Nano-Raman Scattering Microscopy: Resolution and Enhancement,Chemical Reviews

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Nano-Raman Scattering Microscopy: Resolution and Enhancement
Chemical Reviews ( IF 51.4 ) Pub Date : 2017-03-24 00:00:00 , DOI: 10.1021/acs.chemrev.6b00560
Satoshi Kawata ₁ , Taro Ichimura ₂ , Atsushi Taguchi ₁ , Yasuaki Kumamoto ₃

Affiliation

Raman scattering microscopy is becoming one of the hot topics in analytical microscopy as a tool for analyzing advanced nanomaterials, such as biomolecules in a live cell for the study of cellular dynamics, semiconductor devices for characterizing strain distribution and contamination, and nanocarbons and nano-2D materials. In this paper, we review the recent progress in the development of Raman scattering microscopy from the viewpoint of spatial resolution and scattering efficiency. To overcome the extremely small cross section of Raman scattering, we discuss three approaches for the enhancement of scattering efficiency and show that the scattering enhancement synergistically increases the spatial resolution. We discuss the mechanisms of tip-enhanced Raman scattering, deep-UV resonant Raman scattering, and coherent nonlinear Raman scattering for micro- and nanoscope applications. The combinations of these three approaches are also shown as nanometer-resolution Raman scattering microscopy. The critical issues of the structures, materials, and reproducibility of tips and three-dimensionality for TERS; photodegradation for resonant Raman scattering; and laser availability for coherent nonlinear Raman scattering are also discussed.

中文翻译：

纳米拉曼散射显微镜：分辨率和增强

拉曼散射显微术正成为分析显微术中的热门话题之一，它是一种用于分析先进纳米材料的工具，例如用于研究细胞动力学的活细胞中的生物分子，表征应变分布和污染的半导体器件以及纳米碳和纳米2D技术。材料。本文从空间分辨率和散射效率的角度回顾了拉曼散射显微技术的最新进展。为了克服拉曼散射的极小横截面，我们讨论了三种提高散射效率的方法，并表明散射增强可协同提高空间分辨率。我们讨论了尖端增强拉曼散射，深紫外共振拉曼散射，和相干非线性拉曼散射，用于微观和纳米应用。这三种方法的组合也显示为纳米级拉曼散射显微镜。TERS的结构，材料，针尖的可再现性和三维性的关键问题；用于共振拉曼散射的光降解；还讨论了相干非线性拉曼散射的激光可用性。

更新日期：2017-03-24

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