| Fe3O4@Au纳米星颗粒作为循环SERS基底用于农药残留物的检测 |
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| 引用本文： | 丁倩倩,顾涛,董荣录. Fe3O4@Au纳米星颗粒作为循环SERS基底用于农药残留物的检测[J]. 光散射学报, 2020, 0(1): 58-62 |
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| 作者姓名： | 丁倩倩 顾涛 董荣录 |
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| 作者单位： | ;1.苏州工业职业技术学院;2.中国科学技术大学;3.中科院合肥物质研究院 |
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| 基金项目： | 江苏省高级访问工程师计划项目(2019QYSJPX217);苏州工业职业技术学院博士科研启动项目(2019kyqd003);苏州工业职业技术学院科研课题(SGYKJ201732)。 |
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| 摘 要： | 本文首先采用共沉淀的方法制备了Fe3O4纳米颗粒,随后经柠檬酸钠和对苯二酚还原氯金酸的方法在Fe3O4纳米颗粒的表面生成刺状Au纳米结构,进而获得Fe3O4@Au纳米星颗粒。该Fe3O4@Au纳米星颗粒作为SERS基底,用作农药残留物福美双和敌瘟磷的检测。由于高密度的Au纳米结构的尖端效应,该基底显示出高敏感的SERS活性。最后利用Fe3O4纳米颗粒的磁性,将其用于循环SERS测试,研究了其循环使用特性。
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| 关 键 词： | Fe3O4@Au纳米星 表面增强拉曼光谱 农药残留物 高敏感 循环SERS基底 |
Fe_3O_4@Au nanostar as reproducible SERS substrates for the detection of pesticide residues |
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| DING Qianqian,GU Tao,DONG Ronglu. Fe_3O_4@Au nanostar as reproducible SERS substrates for the detection of pesticide residues[J]. Chinese Journal of Light Scattering, 2020, 0(1): 58-62 |
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| Authors: | DING Qianqian GU Tao DONG Ronglu |
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| Affiliation: | (Department of Precision Manufacturing Engineering, Suzhou Vocational Institute of Industrial Technology, Suzhou 215104, China;Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China;Chinese Academy of Sciences, Hefei 230031,P.R.China) |
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| Abstract: | In this paper,Fe3O4 nanoparticles were prepared by co-precipitation method.And then the spiny Au nanostructures were formed on the surface of Fe3O4 nanoparticles by sodium citrate and hydroquinone reduction of chloroauric acid.The Fe3O4@Au nanostars as Surface-enhanced Raman spectroscopy(SERS)substrate used for thiram pesticide and ediphenphos detection.Due to high-density Au nanotip,the Fe3O4@Au nanostars exhibited high-sensitivity SERS activity.Additionally,this SERS substrate based on Fe3O4@Au nanostars can be found to be recyclable in virtue of the magnetic properties of Fe3O4 nanoparticles. |
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| Keywords: | Surface-enhanced Raman spectroscopy Fe3O4@Au nanostar Pesticide residue detection High-sensitivity Reproducible SERS substrates |
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