| 金@银核壳纳米粒子的制备和形貌的精确控制及其表面增强拉曼光谱性能 |
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| 引用本文： | 刘晓宇,张东杰,张慧娟,张丛筠,刘亚青.金@银核壳纳米粒子的制备和形貌的精确控制及其表面增强拉曼光谱性能[J].无机化学学报,2018,34(4):712-718. |
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| 作者姓名： | 刘晓宇 张东杰 张慧娟 张丛筠 刘亚青 |
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| 作者单位： | 中北大学功能纳米复合材料山西省重点实验室, 太原 030051,中北大学功能纳米复合材料山西省重点实验室, 太原 030051,中北大学功能纳米复合材料山西省重点实验室, 太原 030051,中北大学功能纳米复合材料山西省重点实验室, 太原 030051,中北大学功能纳米复合材料山西省重点实验室, 太原 030051 |
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| 基金项目： | 山西省青年科学家自然科学基金（No.2015021078）项目资助。 |
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| 摘 要： | 用种子生长法制备了金@银核壳结构的纳米粒子。在制备过程中通过控制氯金酸的浓度和硝酸银的体积,得到了不同粒径的金核和不同厚度的银壳构成的核壳纳米粒子。从而得到了具有不同SERS性能的金@银核壳纳米粒子。选取具有最佳SERS性能的金@银核壳纳米粒子实现了对罗丹明6G的微量检测。
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| 关 键 词： | 金@银核壳纳米粒子 表面增强拉曼光谱 罗丹明6G |
| 收稿时间： | 2017/7/5 0:00:00 |
| 修稿时间： | 2017/9/12 0:00:00 |
Synthesis of Au@Ag Core-Shell Nanoparticles for Sensitive Surface-Enhanced Raman Scattering by Precisely Adjust Its Morphology |
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| LIU Xiao-Yu,ZHANG Dong-Jie,ZHANG Hui-Juan,ZHANG Cong-Yun and LIU Ya-Qing.Synthesis of Au@Ag Core-Shell Nanoparticles for Sensitive Surface-Enhanced Raman Scattering by Precisely Adjust Its Morphology[J].Chinese Journal of Inorganic Chemistry,2018,34(4):712-718. |
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| Authors: | LIU Xiao-Yu ZHANG Dong-Jie ZHANG Hui-Juan ZHANG Cong-Yun and LIU Ya-Qing |
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| Institution: | Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China,Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China,Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China,Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China and Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China |
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| Abstract: | Au@Ag core-shell nanoparticles were prepared by seed-mediated growth method. The plasmon resonance properties of the core-shell nanoparticles are highly dependent on the size and shape of the core and thickness of the shell, which could be simply adjusted by varying the concentration of HAuCl4 and the volume of AgNO3. The prepared core-shell nanoparticles exhibit excellent SERS performance as substrate to detect rhodamine 6G (R6G). In addition, the precise control of core-shell morphologies (core size and shape, the thickness of the shell) is of significant importance as it strongly determines the overall SERS performance in micro chemical detection. |
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| Keywords: | Au@Ag core-shell nanoparticles SERS rhodamine 6G |
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