Topic
Raman spectroscopy
About: Raman spectroscopy is a research topic. Over the lifetime, 122605 publications have been published within this topic receiving 2891083 citations. The topic is also known as: Raman Spectrum Analysis & spectrum Analysis, Raman.
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TL;DR: In this article, the authors propose a model to rationalise the vast range of experimental data available in literature at any excitation wavelength by a simple model, which considers the main factors influencing the Raman spectra.
483 citations
TL;DR: A way to extend the capabilities of plasma-enhanced chemical vapour deposition to the synthesis of freestanding few-layer graphene is presented and the resulting graphene flakes are aligned vertically to the substrate surface and grow according to a three-step process.
Abstract: If graphene is ever going to live up to the promises of future nanoelectronic devices, an easy and cheap route for mass production is an essential requirement. A way to extend the capabilities of plasma-enhanced chemical vapour deposition to the synthesis of freestanding few-layer graphene is presented. Micrometre-wide flakes consisting of four to six atomic layers of stacked graphene sheets have been synthesized by controlled recombination of carbon radicals in a microwave plasma. A simple and highly reproducible technique is essential, since the resulting flakes can be synthesized without the need for a catalyst on the surface of any substrate that withstands elevated temperatures up to 700 °C. A thorough structural analysis of the flakes is performed with electron microscopy, x-ray diffraction, Raman spectroscopy and scanning tunnelling microscopy. The resulting graphene flakes are aligned vertically to the substrate surface and grow according to a three-step process, as revealed by the combined analysis of electron microscopy and x-ray photoelectron spectroscopy.
483 citations
TL;DR: In this paper, the results of Raman scattering studies of nanocrystalline CeO 2 thin films are presented using the spatial correlation model from which the correlation length has been determined as a function of grain size.
483 citations
Book•
01 Jan 1994
TL;DR: In this paper, the basic physical properties phase diagrams electrical properties band structure optical functions infra-red absorption and impurity energy levels photoluminescence and cathodoluminecence Raman and reflection spectra interfaces including heterojunctions.
Abstract: Basic physical properties phase diagrams electrical properties band structure optical functions infra-red absorption and impurity energy levels photoluminescence and cathodoluminescence Raman and reflection spectra interfaces including heterojunctions.
482 citations
TL;DR: In this review, recent developments in SERS spectroscopy are discussed and their impact on different research fields are discussed.
Abstract: Raman spectroscopy is a valuable tool in various research fields. The technique yields structural information from all kind of samples often without the need for extensive sample preparation. Since the Raman signals are inherently weak and therefore do not allow one to investigate substances in low concentrations, one possible approach is surface-enhanced (resonance) Raman spectroscopy. Here, rough coin metal surfaces enhance the Raman signal by a factor of 10(4)-10(15), depending on the applied method. In this review we discuss recent developments in SERS spectroscopy and their impact on different research fields.
481 citations