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1. 发明申请

US20100239489A1 Methods for Controlling the Quality of Metal Nanocatalyst for Growing High Yield Carbon Nanotubes 有权
标题翻译：控制金属纳米催化剂生长高产碳纳米管质量的方法
公开(公告)号：US20100239489A1
公开(公告)日：2010-09-23
申请号：US12762994
申请日：2010-04-19
申请人： Avetik Harutyunyan , Elena Mora Fernandez , Toshio Tokune
发明人： Avetik Harutyunyan , Elena Mora Fernandez , Toshio Tokune
IPC分类号： D01F9/127
CPC分类号： G01N15/02 , B82Y30/00 , D01F9/127 , D01F9/1272 , G01N2015/0277 , Y10S977/843 , Y10T436/25
摘要： Methods are provided for the preparation of single-walled carbon nanotubes using chemical vapor deposition processes. In some aspects, single-walled carbon nanotubes having narrow distribution of diameters are formed by contacting a carbon precursor gas with a catalyst on a support, wherein the catalyst has an average diameter of less than about 2 nm.
摘要翻译：提供了使用化学气相沉积工艺制备单壁碳纳米管的方法。在一些方面，通过使碳前体气体与载体上的催化剂接触形成具有窄直径分布的单壁碳纳米管，其中催化剂的平均直径小于约2nm。

2. 发明申请

US20070281087A1 Catalyst for the Growth of Carbon Single-Walled Nanotubes 有权
标题翻译：碳单壁纳米管生长催化剂
公开(公告)号：US20070281087A1
公开(公告)日：2007-12-06
申请号：US11669128
申请日：2007-01-30
申请人： Avetik Harutyunyan , Toshio Tokune , Elena Mora
发明人： Avetik Harutyunyan , Toshio Tokune , Elena Mora
IPC分类号： C23C16/26
CPC分类号： B01J35/0013 , B01J21/185 , B01J23/28 , B01J23/44 , B01J23/74 , B01J37/0211 , B01J37/343 , B82Y30/00 , B82Y40/00 , C01B32/162 , C01B2202/02 , Y10S977/843
摘要： Methods and processes for synthesizing single-wall carbon nanotubes are provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 3 nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon. Further, the rate at which hydrocarbons are fed into the reactor is equivalent to the rate at which the hydrocarbons react for given synthesis temperature. The methods produce carbon single-walled nanotubes having longer lengths.
摘要翻译：提供了合成单壁碳纳米管的方法和方法。碳前体气体与沉积在载体材料上的金属催化剂接触。金属催化剂优选直径小于约3nm的纳米颗粒。选择反应温度使其接近金属催化剂颗粒和碳的混合物的共晶点。此外，烃进料到反应器中的速率等于烃在给定合成温度下反应的速率。该方法产生长度较长的碳单壁碳纳米管。

3. 发明授权

US08012447B2 Methods for controlling the quality of metal nanocatalyst for growing high yield carbon nanotubes 有权
标题翻译：控制生长高产碳纳米管的金属纳米催化剂质量的方法
公开(公告)号：US08012447B2
公开(公告)日：2011-09-06
申请号：US12762994
申请日：2010-04-19
申请人： Avetik Harutyunyan , Toshio Tokune , Elena Mora Fernandez
发明人： Avetik Harutyunyan , Toshio Tokune , Elena Mora Fernandez
IPC分类号： D01F9/12
CPC分类号： G01N15/02 , B82Y30/00 , D01F9/127 , D01F9/1272 , G01N2015/0277 , Y10S977/843 , Y10T436/25
摘要： Methods are provided for the preparation of single-walled carbon nanotubes using chemical vapor deposition processes. In some aspects, single-walled carbon nanotubes having narrow distribution of diameters are formed by contacting a carbon precursor gas with a catalyst on a support, wherein the catalyst has an average diameter of less than about 2 nm.
摘要翻译：提供了使用化学气相沉积工艺制备单壁碳纳米管的方法。在一些方面，通过使碳前体气体与载体上的催化剂接触形成具有窄直径分布的单壁碳纳米管，其中催化剂的平均直径小于约2nm。

