Cell Biology JoVE (Open Access) Citable · DOI

Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

Name: Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
Uploaded: 2026-07-14
Duration: 11 min 44 s
Description: Cyclic voltammetry (CV) is a technique used in the analysis of organic compounds. When this technique is combined with electron paramagnetic resonance ...

DOI: 10.3791/56656-v

What you'll learn

✓ Perform cyclic voltammetry measurements to characterize redox properties of organic compounds
✓ Conduct UV-Vis-NIR spectroelectrochemical analysis during electrochemical oxidation/reduction
✓ Apply electron paramagnetic resonance spectroelectrochemistry to detect radical species

Protocol

Biopharma Insights In this article, we describe electrochemical, electron paramagnetic resonance, and ultraviolet-visible and near-infrared spectroelectrochemical methods to analyze organic compounds for application in organic electronics.

Difficulty

advanced

Total time

~4–8 hours per compound (dependent on equilibration and spectral acquisition)

Steps

Perform cyclic voltammetry measurements

Set up electrochemical cell and acquire cyclic voltammograms to determine redox potentials and electron transfer kinetics of organic compounds. Establish baseline electrochemical behavior and identify oxidation/reduction peaks.

▶ 00:46

Conduct UV-Vis-NIR spectroelectrochemical measurements

Combine UV-visible and near-infrared spectroscopy with electrochemical control to monitor optical absorption changes during redox cycling. Correlate electronic transitions with electrochemical potential.

▶ 04:45

Perform electron paramagnetic resonance spectroelectrochemistry

Apply EPR spectroscopy coupled with electrochemical potential control to detect and characterize radical intermediates and unpaired electrons generated during compound oxidation or reduction.

▶ 07:00

Analyze integrated spectroelectrochemical results

Integrate data from cyclic voltammetry, UV-Vis-NIR, and EPR measurements to characterize electronic structure, redox mechanisms, and radical formation relevant to organic electronics applications.

▶ 09:27

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