| Fe2O3/Au/Ag磁性核壳纳米粒子的制备及其SERS研究 |
| |
| 引用本文： | 韩三阳,姚建林,陈帅,鲍芳,顾仁敖.Fe2O3/Au/Ag磁性核壳纳米粒子的制备及其SERS研究[J].光散射学报,2009,21(4):286-289. |
| |
| 作者姓名： | 韩三阳 姚建林 陈帅 鲍芳 顾仁敖 |
| |
| 作者单位： | 苏州大学材料与化学化工学部,苏州,215123 |
| |
| 基金项目： | 国家自然科学基金，江苏省自然科学基金，教育部博士点(20050285019)基金 |
| |
| 摘 要： | 本文介绍了一种制备多功能磁性Fe2O3/Au/Ag纳米粒子的简捷方法, 制备的粒子直径大约在100 nm左右, 采用UV-vis和SEM对该结构进行了表征。并通过调节硝酸银的用量, 制备了一系列具有不同壳层厚度和表面结构的多重核壳纳米粒子。以苯硫酚(TP)为探针分子, 研究了不同银壳厚度的磁性纳米粒子的表面增强拉曼散射(SERS)活性。结果表明随Ag:Au比例的不断增加, 其SERS活性呈现先增大后减小的趋势, 这与表面结构的改变有关。
|
| 关 键 词： | 磁性 核壳纳米粒子 光学性质 表面增强拉曼光谱 |
| 收稿时间： | 2009/5/30 |
A Facile Approach to Fabricate Multifunctional Magnetic Fe_2O_3/Au/Ag Hybrid Nanostructures and SERS Studies |
| |
| HAN San-yang,YAO Jian-lin,CHEN Shuai,BAO Fang,GU Ren-ao.A Facile Approach to Fabricate Multifunctional Magnetic Fe_2O_3/Au/Ag Hybrid Nanostructures and SERS Studies[J].Chinese Journal of Light Scattering,2009,21(4):286-289. |
| |
| Authors: | HAN San-yang YAO Jian-lin CHEN Shuai BAO Fang GU Ren-ao |
| |
| Institution: | HAN San-yang,YAO Jian-lin,CHEN Shuai,BAO Fang,GU Ren-ao*(College of Chemistry,Chemical Engineering and Materials Science,Soochow University,Suzhou 215123,China) |
| |
| Abstract: | A facile approach was developed to fabricate novel multifunctional magnetic Fe2O3/Au/Ag nanostructures with the diameter of about 100 nm.The nanoparticles were characterized by UV-vis and SEM.The Fe2O3/Au/Ag hybrid nanoparticles with different Ag shell thickness were prepared by adjusting the amount of the AgNO3.By using thiophenol(TP) as probe molecule,the surface enhanced Raman scattering(SERS) effect was examined on different magnetic core multi-shell nanoparticles.The results revealed that the SERS inte... |
| |
| Keywords: | magnetism core/shell nanoparticles optical properties surface enhanced Raman spectroscopy |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
