nanotubes

Nanotech

Raman and Nanotechnology

The characterization of carbon nanotubes and graphene can be rapidly done using Raman spectroscopy, which has the ability to distinguish between the various structures of the single-walled nanotubes. The number of layers in a nanomaterial can also be determined by the use of Raman spectroscopy, as can the order of the materials. Analysis of nanomaterials for purity and quality can also be achieved by Raman spectroscopy.

Carbon Raman Spectra

Products

i-Raman® Plus

Highly Sensitive, High Resolution Fiber Optic Raman System

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i-Raman® Pro

Deep Cooled, Highly Sensitive, High Resolution Fiber Optic Raman System

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Portable Carbon Raman Analyzer

i-Raman® Pro-HT-532

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i-Raman® Pro-ST

Portable Raman Analyzer for Rapid Analysis and Identification Through Opaque Barriers

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i-Raman® EX

1064nm Fiber Optic Raman System

i-RamanEX_200

BWIQ®

Chemometric Software

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Application Notes

Carbon black is a form of amorphous carbon. It is mainly used as reinforcement filler in automobile tires and other rubber products, but is also used in pigments, paint, and carbon paper. Raman spectroscopy is a very effective analytical technology to characterize carbon materials. The fast characterization of carbon black material using Raman spectroscopy is discussed here to demonstrate that Raman technology is well suited for carbon black material characterization.
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Raman spectroscopy has proven to be an effective technology to characterize conductive polymers in combination with conventional electrochemical experiments. Coupled with electrochemical techniques, it allows in-situ characterization of the molecular structure changes of polymers during the course of electrochemical reactions.
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Various different allotropes of carbon such as graphite, diamond and amorphous carbon can be analyzed using Raman spectroscopy. Even more advanced allotropes such as carbon nanotubes (carbon with a cylindrical nanostructure) and graphene (crystalline with 2 dimensional properties) can be effectively analyzed using Raman spectroscopy.
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Quality control in the food industry is a key issue that requires rapid, efficient and selective methods that could discriminate the products, detect fraudulent or accidental adulterations, and identify the content of some biomarkers within a particular process of storage conditions. For this, Raman spectroscopy in conjunction with the optical properties of metallic nanostructures is a powerful technique that can be implemented in food analysis.
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Graphene is the revolutionary carbon nanomaterial made up of honeycomb carbon atoms known for its unique characteristics and vast number of uses. In this application note, our i-Raman® Pro HT is used to quickly and efficiently analyze different carbon nanomaterials, including graphene, demonstrating our technology’s ability to accurately gather critical information needed by the manufacturers.
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Raman spectroscopy is an ideal analytical tool for nondestructive analysis of carbon nanomaterials. B&W Tek’s Carbon Raman Analyzer (CRA) is a portable Raman system with 532nm laser excitation and a fiber-optic sampling probe for at-line or on-line measurements for material characterization, product quality control, and process monitoring. It is ideal for materials in powdered forms, with no need for sample preparation.
Learn more about the carbon Raman analyzer
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