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| Preparation and Structure Characterization of Multi Channel Magnetic Gold Compound Nano-particles (Fe3O4-Au/pSiO2) |
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Received:October 10, 2015
Revised:October 26, 2015
Accepted:October 27, 2015
Published Online:March 21, 2016
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| DOI：10.3969/j.issn.1007-7545.2016.04.013 |
| KeyWord:nano-particles; porous road; magnetization intensity |
| Author | Institution |
| wangjianhui |
内蒙古科技大学 材料与冶金学院 |
| limei |
内蒙古科技大学 材料与冶金学院 |
| zhangxiaowei |
内蒙古科技大学 材料与冶金学院 |
| caohui |
内蒙古稀奥科贮氢合金有限公司 |
| weibo |
内蒙古稀奥科贮氢合金有限公司 |
| liuxinjie |
西安航天精密机电研究所 |
| limeng |
内蒙古稀奥科贮氢合金有限公司 |
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| Abstract: |
| Magnetic composite nano-particles Fe3O4-Au/pSiO2 with gold core-shell structure, good monodisperse, uniform particle size, and average particle diameter of 150 nm were prepared by step-coated method. After etching surface protection, coating layer of nano-particles is of porous channel structure with average pore size of 7.3 nm. Plasmon resonance peaks occurring at 536 nm gold surface indicate that nano-particles have certain light permeability due to existence of multi-hole clad. Saturation magnetization intensity of porous road nano-particles is improved from 36.3 emu/g of non-etched to 49.6 emu/g of etched. |
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