| 透射电镜电子束辐照法制备纳米银粒子 |
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| 引用本文： | 李凯,贾晓彤,朱夕彬,孟幻,郭雪清,王英锋,张润杰. 透射电镜电子束辐照法制备纳米银粒子[J]. 纳米科技, 2011, 0(6): 19-22 |
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| 作者姓名： | 李凯 贾晓彤 朱夕彬 孟幻 郭雪清 王英锋 张润杰 |
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| 作者单位： | 首都师范大学化学系,北京100048 |
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| 基金项目： | 首都师范大学科技处博士科研启动基金项目（09224010040）和化学系本科生科研导师基金项目（10530100009） |
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| 摘 要： | 利用透射电镜中的电子柬对银（Ag）前驱体进行辐照，制备纳米Ag颗粒，分析结果表明，用化学还原法制得的Ag粒子的尺寸较大，约500nm，呈现多足结构的团聚状态，以化学还原法制得的Ag粒子作为前驱体，用电子柬辐照可得直径为2—50nm、外形圆形的纳米Ag颗粒，分散性好。
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| 关 键 词： | 纳米Ag粒子 电子柬辐照法 成核-生长机制 |
Preparation of Ag Nanoparticles by Electron Beam Irradiation Method Under TEM |
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| LI Kai,JIA Xiao-tong,ZHU Xi-bin,MENG Huan,GUO Xue-qing,WANG Ying-feng,ZHANG Run-jie. Preparation of Ag Nanoparticles by Electron Beam Irradiation Method Under TEM[J]. , 2011, 0(6): 19-22 |
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| Authors: | LI Kai JIA Xiao-tong ZHU Xi-bin MENG Huan GUO Xue-qing WANG Ying-feng ZHANG Run-jie |
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| Affiliation: | (Department of Chemistry, Capital Normal University, Beijing |
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| Abstract: | Silver nanoparticles were prepared by irradiating Ag precursors with electron beam under transmission electron microscope （TEM）. The results of TEM images showed that Ag precursors, which were obtained by chemical reduction method, were multi-pods structure with the diameter about 500nm, and aggregated together. Spherical and monodispersed Ag NPs with their sizes in the range of 2-50nm were obtainedz from Ag precursors under EBI. The forming process of Ag NPs was explained by the nucleation-growth mechanism. |
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| Keywords: | silver nanoparticles（Ag NPs） EBI method nucleation-growth mechanism |
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