their financial support. |
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| 摘 要： | The nickel nanoparticles with different sizes and spherical shape were prepared by the reduction of nickel sulfate with sodium borohydride in the water-in-oil emulsions of water/SDBS（sodium dodecylbenzene sulfonate）/n-pentanol/n-heptane. The effects of aging time, molar ratio of water to SDBS（R） and the concentration of nickel sulfate on the size of particles were studied. The samples were characterized by transmission electron microscopy（TEM） and inductively coupled plasma spectrometry（ICP）. The results show that the average particle size changes from 20 to 40 nm by adjusting aging time （15-30 min） and R （9-11.5）. The concentration of nickel sulfate of 1.0 mol/L is the favorite condition.
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| 关 键 词： | W/O乳剂 镍乳状液 制备方法 稀有金属 |
| 收稿时间： | 2007-03-02 |
| 修稿时间： | 2007-10-08 |
Preparation of nickel nanoparticles in emulsion |
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| ZHANG You-xian,FU Wen-jie,AN Xue-qin.Preparation of nickel nanoparticles in emulsion[J].Transactions of Nonferrous Metals Society of China,2008,18(1):212-216. |
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| Authors: | ZHANG You-xian FU Wen-jie AN Xue-qin |
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| Affiliation: | [1]College of Resources and Environment, Lanzhou University, Lanzhou 730000, China; [2]School of Chemistry and Environment Science, Nanjing Normal University, Nanjing 210097, China |
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| Abstract: | The nickel nanoparticles with different sizes and spherical shape were prepared by the reduction of nickel sulfate with sodium borohydride in the water-in-oil emulsions of water/SDBS(sodium dodecylbenzene sulfonate)/n-pentanol/n-heptane. The effects of aging time, molar ratio of water to SDBS(R) and the concentration of nickel sulfate on the size of particles were studied. The samples were characterized by transmission electron microscopy(TEM) and inductively coupled plasma spectrometry(ICP). The results show that the average particle size changes from 20 to 40 nm by adjusting aging time (15-30 min) and R (9-11.5). The concentration of nickel sulfate of 1.0 mol/L is the favorite condition. |
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| Keywords: | W/O emulsions SDBS nickel nanoparticles |
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