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纳米层阵列具有受控的10nm以下间隙作为表面增强的Raman光谱学基板

Hui Wang1, Carly S Levin, Naomi J Halas

  • 1Department of Chemistry, Rice University, Houston, Texas 77005, USA.

Journal of the American Chemical Society
|October 27, 2005
PubMed
概括

我们开发了一种具有成本效益的化学方法,以创建具有小间隙的金纳米粒子阵列. 这些阵列产生"热点",用于显著的表面增强拉曼光谱 (SERS) 信号增强.

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Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...