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The SERS effect in coordination chemistry

机译:SERS在配位化学中的作用

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In gold nanoparticles, coherent oscillations of the electrons in resonance with the exciting radiation generate enhanced local electric fields which can interact with the molecular properties of the adsorbed species, leading to the occurrence of SERS (surface enhanced Raman scattering). In this way, a special kind of spectroscopy is enabled, combining electronic excitation, plasmonics, anomalous light scattering, charge-transfer and resonance Raman phenomena, opening wide perspectives in chemistry, biology, and nanotechnology. The molecular properties probed by SERS reflect the coordination chemistry at the nanoparticles surface, especially the nature of the metal-ligand bonding and the spectroscopic features. By employing selective, multifunctional bridging ligands for simultaneously binding metal ions and nanoparticles, new relevant aspects of the coordination chemistry involved can be investigated under the influence of the plasmon resonance and SERS effects. (C) 2016 Elsevier B.V. All rights reserved.
机译:在金纳米颗粒中,与激发辐射共振的电子的相干振荡产生增强的局部电场,该局部电场可以与吸附物质的分子特性相互作用,从而导致SERS(表面增强拉曼散射)的发生。通过这种方式,可以实现一种特殊的光谱学,它结合了电子激发,等离子体,异常光散射,电荷转移和共振拉曼现象,为化学,生物学和纳米技术开辟了广阔的前景。 SERS探测到的分子性质反映了纳米粒子表面的配位化学,特别是金属-配体键合的性质和光谱特征。通过使用选择性的多功能桥联配体同时结合金属离子和纳米粒子,可以在等离振子共振和SERS效应的影响下研究所涉及的配位化学的新相关方面。 (C)2016 Elsevier B.V.保留所有权利。

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