Related Experiment Video
Updated: Mar 11, 2026
09:58
A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals
Published on: May 10, 2018
10.1K
Assembly and Electronic Applications of Colloidal Nanomaterials
Jian Zhu1, Mark C Hersam1,2
1Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, Illinois, 60208-3108, USA.
Advanced Materials (Deerfield Beach, Fla.)
|November 19, 2016
Summary
Colloidal nanomaterials offer a low-cost route to nanoelectronics via solution processing. This review analyzes their use in transistors, highlighting opportunities and challenges for future electronic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Electronics Engineering
Background:
- Colloidal nanomaterials enable versatile properties for advanced technologies.
- Solution-based processes offer scalable, low-cost nanoelectronics production on various substrates.
Purpose of the Study:
- To systematically review colloidal nanomaterials in electronic applications.
- To analyze semiconductors, conductors, and dielectrics for field-effect transistors.
- To identify opportunities and challenges for future research.
Main Methods:
- Review of colloidal nanomaterials (semiconductors, conductors, dielectrics).
- Analysis of processing steps: synthesis, purification, assembly, integration, testing.
- Utilized field-effect transistor as a platform for comparison.
Main Results:
- Colloidal nanomaterials show promise for large-scale, low-cost nanoelectronics.
- Careful consideration of processing steps is crucial for device performance.
- Comparative analysis reveals specific material categories' strengths and weaknesses.
Conclusions:
- Colloidal nanomaterials present significant opportunities for next-generation electronics.
- Addressing remaining challenges in processing and integration is key.
- This work provides a roadmap for advancing colloidal nanomaterial-based electronics.
Related Concept Videos
01:29The Colloidal State
64
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...
64
01:09Colloidal precipitates
6.7K
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...
6.7K
01:06Coagulation
1.6K
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...
1.6K
03:22Colloids
21.8K
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...
21.8K