4. 发明授权

US07719265B2 Methods for determining particle size of metal nanocatalyst for growing carbon nanotubes 有权
标题翻译：确定生长碳纳米管的金属纳米催化剂粒径的方法
公开(公告)号：US07719265B2
公开(公告)日：2010-05-18
申请号：US10992275
申请日：2004-11-17
申请人： Avetik Harutyunyan , Elena Mora Fernandez , Toshio Tokune
发明人： Avetik Harutyunyan , Elena Mora Fernandez , Toshio Tokune
IPC分类号： G01R33/14 , G01N27/76 , G01R33/035
CPC分类号： G01N15/02 , B82Y30/00 , D01F9/127 , D01F9/1272 , G01N2015/0277 , Y10S977/843 , Y10T436/25
摘要： Methods and processes for determining the particle size distribution of metal catalysts are provides. Superconducting Quantum Interference Device (SQUID) magnetometer is used to evaluate the magnetic catalyst particle sizes dispersed in the support material. Dependence on variation of the metal/support material ratio, which defines the metal particle sizes, the catalyst can show paramagnetic, superparamagnetic, and ferromagnetic behaviors.
摘要翻译：提供了确定金属催化剂粒径分布的方法和方法。超导量子干涉仪（SQUID）磁强计用于评估分散在支撑材料中的磁性催化剂粒度。依赖于金属/载体材料比的变化，其定义金属粒度，催化剂可以显示顺磁性，超顺磁性和铁磁性行为。

5. 发明授权

US07871591B2 Methods for growing long carbon single-walled nanotubes 有权
标题翻译：生长长碳单壁纳米管的方法
公开(公告)号：US07871591B2
公开(公告)日：2011-01-18
申请号：US11329499
申请日：2006-01-10
申请人： Avetik Harutyunyan , Elena Mora , Toshio Tokune
发明人： Avetik Harutyunyan , Elena Mora , Toshio Tokune
IPC分类号： D01F9/12
CPC分类号： D01F9/1272 , B82Y30/00 , B82Y40/00 , C01B32/162 , C01B2202/02
摘要： Methods and processes for synthesizing single-wall carbon nanotubes are provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 3 nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon. Further, the rate at which hydrocarbons are fed into the reactor is equivalent to the rate of formation of carbon SWNTs for given synthesis temperature. The methods produce carbon single-walled nanotubes having longer lengths.
摘要翻译：提供了合成单壁碳纳米管的方法和方法。碳前体气体与沉积在载体材料上的金属催化剂接触。金属催化剂优选直径小于约3nm的纳米颗粒。选择反应温度使其接近金属催化剂颗粒和碳的混合物的共晶点。此外，烃类进料到反应器中的速率等于给定合成温度下碳SWNTs的形成速率。该方法产生长度较长的碳单壁碳纳米管。

6. 发明授权

US07485600B2 Catalyst for synthesis of carbon single-walled nanotubes 有权
标题翻译：用于合成碳单壁纳米管的催化剂
公开(公告)号：US07485600B2
公开(公告)日：2009-02-03
申请号：US10992277
申请日：2004-11-17
申请人： Avetik Harutyunyan , Toshio Tokune , Elena Mora Fernandez
发明人： Avetik Harutyunyan , Toshio Tokune , Elena Mora Fernandez
IPC分类号： B01J23/00 , B01J23/70 , B01J23/08 , B01J20/00 , B01J21/00
CPC分类号： D01F9/127 , B82Y30/00 , D01F9/1272
摘要： Methods and processes for preparing supported metal catalysts are provided, where the supported metal catalysts can be used for the bulk synthesis of carbon nanotubes. The salts of the metal and the support are selected such that they are soluble in the same solvent. The catalyst can be prepared from the liquid phase through joint precipitation of the metal and the support material. The methods can be used to increase the metal load on the support. Use of the catalysts increases the yield of the carbon nanotubes.
摘要翻译：提供了制备载体金属催化剂的方法和方法，其中负载的金属催化剂可用于碳纳米管的本体合成。选择金属和载体的盐，使得它们可溶于相同的溶剂。可以通过金属和载体材料的接合沉淀从液相制备催化剂。这些方法可用于增加支撑体上的金属负载。催化剂的使用增加了碳纳米管的产率。

7. 发明申请

US20060228289A1 Methods for growing long carbon single-walled nanotubes 有权
标题翻译：生长长碳单壁纳米管的方法
公开(公告)号：US20060228289A1
公开(公告)日：2006-10-12
申请号：US11329499
申请日：2006-01-10
申请人： Avetik Harutyunyan , Elena Mora , Toshio Tokune
发明人： Avetik Harutyunyan , Elena Mora , Toshio Tokune
IPC分类号： D01F9/12
CPC分类号： D01F9/1272 , B82Y30/00 , B82Y40/00 , C01B32/162 , C01B2202/02
摘要： Methods and processes for synthesizing single-wall carbon nanotubes are provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 3 nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon. Further, the rate at which hydrocarbons are fed into the reactor is equivalent to the rate of formation of carbon SWNTs for given synthesis temperature. The methods produce carbon single-walled nanotubes having longer lengths.
摘要翻译：提供了合成单壁碳纳米管的方法和方法。碳前体气体与沉积在载体材料上的金属催化剂接触。金属催化剂优选直径小于约3nm的纳米颗粒。选择反应温度使其接近金属催化剂颗粒和碳的混合物的共晶点。此外，烃类进料到反应器中的速率等于给定合成温度下碳SWNTs的形成速率。该方法产生长度较长的碳单壁碳纳米管。

