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    Methods of Making and Purifying Carbon Nanotubes
    3.
    发明申请
    Methods of Making and Purifying Carbon Nanotubes 有权

    公开(公告)号：US20170260053A1

    公开(公告)日：2017-09-14

    申请号：US15602331

    申请日：2017-05-23

    Applicant: The Boeing Company

    Inventor： Keith D. Humfeld

    IPC: G01N21/64

    CPC classification number: C01B32/172 ,  B82Y40/00 ,  C01B32/16 ,  C01B32/17 ,  C01B2202/02 ,  G01N21/64 ,  Y10S977/751 ,  Y10S977/842 ,  Y10S977/845

    Abstract: In one aspect, methods of making semiconducting single-walled carbon nanotubes are described herein. In some implementations, a method of making semiconducting single-walled carbon nanotubes comprises providing a plurality of semiconducting nanotube seeds including (n,m) nanotube seeds and non-(n,m) nanotube seeds. The method further comprises illuminating the plurality of nanotube seeds with a first laser beam having a first wavelength and a second laser beam having a second wavelength, the second wavelength differing from the first wavelength. The first wavelength corresponds to an absorption maximum for a (n,m) carbon nanotube and the second wavelength corresponds to a photoluminescence emission frequency for the (n,m) carbon nanotube.

    Methods of making and purifying carbon nanotubes
    4.
    发明授权
    Methods of making and purifying carbon nanotubes 有权

    公开(公告)号：US09688537B2

    公开(公告)日：2017-06-27

    申请号：US14611734

    申请日：2015-02-02

    Applicant: The Boeing Company

    Inventor： Keith D. Humfeld

    IPC: C01B31/02 ,  G01N21/64 ,  B82Y40/00

    CPC classification number: C01B32/172 ,  B82Y40/00 ,  C01B32/16 ,  C01B32/17 ,  C01B2202/02 ,  G01N21/64 ,  Y10S977/751 ,  Y10S977/842 ,  Y10S977/845

    Abstract: In one aspect, methods of making semiconducting single-walled carbon nanotubes are described herein. In some implementations, a method of making semiconducting single-walled carbon nanotubes comprises providing a plurality of semiconducting nanotube seeds including (n,m) nanotube seeds and non-(n,m) nanotube seeds. The method further comprises illuminating the plurality of nanotube seeds with a first laser beam having a first wavelength and a second laser beam having a second wavelength, the second wavelength differing from the first wavelength. The first wavelength corresponds to an absorption maximum for a (n,m) carbon nanotube and the second wavelength corresponds to a photoluminescence emission frequency for the (n,m) carbon nanotube.

    APPARATUS FOR SELECTIVE DEPOSITION OF NANOTUBES, USING A CHARGING ELEMENT, A TEMPLATE AND A FILTER
    6.
    发明申请
    APPARATUS FOR SELECTIVE DEPOSITION OF NANOTUBES, USING A CHARGING ELEMENT, A TEMPLATE AND A FILTER 有权
    用于选择性沉积纳米管的装置，使用充电元件，模板和过滤器

    公开(公告)号：US20160368771A1

    公开(公告)日：2016-12-22

    申请号：US14901808

    申请日：2014-06-30

    Applicant: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY

    Inventor： Catherine WHITE ,  Jane Elizabeth TATESON

    IPC: C01B31/02

    CPC classification number: C01B32/168 ,  B82Y10/00 ,  B82Y40/00 ,  C01B32/172 ,  H01L29/413 ,  Y10S977/742 ,  Y10S977/845 ,  Y10S977/932

    Abstract: An apparatus according to the present invention comprises a chamber into which carbon nanotubes dispersed in a non-polar solvent may be received. The nanotubes are impelled along the chamber by the application of an external electrical field and will pass through a charging element that imposes an electrical charge on the nanotubes, and a template (180), such that the nanotubes are deposited on a substrate located next to the template. The substrate may be moved relative to the template such that the nanotubes are deposited on the substrate in a predetermined selective manner.

    Abstract translation: 根据本发明的装置包括可以容纳分散在非极性溶剂中的碳纳米管的室。 纳米管通过施加外部电场而沿腔室被推动，并且将穿过在纳米管上施加电荷的充电元件和模板（180），使得纳米管沉积在位于旁边的基板上 模板。 衬底可以相对于模板移动，使得纳米管以预定的选择性方式沉积在衬底上。

    PREPARATION OF FUNCTIONALISED CARBON NANOMATERIALS
    7.
    发明申请
    PREPARATION OF FUNCTIONALISED CARBON NANOMATERIALS 审中-公开
    功能性碳纳米管的制备

    公开(公告)号：US20160280545A1

    公开(公告)日：2016-09-29

    申请号：US15036520

    申请日：2014-11-14

    Applicant: IMPERIAL INNOVATIONS LIMITED

    Inventor： Milo Sebastian Peter Shaffer ,  Takuya Morishita ,  Adam Justin Clancy

    IPC: C01B31/02 ,  C01B31/04

    CPC classification number: C01B31/026 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/15 ,  C01B32/17 ,  C01B32/174 ,  C01B32/194 ,  C01B32/196 ,  C01B32/20 ,  C01B2202/02 ,  C01B2204/06 ,  Y10S977/734 ,  Y10S977/746 ,  Y10S977/845 ,  Y10S977/847

    Abstract: The invention provides for a method of preparing a covalently functionalised carbon nanomaterial, comprising the steps of (i) treating a carbon material with a reducing agent comprising an alkali metal M in the presence of a solvent S to form a reduced-carbon material solution; and (ii) treating the resulting reduced-carbon material solution with a functionalising reagent to form a covalently functionalised carbon nanomaterial, wherein (a) the concentration of alkali metal [M] in step (i) is between 0.003 mol/L and 0.05 mol/L, and (b) the ratio of carbon material to alkali metal (C/M) in solution in step (i) is at least 2:1. A method of preparing a covalently functionalised carbon nanomaterial using N,N-dimethylacetamide as a solvent is also provided.

