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    • 1. 发明申请
    • Stable concentrated metal colloids and methods of making same
    • 稳定的浓缩金属胶体及其制备方法
    • US20070219083A1
    • 2007-09-20
    • US11378057
    • 2006-03-17
    • Cheng ZhangSukesh ParasherMichael RueterBing Zhou
    • Cheng ZhangSukesh ParasherMichael RueterBing Zhou
    • B01J31/00B01F3/12B01F17/00
    • B01J23/40B01J13/0034B01J13/0039B01J13/0043B01J35/0013B22F1/0022B22F9/26B22F2999/00B82Y30/00B22F2201/013
    • A method for manufacturing stable concentrated colloids containing metal nanoparticles in which the colloid is stabilized by adding a base. This allows the metal particles to be formed in higher concentration without forming larger agglomerates and/or precipitating. The method of manufacturing the stable colloidal metal nanoparticles of the present invention generally includes (i) providing a solution comprising a plurality of metal atoms, (ii) providing a solution comprising a plurality of organic agent molecules, each organic agent molecule comprising at least one functional group capable of bonding to the metal atoms, (iii) reacting the metal atoms in solution with the organic agent molecules in solution to form a mixture comprising a plurality of complexed metal atoms, (iv) reducing the complexed metal atoms in the mixture using a reducing agent to form a plurality of nanoparticles, and (v) adding an amount of a base to the mixture, thereby improving the stability of the nanoparticles in the mixture. The base may be added before or after forming the nanoparticles.
    • 一种制备含有金属纳米粒子的稳定浓缩胶体的方法,其中胶体通过加入碱稳定。 这允许金属颗粒以更高的浓度形成而不形成较大的附聚物和/或沉淀。 制备本发明的稳定胶体金属纳米粒子的方法通常包括(i)提供包含多个金属原子的溶液,(ii)提供包含多个有机试剂分子的溶液,每个有机试剂分子包含至少一个 能够与金属原子键合的官能团,(iii)使溶液中的金属原子与溶液中的有机试剂分子反应,形成包含多个络合金属原子的混合物,(iv)使用 还原剂形成多个纳米颗粒,和(v)向混合物中加入一定量的碱,从而提高混合物中纳米颗粒的稳定性。 可以在形成纳米颗粒之前或之后加入碱。
    • 4. 发明授权
    • Method of manufacturing multicomponent nanoparticles
    • 制造多组分纳米粒子的方法
    • US07709411B2
    • 2010-05-04
    • US12421208
    • 2009-04-09
    • Bing ZhouSukesh ParasherMichael Rueter
    • Bing ZhouSukesh ParasherMichael Rueter
    • B01J25/00B01J23/40B01J23/42B01J31/00C22C38/00C22C5/04
    • B01J35/0013B01J21/18B01J23/8906B01J37/0211B01J37/0219Y10S977/81
    • Multicomponent nanoparticles include two or more dissimilar components selected from different members of the group of noble metals, base transition metals, alkali earth metals, and rare earth metals and/or different groups of the periodic table of elements. The two or more dissimilar components are dispersed using a polyfunctional dispersing agent such that the multicomponent nanoparticles have a substantially uniform distribution of the two or more dissimilar components. The polyfunctional dispersing agent may include organic molecules, polymers, oligomers, or salts of these. The molecules of the dispersing agent bind to the dissimilar components to overcome same-component attraction, thereby allowing the dissimilar components to form multicomponent nanoparticles. Dissimilar components such as iron and platinum can be alloyed together using the dispersing agent to form substantially uniform multicomponent nanoparticles, which can be used alone or with a support. At least a portion of the dispersing agent is removed by reduction and/or oxidation.
    • 多组分纳米颗粒包括选自贵金属,碱金属过渡金属,碱土金属和稀土金属和/或元素周期表的不同组中的不同成员的两种或更多种不同成分。 使用多官能分散剂分散两种或更多种不同的组分,使得多组分纳米颗粒具有两个或多个不同成分的基本上均匀的分布。 多官能分散剂可以包括这些的有机分子,聚合物,低聚物或盐。 分散剂的分子与不同的组分结合以克服相同成分的吸引,从而允许不同组分形成多组分纳米颗粒。 可以使用分散剂将诸如铁和铂的不同组分合金化以形成基本均匀的多组分纳米颗粒,其可以单独使用或与支持体一起使用。 通过还原和/或氧化除去至少一部分分散剂。
    • 6. 发明授权
    • Organically complexed nanocatalysts for improving combustion properties of fuels and fuel compositions incorporating such catalysts
    • 有机络合的纳米催化剂用于改善掺入这种催化剂的燃料和燃料组合物的燃烧性能
    • US07803201B2
    • 2010-09-28
    • US11104324
    • 2005-04-12
    • Bing ZhouSukesh ParasherMichael RueterZhihua Wu
    • Bing ZhouSukesh ParasherMichael RueterZhihua Wu
    • C10L10/00C10L1/10
    • A24B15/28A24B15/282A24B15/286A24B15/287A24B15/288A24D3/16C10L1/02
    • Organically complexed nanocatalyst compositions are applied to or mixed with a carbon-containing fuel (e.g., tobacco, coal, briquetted charcoal, biomass, or a liquid hydrocarbon like fuel oils or gasoline) in order to enhance combustion properties of the fuel. Nanocatalyst compositions can be applied to or mixed with a solid fuel substrate in order to reduce the amount of CO, hydrocarbons and soot produced by the fuel during combustion. In addition, coal can be treated with inventive nanocatalyst compositions to reduce the amount of NOx produced during combustion (e.g., by removing coal nitrogen in a low oxygen pre-combustion zone of a low NOx burner). The nanocatalyst compositions include nanocatalyst particles made using a dispersing agent. They can be formed as a stable suspension to facilitate storage, transportation and application of the catalyst nanoparticles to a fuel substrate.
