METHOD AND APPARATUS FOR DETERMINING THE LENGTH OF SINGLE-WALLED CARBON NANOTUBES
    1.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING THE LENGTH OF SINGLE-WALLED CARBON NANOTUBES 失效
    用于确定单壁碳纳米管长度的方法和装置

    公开(公告)号:US20050160798A1

    公开(公告)日:2005-07-28

    申请号:US10836551

    申请日:2004-04-30

    摘要: The present invention is directed to at least one method and at least one apparatus for determining the length of single-wall carbon nanotubes (SWNTs). The method generally comprises the steps of: dispersing a sample of SWNTs into a suitable dispersing medium to form a solvent-suspension of solvent-suspended SWNTs; determining the mean SWNT diameter of the solvent-suspended SWNTs; introducing the solvent-suspended SWNTs into a viscosity-measuring device; obtaining a specific viscosity for the SWNT solvent-suspension; and determining the length of the SWNTs based upon the specific viscosity by solving, for example, the Kirkwood-Auer equation corrected by Batchelor's formula for the drag on a slender cylinder for “L,” to determine the length of the SWNTs. The apparatus generally comprises: a SWNT sample introduction mechanism; a dispersal chamber; a SWNT radius-determination chamber; and a viscosity determining chamber, wherein the SWNT sample introduction mechanism, the dispersal chamber, the SWNT radius-determination chamber, and the viscosity determination chamber are each operatively connected to at least one of the others.

    摘要翻译: 本发明涉及用于确定单壁碳纳米管(SWNT)的长度的至少一种方法和至少一种装置。 该方法通常包括以下步骤:将SWNT样品分散到合适的分散介质中以形成溶剂悬浮的SWNT的溶剂 - 悬浮液; 确定溶剂悬浮的SWNT的平均SWNT直径; 将溶剂悬浮的SWNT引入粘度测量装置中; 获得SWNT溶剂 - 悬浮液的比粘度; 以及通过解决例如通过Batchelor公式修正的Kirkwood-Auer方程式来确定SWNTs的长度,以便通过在“L”的细长圆筒上拖动来确定SWNT的长度。 该装置通常包括:SWNT样品引入机构; 分散室; SWNT半径测定室; 和粘度确定室,其中SWNT样品引入机构,分散室,SWNT半径确定室和粘度确定室各自可操作地连接到至少其中之一。

    Methods for solubilizing and separating large fullerenes
    2.
    发明授权
    Methods for solubilizing and separating large fullerenes 失效
    溶解和分离大富勒烯的方法

    公开(公告)号:US08591854B2

    公开(公告)日:2013-11-26

    申请号:US12672605

    申请日:2008-08-08

    IPC分类号: C01B31/00 B82Y40/00 B82Y30/00

    摘要: We have discovered that size dependent solubility of large fullerenes in strong acids is dependent on acid strength. This provides a scalable method for separating large fullerenes by size. According to some embodiments, a method for processing a fullerene starting material comprises large fullerenes comprises mixing the starting material with a first concentrated sulfuric acid solution so as to obtain a first dispersion comprising a first portion of the large fullerenes solubilized in the first concentrated sulfuric acid solution.

    摘要翻译: 我们已经发现大富勒烯在强酸中的尺寸依赖性溶解度取决于酸强度。 这提供了一种用于按大小分离大富勒烯的可扩展方法。 根据一些实施方案,用于处理富勒烯起始材料的方法包括大的富勒烯,包括将起始材料与第一浓硫酸溶液混合,以获得第一分散体,其包含溶解在第一浓硫酸中的第一部分富勒烯 解。

    Methods for Solubilizing and Separating Large Fullerenes
    3.
    发明申请
    Methods for Solubilizing and Separating Large Fullerenes 失效
    溶解和分离大富勒烯的方法

    公开(公告)号:US20110318248A1

    公开(公告)日:2011-12-29

    申请号:US12672605

    申请日:2008-08-08

    IPC分类号: C01B31/00 B82Y40/00 B82Y30/00

    摘要: We have discovered that size dependent solubility of large fullerenes in strong acids is dependent on acid strength. This provides a scalable method for separating large fullerenes by size. According to some embodiments, a method for processing a fullerene starting material comprises large fullerenes comprises mixing the starting material with a first concentrated sulfuric acid solution so as to obtain a first dispersion comprising a first portion of the large fullerenes solubilized in the first concentrated sulfuric acid solution.

