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High-conductivity two-dimensional polyaniline nanosheets and method for fabricating the same
US10475550B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10475550-B2 |
| Application number | US-201815998982-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 20, 2018 |
| Priority date | Apr 16, 2015 |
| Publication date | Nov 12, 2019 |
| Grant date | Nov 12, 2019 |
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Abstract
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The present invention relates to a conductive two-dimensional polyaniline (PANT) nanosheets template. The method comprises polymerizing aniline on an ice surface. The PANI nanosheets show distinctly high current flows of 5.5 mA at 1 V and a high electrical conductivity of 35 S/cm, which mark a significant improvement over previous values on other PANIs reported over the past decades. These improved electrical properties of the PANI nanosheets are attributed to the long-range ordered edge-on π-stacking of the quinoid ring, ascribed to the ice surface-assisted vertical growth of PANI. The PANI nanosheet can be easily transferred onto various types of substrates via float-off from the ice surfaces. In addition, PANI can be patterned into any shape using predetermined masks, and this is expected to facilitate the eventual convenient and inexpensive application of conducting polymers in versatile electronic device forms.
First claim
Opening claim text (preview).
What is claimed is: 1. A highly conductive crystalline nanosheet having an orthorhombic structure in which quinoid rings are arranged in a vertical direction and which has an edge-on π-π stacking of conjugated rings. 2. The highly conductive crystalline nanosheet of claim 1 , which is one doped with an emeraldine salt. 3. The highly conductive crystalline nanosheet of claim 1 , which has an electrical conductivity of 10 S/cm or higher.
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Classifications
Nanoarticles · CPC title
soluble or fusible {(in particular used in injection moulding B29C45/4457)} · CPC title
Electrically-conducting paints {(conductive materials H01B1/00)} · CPC title
- H01B1/128Primary
comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes · CPC title
characterised by the choice of material · CPC title
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- What does patent US10475550B2 cover?
- The present invention relates to a conductive two-dimensional polyaniline (PANT) nanosheets template. The method comprises polymerizing aniline on an ice surface. The PANI nanosheets show distinctly high current flows of 5.5 mA at 1 V and a high electrical conductivity of 35 S/cm, which mark a significant improvement over previous values on other PANIs reported over the past decades. These impr…
- Who is the assignee on this patent?
- Postech Acad Ind Found
- What technology area does this patent fall under?
- Primary CPC classification H01B1/128. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 12 2019 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).