    • 将有机络合的纳米催化剂组合物施用于含碳燃料(例如烟草,煤,压块炭,生物质或液体烃如燃料油或汽油)或与其混合,以增强燃料的燃烧性能。 纳米催化剂组合物可以施加到固体燃料基质上或与固体燃料基质混合,以便减少在燃烧过程中由燃料产生的CO,烃和烟炱的量。 此外,煤可以用本发明的纳米催化剂组合物处理以减少在燃烧期间产生的NOx的量(例如,通过去除低NOx燃烧器的低氧预燃烧区中的煤氮)。 纳米催化剂组合物包括使用分散剂制备的纳米催化剂颗粒。 它们可以形成为稳定的悬浮液,以便于将催化剂纳米颗粒储存,运输和应用于燃料基质。
    • 7. 发明申请
    • Multicomponent nanoparticles formed using a dispersing agent
    • 使用分散剂形成的多组分纳米颗粒
    • US20060105910A1
    • 2006-05-18
    • US11103676
    • 2005-04-12
    • Bing ZhouSukesh ParasherMichael Rueter
    • Bing ZhouSukesh ParasherMichael Rueter
    • B01J23/745
    • B01J35/0013B01J21/18B01J23/8906B01J37/0211B01J37/0219Y10S977/81
    • Nanoparticles include a plurality of two or more dissimilar components selected from the group of noble metals, base transition metals, alkali earth metals, and rare earth metals and/or different groups of the periodic table of elements. The two or more dissimilar components are dispersed using a dispersing agent such that the nanoparticles have a substantially uniform distribution of the two or more dissimilar components. The dispersing agents can be poly functional small organic molecules, polymers, or oligomers, or salts of these. The molecules of the dispersing agent bind to the particle atoms to overcome same-component attractions, thereby allowing dissimilar components to form heterogeneous nanoparticles. Dissimilar components such as iron and platinum can be complexed using the dispersing agent to form substantially uniform heterogeneous nanoparticles. The nanoparticles can be used alone or applied to a support. At least a portion of the dispersing agent can be removed by reduction and/or oxidation.
    • 纳米颗粒包括选自贵金属,碱金属过渡金属,碱土金属和稀土金属和/或元素周期表的不同基团中的多个两种或更多种不同成分。 使用分散剂分散两种或更多种不同的组分,使得纳米颗粒具有两个或多个不同组分的基本上均匀的分布。 分散剂可以是这些的多功能小有机分子,聚合物或低聚物或其盐。 分散剂的分子与颗粒原子结合以克服相同成分的吸引力,从而允许不同的组分形成不均匀的纳米颗粒。 不同组分如铁和铂可以使用分散剂络合以形成基本均匀的异质纳米颗粒。 纳米颗粒可以单独使用或应用于载体。 可以通过还原和/或氧化除去至少一部分分散剂。
    • 8. 发明申请
    • METHOD OF MANUFACTURING MULTICOMPONENT NANOPARTICLES
    • 制备多组分纳米颗粒的方法
    • US20090298684A1
    • 2009-12-03
    • US12421208
    • 2009-04-09
    • Bing ZhouSukesh ParasherMichael Rueter
    • Bing ZhouSukesh ParasherMichael Rueter
    • B01J23/42B01J23/745
    • B01J35/0013B01J21/18B01J23/8906B01J37/0211B01J37/0219Y10S977/81
    • Multicomponent nanoparticles include two or more dissimilar components selected from different members of the group of noble metals, base transition metals, alkali earth metals, and rare earth metals and/or different groups of the periodic table of elements. The two or more dissimilar components are dispersed using a polyfunctional dispersing agent such that the multicomponent nanoparticles have a substantially uniform distribution of the two or more dissimilar components. The polyfunctional dispersing agent may include organic molecules, polymers, oligomers, or salts of these. The molecules of the dispersing agent bind to the dissimilar components to overcome same-component attraction, thereby allowing the dissimilar components to form multicomponent nanoparticles. Dissimilar components such as iron and platinum can be alloyed together using the dispersing agent to form substantially uniform multicomponent nanoparticles, which can be used alone or with a support. At least a portion of the dispersing agent is removed by reduction and/or oxidation.
    • 多组分纳米颗粒包括选自贵金属,碱金属过渡金属,碱土金属和稀土金属和/或元素周期表的不同组中的不同成员的两种或更多种不同成分。 使用多官能分散剂分散两种或更多种不同的组分,使得多组分纳米颗粒具有两个或多个不同成分的基本上均匀的分布。 多官能分散剂可以包括这些的有机分子,聚合物,低聚物或盐。 分散剂的分子与不同的组分结合以克服相同成分的吸引,从而允许不同组分形成多组分纳米颗粒。 可以使用分散剂将诸如铁和铂的不同组分合金化以形成基本均匀的多组分纳米颗粒,其可以单独使用或与支持体一起使用。 通过还原和/或氧化除去至少一部分分散剂。