    摘要翻译: 我们已经发现大富勒烯在强酸中的尺寸依赖性溶解度取决于酸强度。 这提供了一种用于按大小分离大富勒烯的可扩展方法。 根据一些实施方案,用于处理富勒烯起始材料的方法包括大的富勒烯,包括将起始材料与第一浓硫酸溶液混合,以获得第一分散体,其包含溶解在第一浓硫酸中的第一部分富勒烯 解。

    Method and apparatus for determining the length of single-walled carbon nanotubes
    4.
    发明授权
    Method and apparatus for determining the length of single-walled carbon nanotubes 失效
    用于确定单壁碳纳米管长度的方法和装置

    公开(公告)号:US06962092B2

    公开(公告)日:2005-11-08

    申请号:US10836551

    申请日:2004-04-30

    摘要: The present invention is directed to at least one method and at least one apparatus for determining the length of single-wall carbon nanotubes (SWNTs). The method generally comprises the steps of: dispersing a sample of SWNTs into a suitable dispersing medium to form a solvent-suspension of solvent-suspended SWNTs; determining the mean SWNT diameter of the solvent-suspended SWNTs; introducing the solvent-suspended SWNTs into a viscosity-measuring device; obtaining a specific viscosity for the SWNT solvent-suspension; and determining the length of the SWNTs based upon the specific viscosity by solving, for example, the Kirkwood-Auer equation corrected by Batchelor's formula for the drag on a slender cylinder for “L,” to determine the length of the SWNTs. The apparatus generally comprises: a SWNT sample introduction mechanism; a dispersal chamber; a SWNT radius-determination chamber; and a viscosity determining chamber, wherein the SWNT sample introduction mechanism, the dispersal chamber, the SWNT radius-determination chamber, and the viscosity determination chamber are each operatively connected to at least one of the others.

    摘要翻译: 本发明涉及用于确定单壁碳纳米管(SWNT)的长度的至少一种方法和至少一种装置。 该方法通常包括以下步骤:将SWNT样品分散到合适的分散介质中以形成溶剂悬浮的SWNT的溶剂 - 悬浮液; 确定溶剂悬浮的SWNT的平均SWNT直径; 将溶剂悬浮的SWNT引入粘度测量装置中; 获得SWNT溶剂 - 悬浮液的比粘度; 以及通过解决例如通过Batchelor公式修正的Kirkwood-Auer方程式来确定SWNTs的长度,以便通过在“L”的细长圆筒上拖动来确定SWNT的长度。 该装置通常包括:SWNT样品引入机构; 分散室; SWNT半径测定室; 和粘度确定室,其中SWNT样品引入机构,分散室,SWNT半径确定室和粘度确定室各自可操作地连接到至少其中之一。

    FLOW DIELECTROPHORETIC SEPARATION OF SINGLE WALL CARBON NANOTUBES
    9.
    发明申请
    FLOW DIELECTROPHORETIC SEPARATION OF SINGLE WALL CARBON NANOTUBES 有权
    单壁碳纳米管的流动电介质分离

    公开(公告)号:US20090283405A1

    公开(公告)日:2009-11-19

    申请号:US12281444

    申请日:2007-03-02

    IPC分类号: C02F1/469

    摘要: According to some embodiments, a method for separating a first fraction of a single wall carbon nanotubes and a second fraction of single wall carbon nanotubes includes, but is not limited to: flowing a solution comprising the nanotubes into a dielectrophoresis chamber; applying a DC voltage, in combination with an AC voltage, to the dielectrophoresis chamber; and collecting a first eluent from the dielectrophoresis chamber, wherein the first eluent comprises the first fraction and is depleted of the second fraction, wherein the first and second fractions differ by at least one of conductivity, diameter, length, and combinations thereof.

    摘要翻译: 根据一些实施方案,用于分离单壁碳纳米管和第二部分单壁碳纳米管的第一部分的方法包括但不限于:将包含纳米管的溶液流动到介电电泳室中; 将DC电压与AC电压组合施加到介电电泳室; 以及从所述介电电泳腔室收集第一洗脱液,其中所述第一洗脱液包含所述第一馏分并且耗尽所述第二馏分,其中所述第一和第二馏分通过传导率,直径,长度及其组合中的至少一个而不同。

    Flow dielectrophoretic separation of single wall carbon nanotubes
    10.
    发明授权
    Flow dielectrophoretic separation of single wall carbon nanotubes 有权
    单壁碳纳米管的流动介电泳分离

    公开(公告)号:US08097141B2

    公开(公告)日:2012-01-17

    申请号:US12281444

    申请日:2007-03-02

    IPC分类号: B03C5/02

    摘要: According to some embodiments, a method for separating a first fraction of a single wall carbon nanotubes and a second fraction of single wall carbon nanotubes includes, but is not limited to: flowing a solution comprising the nanotubes into a dielectrophoresis chamber; applying a DC voltage, in combination with an AC voltage, to the dielectrophoresis chamber; and collecting a first eluent from the dielectrophoresis chamber, wherein the first eluent comprises the first fraction and is depleted of the second fraction, wherein the first and second fractions differ by at least one of conductivity, diameter, length, and combinations thereof.

    摘要翻译: 根据一些实施方案,用于分离单壁碳纳米管和第二部分单壁碳纳米管的第一部分的方法包括但不限于:将包含纳米管的溶液流动到介电电泳室中; 将DC电压与AC电压组合施加到介电电泳室; 以及从所述介电电泳腔室收集第一洗脱液,其中所述第一洗脱液包含所述第一馏分并且耗尽所述第二馏分,其中所述第一和第二馏分通过传导率,直径,长度及其组合中的至少一个而不同。