表面增强拉曼是用通常的拉曼光谱法测定吸附在胶质金属颗粒如银、金或铜表面的样品,或吸附在这些金属片的粗糙表面上的样品。尽管原因尚不明朗,人们发现被吸附的样品其拉曼光谱的强度可提高103-106倍。如果将表面增强拉曼与共振拉曼结合,光谱强度的净增加几乎是两种方法增强的和。检测限可低至10-9-10-12摩尔/升。表面...
However, the relatively low enhancement sensitivity of semiconductor materials is still a problem to be solved urgently. Herein, high-performance enhancement of Raman scattering is achieved through hierarchical CuS microflowers. Simultaneously based on electromagnetic near-filed effect and charge transfer ...
1. 表面增强拉曼散射 表面增强拉曼散射(surface enhanced Raman Scattering):当 物质分子吸附在一些特定的金属表面时,分子的拉曼散 射强 … www.docin.com|基于18个网页 2. 表面强化喇曼散射 物理专业词汇英语... ... surface energy 表面能surface enhanced raman scattering表面强化喇曼散射surface etching 表面腐蚀...
中文:表面增强拉曼散射;英文:surface-enhanced Raman scattering / SERS的原理;中文:表面增强拉曼散射;英文:surface-enhanced Raman scattering / SERS的定义;中文:表面增强拉曼散射;英文:surface-enhanced Raman scattering / SERS是什么。当物质分子吸附在一些
内容提示: 212.3 表面增強拉曼散射(Surface-Enhanced Raman Scattering , SERS) 在生物/生化與生活科學中,雷射分光鏡法扮演越來越重要的角色。光譜學的應用包括生物/生化的基本研究與疾病診斷和治療控制的新方法之發展。鑑定和結構描述,包含監控分子的結構改變,扮演生物與生化光譜之中心角色。所以,振動光譜的...
surface-enhanced Raman scattering (SERS)electromagnetic enhancement mechanismEM interpretation of SERS using fractal structuresperylenetetracarboxylicdiimide (PTCD)surface roughness and pyridine coveragemix LB layer techniqueSERS intensity and oxidation–reduction cycles (ORCs)...
To explain this phenomenon, they suggested that the enhancement of the ultra-strong Raman signal is not only due to the increase in the number of adsorbed molecules on the surface, but also due to the existence of some kind of Raman scattering enhancement effect of the adsorbed molecules on ...
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Surface-enhanced Raman scattering (SERS) is a fascinating phenomenon within the realm of spectroscopy and nanotechnology that has garnered significant attention for its remarkable sensitivity and wide-ranging applications. This thematic series offers a deep dive into the intricate world of SERS, exploring...
Harald and Katrin Kneipp describe the novel effects that are observable in the extremely high local optical fields produced in silver and gold nanos- tuctures, such as vibrational pumping and surface-enhanced hyper-Raman scattering. Enhancement of resonance Raman scattering and fluorescence by...