    Abstract translation: 本发明提供一种制备共价官能化碳纳米材料的方法，其包括以下步骤：（i）在溶剂S存在下用含有碱金属M的还原剂处理碳材料以形成还原碳材料溶液; （ii）用功能化试剂处理所得的还原碳材料溶液以形成共价官能化的碳纳米材料，其中（a）步骤（i）中碱金属[M]的浓度为0.003mol / L至0.05mol / L，（b）步骤（i）中溶液中碳材料与碱金属的比例（C / M）至少为2:1。 还提供了使用N，N-二甲基乙酰胺作为溶剂制备共价官能化的碳纳米材料的方法。

    Isolation of single-walled carbon nanotubes from double and multi-walled carbon nanotubes
    8.
    发明授权
    Isolation of single-walled carbon nanotubes from double and multi-walled carbon nanotubes 有权
    从双层和多壁碳纳米管分离单壁碳纳米管

    公开(公告)号：US09409102B2

    公开(公告)日：2016-08-09

    申请号：US13914011

    申请日：2013-06-10

    Applicant: GLOBALFOUNDRIES INC.

    Inventor： Ageeth A. Bol ,  George S. Tulevski

    IPC: B01D17/02 ,  B01D21/26 ,  C01B31/02 ,  B82Y30/00 ,  B82Y40/00

    CPC classification number: B01D21/262 ,  B01D17/0217 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/17 ,  C01B32/172 ,  C01B2202/02 ,  Y10S977/845

    Abstract: A method and system are disclosed for separating single-walled carbon nanotubes from double and multi-walled carbon nanotubes by using the difference in the buoyant density of Single-Walled versus Multi-Walled carbon nanotubes. In one embodiment, the method comprises providing a vessel with first and second solutions. The first solution comprises a quantity of carbon nanotubes, including single-walled carbon nanotubes and double and multi-walled carbon nanotubes. The single walled nanotubes have a first density, the double and multi-walled nanotubes having a second density. The second solution in the vessel has a third density between said first and second densities. The vessel is centrifuged to faun first and second layers in the vessel, with the second solution between said first and second layers. The single-walled carbon nanotubes are predominantly in the first layer, and the second and multi-walled carbon nanotubes are predominantly in the second layer.

    Abstract translation: 公开了通过使用单壁碳纳米管与多壁碳纳米管的浮力密度的差异来从双壁和多壁碳纳米管分离单壁碳纳米管的方法和系统。 在一个实施例中，该方法包括向船舶提供第一和第二解决方案。 第一种解决方案包括一定量的碳纳米管，包括单壁碳纳米管和双层和多壁碳纳米管。 单壁纳米管具有第一密度，双壁和多壁纳米管具有第二密度。 容器中的第二溶液在所述第一和第二密度之间具有第三密度。 将容器离心以在容器中生长第一和第二层，第二溶液在第一和第二层之间。 单壁碳纳米管主要位于第一层中，第二层和多壁碳纳米管主要位于第二层。

    METHOD AND APPARATUS FOR SORTING CARBON NANOTUBES
    9.
    发明申请
    METHOD AND APPARATUS FOR SORTING CARBON NANOTUBES 审中-公开
    用于分选碳纳米管的方法和装置

    公开(公告)号：US20150307355A1

    公开(公告)日：2015-10-29

    申请号：US14791650

    申请日：2015-07-06

    Applicant: Texas Instruments Incorporated

    Inventor： James Cooper Wainerdi ,  Robert Reid Doering ,  Luigi Colombo

    IPC: C01B31/02 ,  B03C1/035

    CPC classification number: C01B31/0266 ,  B03C1/005 ,  B03C1/0335 ,  B03C1/035 ,  B03C2201/20 ,  B03C2201/22 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/172 ,  C01B2202/02 ,  C01B2202/22 ,  Y10S977/751 ,  Y10S977/845

    Abstract: A process of sorting metallic single wall carbon nanotubes (SWNTs) from semiconducting types by disposing the SWNTs in a dilute fluid, exposing the SWNTs to a dipole-inducing magnetic field which induces magnetic dipoles in the SWNTs so that a strength of a dipole depends on a conductivity of the SWNT containing the dipole, orienting the metallic SWNTs, and exposing the SWNTs to a magnetic field with a spatial gradient so that the oriented metallic SWNTs drift in the magnetic field gradient and thereby becomes spatially separated from the semiconducting SWNTs. An apparatus for the process of sorting SWNTs is disclosed.

    Abstract translation: 通过将SWNTs置于稀释流体中来分离来自半导体类型的金属单壁碳纳米管（SWNT）的过程，将SWNT暴露于偶极诱导磁场，其诱导SWNT中的磁偶极子，使得偶极子的强度取决于 包含偶极子的SWNT的导电性，定向金属SWNT，并将SWNT暴露于具有空间梯度的磁场，使得定向金属SWNT在磁场梯度中漂移，从而与半导体SWNT空间分离。 公开了一种用于排序SWNT的过程的设备。

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