| 帽状锡纳米粒子的制备及其表面等离子的共振特性 |
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| 引用本文： | 雷新宪,肖桂娜,满石清,杨兴旺.帽状锡纳米粒子的制备及其表面等离子的共振特性[J].物理化学学报,2009,25(1):169-172. |
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| 作者姓名： | 雷新宪 肖桂娜 满石清 杨兴旺 |
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| 作者单位： | Department of Physics, Jinan University, Guangzhou 510632;2.Institute of Nano-Chemistry, Jinan University, Guangzhou 510632 |
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| 基金项目： | 国家自然科学基金，广东省自然科学基金，广东省自然科学基金团队项目，广州市科技计划项目 |
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| 摘 要： | 采用真空热蒸发法在SiO2自组装单层膜上沉积金属锡, 制备了帽状锡纳米结构, 通过扫描电镜(SEM)、原子力显微镜(AFM)、X射线衍射(XRD)仪和Cary 5000紫外-可见-近红外(UV-Vis-NIR)分光光度计对其表面形貌、结构以及光谱特性进行了研究和表征. 结果表明, 制备的复合纳米粒子呈帽状, 表面等离子共振峰位具有明显的可调谐性, 随二氧化硅粒径的增大或锡帽层厚度的增加, 表面等离子共振吸收峰向长波方向移动.
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| 关 键 词： | 帽状锡纳米结构 复合纳米粒子 表面等离子共振 |
| 收稿时间： | 2008-07-28 |
| 修稿时间： | 2008-09-26 |
Synthesis and Surface Plasmonic Resonance of Stannum Nanocaps |
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| LEI Xin-Xian,XIAO Gui-Na,MAN Shi-Qing,YANG Xing-Wang.Synthesis and Surface Plasmonic Resonance of Stannum Nanocaps[J].Acta Physico-Chimica Sinica,2009,25(1):169-172. |
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| Authors: | LEI Xin-Xian XIAO Gui-Na MAN Shi-Qing YANG Xing-Wang |
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| Institution: | Department of Physics, Jinan University, Guangzhou 510632;2.Institute of Nano-Chemistry, Jinan University, Guangzhou 510632 |
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| Abstract: | Stannum nanocaps were prepared by evaporating Sn on self-assembled monolayer arrays of SiO2 nanoparticles. Surface morphologies, structure, and optical properties of composite nanoparticles were characterized and investigated using scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD) and UV-Vis-NIR spectrophotometer. The results show that the composite nanoparticles are cap-shaped and surface plasmonic resonance absorption peaks move to the near-infrared region as the SiO2 diameter increases and Sn cap thickness increases. |
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| Keywords: | Stannum nanocaps Composite nanoparticles Surface plasmonic resonance |
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