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Method for dispersing nanoparticles and methods for producing nanoparticle thin films by using the same
US9079244B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9079244-B2 |
| Application number | US-69645107-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 4, 2007 |
| Priority date | Oct 30, 2006 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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Methods for producing nanoparticle thin films are disclosed. According to one of the methods, a nanoparticle thin film is produced by modifying the surface of nanoparticles to allow the nanoparticles to be charged, controlling an electrostatic attractive force between the charged nanoparticles and a substrate and a repulsive force between the individual nanoparticles by a variation in pH to control the number density of the nanoparticles arranged on the substrate.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for producing a nanoparticle thin film, comprising: modifying the surface of nanoparticles to form surface-modified particles; wherein the surface of the nanoparticles are electrically charged by exchanging nonpolar capping molecules on the surface of the nanoparticles for charged materials; dispersing the surface-modified nanoparticles in a buffer solution and removing nanoparticle aggregates therefrom; after the removal of the nanopar…
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- B22F1/145Primary
Operations & Transport · mapped topic
Electricity · mapped topic
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
- B22F1/0088Primary
Operations & Transport · mapped topic
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- What does patent US9079244B2 cover?
- Methods for producing nanoparticle thin films are disclosed. According to one of the methods, a nanoparticle thin film is produced by modifying the surface of nanoparticles to allow the nanoparticles to be charged, controlling an electrostatic attractive force between the charged nanoparticles and a substrate and a repulsive force between the individual nanoparticles by a variation in pH to con…
- Who is the assignee on this patent?
- Choi Seong Jae, Choi Jae Young, Jang Eun Joo, and 6 more
- What technology area does this patent fall under?
- Primary CPC classification B22F1/145. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).