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Related Concept Videos

The Colloidal State01:29

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...
Colloids03:22

Colloids

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
Colloids and Suspensions01:17

Colloids and Suspensions

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
Colloidal precipitates01:09

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...

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Synthesis and Characterization of Supramolecular Colloids
09:26

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Recent progress on patchy colloids and their self-assembly.

Gi-Ra Yi1, David J Pine, Stefano Sacanna

  • 1Department of Polymer Science and Engineering, Sungkyunkwan University, Suwon, Republic of Korea. yigira@skku.edu

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|April 25, 2013
PubMed
Summary
This summary is machine-generated.

Patchy colloids, engineered particles with directional interactions, enable bottom-up fabrication of functional materials. This review covers their synthesis, self-assembly, and future prospects in materials science.

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Area of Science:

  • Materials Science
  • Colloid Science
  • Nanotechnology

Background:

  • Patchy colloids are engineered particles with specific directional interactions.
  • They enable a bottom-up fabrication approach mimicking molecular bonding.

Purpose of the Study:

  • To review recent advancements in the synthesis and self-assembly of patchy colloids.
  • To discuss future research directions and challenges in the field.

Main Methods:

  • Review of literature on patchy colloid synthesis.
  • Analysis of self-assembly mechanisms and applications.

Main Results:

  • Progress in synthesizing and controlling the self-assembly of patchy colloids.
  • Demonstration of their potential in creating functional materials.

Conclusions:

  • Patchy colloids represent a promising platform for advanced materials design.
  • Further research is needed to overcome challenges in scalable synthesis and complex assembly.