8. 发明申请

US20070277647A1 Method for synthesis of metal nanoparticles 有权
标题翻译：金属纳米粒子的合成方法
公开(公告)号：US20070277647A1
公开(公告)日：2007-12-06
申请号：US11241541
申请日：2005-09-30
申请人： Avetik Harutyunyan , Leonid Grigorian , Toshio Tokune
发明人： Avetik Harutyunyan , Leonid Grigorian , Toshio Tokune
IPC分类号： C22C1/05
CPC分类号： B82Y30/00 , B22F1/0018 , B22F9/30 , Y10S977/777 , Y10T428/2991 , Y10T428/2993
摘要： Metal nanoparticles containing two or more metals are formed by heating or refluxing a mixture of two or more metal salts, such as a metal acetates, and a passivating solvent, such as a glycol ether, at a temperature above the melting point of the metal salts for an effective amount of time.
摘要翻译：含有两种或更多种金属的金属纳米颗粒通过在高于金属盐熔点的温度下加热或回流两种或更多种金属盐，例如金属乙酸盐和钝化溶剂如二醇醚的混合物而形成有效的时间。

9. 发明申请

US20070264187A1 Dry powder injector for industrial production of carbon single walled nanotubes (SWNTs) 有权
标题翻译：用于工业生产碳单壁纳米管（SWNT）的干粉注射器
公开(公告)号：US20070264187A1
公开(公告)日：2007-11-15
申请号：US11433161
申请日：2006-05-12
申请人： Avetik Harutyunyan , Toshio Tokune
发明人： Avetik Harutyunyan , Toshio Tokune
IPC分类号： D01F9/12 , B01J4/00 , B01J8/00
CPC分类号： B01J8/1845 , B01J8/002 , B01J8/1836 , B01J23/745 , B01J35/023 , B01J37/0203 , B01J37/18 , B01J2208/00752 , B82Y30/00 , B82Y40/00 , C01B32/162 , C01B2202/02
摘要： Methods, processes, and apparatuses for the continuous synthesis of carbon nanostructures are provided. Metal catalysts having small diameter and narrow distribution of particle sizes are prepared and continuously injected as aerosols into a reactor. The metal catalysts are supported on supports that are substantially free of carbon. The metal catalyst, in the form of a powder, is placed on a fluidized bed and aerosolized using an inert gas. The powder entrailed in the gas is injected near the top of a vertical reactor for the synthesis of SWNTs.
摘要翻译：提供了用于连续合成碳纳米结构的方法，方法和装置。制备具有小直径和窄粒度分布的金属催化剂，并将其作为气溶胶连续注入反应器。金属催化剂负载在基本上不含碳的载体上。将粉末形式的金属催化剂置于流化床上并使用惰性气体雾化。在气体中夹带的粉末被注入到用于合成SWNTs的垂直反应器的顶部附近。

10. 发明申请

US20070085460A1 METHOD FOR SELECTIVE ENRICHMENT OF CARBON NANOTUBES 有权
标题翻译：选择性增加碳纳米管的方法
公开(公告)号：US20070085460A1
公开(公告)日：2007-04-19
申请号：US11610476
申请日：2006-12-13
申请人： Avetik Harutyunyan , Toshio Tokune
发明人： Avetik Harutyunyan , Toshio Tokune
IPC分类号： H01J1/02
CPC分类号： B82Y30/00 , B82Y40/00 , C01B32/168 , C01B2202/22 , D01F9/127
摘要： A method for treating carbon nanotubes with microwave energy to selective remove metallic-type carbon nanotubes is provided. A sample containing carbon nanotubes is positioned in a microwave cavity at a location corresponding to a maximum in the electric field component of a stationary wave having a microwave frequency. The sample is exposed to the microwave energy for a sufficient period of time to increase the proportion of semiconducting-type carbon nanotubes within the sample. Alternatively, a sample consisting essentially of metallic-type and semiconducting-type carbon nanotubes is exposed to microwave energy for a sufficient period of time to increase the proportion of semiconducting-type carbon nanotubes within the sample.
摘要翻译：提供了一种用微波能量处理碳纳米管以选择性去除金属型碳纳米管的方法。含有碳纳米管的样品位于与微波频率的固定波的电场分量中的最大值相对应的位置处的微波空腔中。将样品暴露于微波能量足够长的时间以增加样品中半导体型碳纳米管的比例。或者，基本上由金属型和半导体型碳纳米管组成的样品暴露于微波能量足够的时间以增加样品中半导体型碳纳米管的比例。

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