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Related Concept Videos

Surface Active Agents01:27

Surface Active Agents

152
Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...
152
Contact Angle01:13

Contact Angle

27.7K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
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Surface Tension, Capillary Action, and Viscosity02:57

Surface Tension, Capillary Action, and Viscosity

28.5K
Surface Tension
The various IMFs between identical molecules of a substance are examples of cohesive forces. The molecules within a liquid are surrounded by other molecules and are attracted equally in all directions by the cohesive forces within the liquid. However, the molecules on the surface of a liquid are attracted only by about one-half as many molecules. Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number...
28.5K
Supercritical Fluid Chromatography01:18

Supercritical Fluid Chromatography

1.5K
Supercritical fluid chromatography (SFC) provides a beneficial substitute for gas chromatography (GC) and liquid chromatography (LC) for certain samples because it merges the top attributes of both techniques. SFC allows the separation and analysis of compounds that GC or LC does not easily manage. These compounds are traditionally nonvolatile or thermally unstable, making GC unsuitable and lacking functional groups required for HPLC analysis.
SFC utilizes a supercritical fluid mobile phase,...
1.5K
Intermolecular Forces03:13

Intermolecular Forces

62.2K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
62.2K
Adhesion01:14

Adhesion

37.0K
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
37.0K

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Updated: Apr 26, 2026

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
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Interfacial material system exhibiting superwettability.

Ye Tian1, Bin Su, Lei Jiang

  • 1Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|July 22, 2014
PubMed
Summary
This summary is machine-generated.

This review explores superwettability, a phenomenon altering surface properties. Understanding and engineering superwettability in materials opens new avenues for environmental and energy applications.

Keywords:
interfacessuperaerophobicitysuperhydrophobicitysuperoleophobicitysuperwettability

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Area of Science:

  • Surface Science
  • Materials Science
  • Interfacial Science

Background:

  • Controlling the wettability of solid materials is a fundamental challenge in surface science.
  • Recent discoveries have revealed diverse superwetting phenomena in nature and experiments.
  • This has led to the development of a comprehensive "superwettability" system.

Purpose of the Study:

  • To summarize and predict various superwetting states within the "superwettability" system.
  • To discuss the fundamental principles governing superwettability, using superhydrophobicity as a primary example.
  • To introduce recent advancements and novel applications of superwettability.

Main Methods:

  • Review of existing literature on superwetting phenomena.
  • Analysis of fundamental rules governing superwettability.
  • Exploration of experimental results and natural occurrences of superwetting.

Main Results:

  • A systematic overview of different superwetting states and their classification.
  • Discussion of key principles underlying superwettability, particularly superhydrophobicity.
  • Identification of emerging applications in gas, water, and oil environments.

Conclusions:

  • Superwettability engineering offers significant potential for creating novel interfacial functions.
  • Combining different superwettability states can lead to unexpected applications in environmental protection, energy, and green industries.
  • Future research directions for the "superwettability" system are outlined.