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    • 3. 发明申请
    • Transparent Electroconductive Thin Film and Its Production Method
    • 透明导电薄膜及其制备方法
    • US20100221172A1
    • 2010-09-02
    • US12452579
    • 2008-07-10
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • C01B31/30B05D5/12
    • H01B1/24
    • Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.
    • 提供了一种单壁碳纳米管的透明导电薄膜及其制造方法,其能够进一步提高薄膜的导电性和透光率,并且能够简化薄膜形成工艺。 该方法包括:将混合金属单壁碳纳米管(m-SWNT)和半导体单壁碳纳米管(s-SWNT)的单壁碳纳米管分散在含有沸点为20的胺的胺溶液中, 400℃作为分散剂; 离心或过滤所得分散体以浓缩m-SWNT,从而得到富含m-SWNT的分散体; 并将富含m-SWNT的所得分散体施加到基底上以在其上形成薄膜。
    • 4. 发明授权
    • Transparent electroconductive thin film and its production method
    • 透明导电薄膜及其制备方法
    • US08425873B2
    • 2013-04-23
    • US12452579
    • 2008-07-10
    • Yutaka MaedaTakeshi Akasaka
    • Yutaka MaedaTakeshi Akasaka
    • D01F9/12B05D5/12
    • H01B1/24
    • Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.
    • 提供了一种单壁碳纳米管的透明导电薄膜及其制造方法,其能够进一步提高薄膜的导电性和透光率,并且能够简化薄膜形成工艺。 该方法包括:将混合金属单壁碳纳米管(m-SWNT)和半导体单壁碳纳米管(s-SWNT)的单壁碳纳米管分散在含有沸点为20的胺的胺溶液中, 400℃作为分散剂; 离心或过滤所得分散体以浓缩m-SWNT,从而得到富含m-SWNT的分散体; 并将富含m-SWNT的所得分散体施加到基底上以在其上形成薄膜。
    • 7. 发明授权
    • Method of carbon nanotube separation, dispersion liquid and carbon nanotube obtained by the separation method
    • 通过分离方法得到的碳纳米管分离方法,分散液和碳纳米管
    • US07884300B2
    • 2011-02-08
    • US11659157
    • 2005-07-29
    • Takeshi AkasakaTakatsugu WakaharaYutaka Maeda
    • Takeshi AkasakaTakatsugu WakaharaYutaka Maeda
    • D01F9/12
    • B82Y30/00Y10S977/751Y10S977/842Y10S977/882Y10S977/895
    • A method of realizing selective separation of metallic single-walled carbon nanotubes and semiconducting carbon nanotubes from bundled carbon nanotubes; and obtaining of metallic single-walled carbon nanotubes separated at high purity through the above method. Metallic single-walled carbon nanotubes are dispersed one by one from bundled carbon nanotubes not only by the use of a difference in interaction with amine between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes due to a difference in electrical properties between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes but also by the use of the fact that an amine is an important factor in SWNTs separation. The thus dispersed carbon nanotubes are subjected to centrifugation, thereby attaining separation from non-dispersed semiconducting carbon nanotubes.
    • 实现金属单壁碳纳米管和半导体碳纳米管从束状碳纳米管的选择性分离的方法; 并通过上述方法获得以高纯度分离的金属单壁碳纳米管。 金属单壁碳纳米管不仅通过在金属单壁碳纳米管和半导体碳纳米管之间与胺的相互作用的差异,从捆扎的碳纳米管逐一分散,这是由于金属单壁碳纳米管之间的电性能差异 碳纳米管和半导体碳纳米管,而且还通过使用胺是SWNT分离中的重要因素的事实。 将这样分散的碳纳米管进行离心,从而获得与非分散的半导体碳纳米管的分离。