拉曼散射
等离子体子
分子
拉曼光谱
激发态
分析物
化学
纳米技术
离子
表面等离子体子
非弹性散射
表面增强拉曼光谱
材料科学
光谱学
散射
光电子学
原子物理学
物理化学
光学
物理
有机化学
量子力学
作者
Ramón A. Álvarez‐Puebla,Luis M. Liz‐Marzán
标识
DOI:10.1002/anie.201204438
摘要
Abstract Surface‐enhanced Raman scattering (SERS) is one of the most straightforward applications of the so‐called nanoplasmonics. This powerful molecular spectroscopy technique is based on the enhancement of the inelastic scattering from molecules located near nanostructured metallic surfaces when these are illuminated and surface plasmons are excited. The analytical applications of SERS are hindered when the Raman cross‐section of the analyte is too low, which is often the case in inorganic molecular species. This problem is even more serious when atomic species are to be identified, since these cannot display a vibrational signal. Herein we discuss the recent advancements toward the SERS detection of small inorganic compounds, including both molecular and atomic species.
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