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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

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The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
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Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

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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...
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Applications of IR Spectroscopy: Overview01:11

Applications of IR Spectroscopy: Overview

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The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...
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Molecular Spectroscopy: Absorption and Emission01:14

Molecular Spectroscopy: Absorption and Emission

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Molecules possess discrete energy levels called quantum states. Unlike atoms, which have simpler energy levels, molecules possess additional rotational and vibrational energy levels.  Each energy level is separated by an energy gap, with the gaps between adjacent electronic, vibrational, and rotational levels varying significantly. The three types of energy levels in a diatomic molecule are shown in Figure 1.
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Electrochemistry: Overview01:04

Electrochemistry: Overview

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Electrochemistry is the branch of chemistry that studies the relationship between electrical quantities and chemical reactions, particularly oxidation and reduction. Oxidation is the loss of electrons from a substance, whereas reduction refers to the gain of electrons. A substance with a strong electron affinity is called an oxidizing agent (oxidant), and a reducing agent (reductant) is a species that donates electrons. Oxidation and reduction processes are pivotal to electrochemical reactions,...
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Interaction of EM Radiation with Matter: Spectroscopy01:12

Interaction of EM Radiation with Matter: Spectroscopy

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Electromagnetic (EM) radiation can be considered an oscillating electric and magnetic field propagating through a medium that can interact with matter in its path. The electric field in the radiation can interact with electrical charges in the atoms or molecules in the matter. On the other hand, the magnetic field can interact with the magnetic field in the atomic nucleus. The study of the interaction between electromagnetic radiation and matter is termed spectroscopy. Spectroscopy is the study...
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Electrochemistry of Carbon Materials: Progress in Raman Spectroscopy, Optical Absorption Spectroscopy, and

Marianna V Kharlamova1, Christian Kramberger2

  • 1Centre for Advanced Materials Application (CEMEA) of Slovak Academy of Sciences, Dúbravská cesta 5807/9, 845 11 Bratislava, Slovakia.

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This study explores carbon materials in electrochemistry, detailing electrochemical doping, spectroelectrochemistry, and functionalization. Applications in batteries, supercapacitors, sensors, and nanoelectronics are presented.

Keywords:
Raman spectroscopycarbon nanotubeelectrochemistryoptical absorption spectroscopyspectroelectrochemistryvoltamerometry

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Area of Science:

  • Electrochemistry
  • Materials Science

Background:

  • Carbon materials are crucial in electrochemical applications.
  • Understanding their properties through spectroelectrochemistry is vital.

Purpose of the Study:

  • To discuss the applications of carbon materials in electrochemistry.
  • To explore spectroelectrochemical investigations and chemical functionalization.

Main Methods:

  • Spectroelectrochemistry, including Raman spectroscopy and optical absorption.
  • Experiments in various electrolyte solutions (aqueous, acetonitrile, ionic liquids) and on different substrates.
  • Chemical functionalization of carbon nanotubes.

Main Results:

  • Detailed spectroelectrochemical behavior of carbon materials.
  • Impact of electrolyte and substrate on material properties.
  • Demonstrated applications in energy storage and sensing devices.

Conclusions:

  • Carbon materials exhibit versatile electrochemical properties.
  • Functionalization enhances performance for specific applications.
  • Carbon materials are promising for advanced electrochemical devices.