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Related Concept Videos

Surface Tension and Surface Energy01:16

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When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
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Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
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Accurate Determination of the Equilibrium Surface Tension Values with Area Perturbation Tests
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Quantifying interfacial substrate interactions via surface energy analyses.

T Brian Cavitt1, Jasmine G Carlisle1, Rachel A Brooks1

  • 1Department of Chemistry and Biochemistry, Lipscomb University, One University Park Drive, Nashville, TN 37217 USA.

STAR Protocols
|May 17, 2021
PubMed
Summary

This study presents a simple goniometric method to determine a substrate's surface energy profile. This profile predicts interfacial interactions and correlates with interfacial Gibbs energy (ΔG) for various applications.

Keywords:
BiophysicsEnergyMaterial sciencesMicrobiologyPhysics

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Area of Science:

  • Materials Science
  • Surface Chemistry
  • Thermodynamics

Background:

  • Understanding interfacial thermodynamics is crucial for predicting interactions between substances.
  • Surface energy characterization provides insights into material behavior in different environments.

Purpose of the Study:

  • To detail a goniometric protocol for calculating a substrate's surface energy profile.
  • To establish the correlation between surface energy profile and interfacial Gibbs energy (ΔG).
  • To enable prediction of interfacial interactions with other substances.

Main Methods:

  • Utilizing a goniometric method for surface energy profile determination.
  • Applying advanced mathematical calculations for expedited analysis.
  • Referencing established protocols for detailed execution.

Main Results:

  • The goniometric method provides a facile and inexpensive way to determine surface energy profiles.
  • The calculated surface energy profile directly correlates with interfacial Gibbs energy (ΔG).
  • The method enables accurate prediction of interfacial interactions.

Conclusions:

  • The described goniometric protocol is a valuable tool for characterizing substrate surface energy.
  • This method facilitates the understanding and prediction of interfacial phenomena in diverse applications.
  • The protocol aids in the development of materials with tailored interfacial properties.