| 金属纳米粒子二聚体组装及其应用 |
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| 引用本文： | 石发兴,谢微.金属纳米粒子二聚体组装及其应用[J].中国科学:化学,2019(11):1377-1384. |
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| 作者姓名： | 石发兴 谢微 |
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| 作者单位： | 南开大学化学学院先进能源材料化学教育部重点实验室 |
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| 基金项目： | 国家自然科学基金(编号:21775074,51601098);天津市自然科学基金(编号:18JCQNJC02400,17JCQNJC05400)资助项目 |
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| 摘 要： | 金属纳米粒子的组装是用来构建更高层次的纳米结构和研究纳米粒子之间构效关系的一种有效手段.作为最简单的组合方式,二聚体提供了一个简洁的模型用于深入研究两个粒子间的相互作用.本文总结了金属纳米二聚体组装中常用的方法,如静电吸附、双巯基分子连接、模板法组装等;讨论了等离激元纳米二聚体在纳米光电子学中表现出的表面等离激元耦合、电子隧穿等效应;介绍了金属纳米二聚体在表面增强拉曼光谱(SERS)和等离激元诱导光催化中的具有代表性的应用.
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| 关 键 词： | 金属纳米粒子 二聚体 等离激元 SERS 光催化 |
Research progress on assembly and application of metal nanoparticle dimers |
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| Faxing Shi,Wei Xie.Research progress on assembly and application of metal nanoparticle dimers[J].Scientia Sinica Chimica,2019(11):1377-1384. |
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| Authors: | Faxing Shi Wei Xie |
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| Institution: | (Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education),College of Chemistry,Nankai University,Tianjin 300071,China) |
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| Abstract: | The assembly of metal nanoparticles is an appealing means to control the structure-activity relationships of nanostructures. Dimer, as a concise model, provides fundamental insights into the interactions between nanoparticles so that it is widely applied in nano-plasmonics, nano-optics, photocatalysis and other fields. This review introduces the general methods for assembling homodimers or heterodimers, discusses the surface plasmon resonance(SPR) coupling of dimers with different gaps, and provides some representative applications in the surface-enhanced Raman scattering(SERS) detection and plasmon-induced photocatalysis. |
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| Keywords: | metal nanoparticles dimer surface plasmon SERS photocatalysis |
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