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公开(公告)号:US09878307B2
公开(公告)日:2018-01-30
申请号:US13740899
申请日:2013-01-14
发明人: Roland D. Seals , Paul A. Menchhofer , Jane Y. Howe , Wei Wang
IPC分类号: B01J23/755 , B01J23/745 , B01J23/74 , B01J31/02 , B01J35/00 , B01J37/00 , B01J37/03 , B01J37/18 , B01J21/08 , B82Y40/00
CPC分类号: B01J23/755 , B01J21/08 , B01J23/74 , B01J23/745 , B01J31/0274 , B01J35/0013 , B01J37/0072 , B01J37/033 , B01J37/18 , B82Y40/00 , Y10S977/773 , Y10S977/81 , Y10S977/892
摘要: Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.
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公开(公告)号:US20140037978A1
公开(公告)日:2014-02-06
申请号:US14055960
申请日:2013-10-17
发明人: Roland D. Seals , Paul A. Menchhofer , Jane Y. Howe , Wei Wang
CPC分类号: B01J2/006 , B01J21/08 , B01J23/745 , B01J31/0274 , B01J35/0013 , B01J35/006 , B01J37/0207 , B01J37/0209 , B01J37/033 , B01J37/18 , B22F1/025 , B82Y30/00 , B82Y40/00 , C01B32/15 , Y10T428/12181 , Y10T428/25 , Y10T428/2991 , Y10T428/2993
摘要: Anchored nanostructure materials and methods for their fabrication are described. The anchored nanostructure materials may utilize nano-catalysts that include powder-based or solid-based support materials. The support material may comprise metal, such as NiAl, ceramic, a cermet, or silicon or other metalloid. Typically, nanoparticles are disposed adjacent a surface of the support material. Nanostructures may be formed as anchored to nanoparticles that are adjacent the surface of the support material by heating the nano-catalysts and then exposing the nano-catalysts to an organic vapor. The nanostructures are typically single wall or multi-wall carbon nanotubes.
摘要翻译: 描述了锚定的纳米结构材料及其制造方法。 锚定的纳米结构材料可以使用包括基于粉末或固体的支撑材料的纳米催化剂。 载体材料可以包括金属,例如NiAl,陶瓷,金属陶瓷或硅或其它准金属。 通常,纳米颗粒邻近支撑材料的表面设置。 纳米结构可以通过加热纳米催化剂然后将纳米催化剂暴露于有机蒸气而形成为锚定到邻近载体材料表面的纳米颗粒。 纳米结构通常是单壁或多壁碳纳米管。
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公开(公告)号:US20130130894A1
公开(公告)日:2013-05-23
申请号:US13740899
申请日:2013-01-14
发明人: Roland D. Seals , Paul A. Menchhofer , Jane Y. Howe , Wei Wang
IPC分类号: B01J23/755 , B01J23/745
CPC分类号: B01J23/755 , B01J21/08 , B01J23/74 , B01J23/745 , B01J31/0274 , B01J35/0013 , B01J37/0072 , B01J37/033 , B01J37/18 , B82Y40/00 , Y10S977/773 , Y10S977/81 , Y10S977/892
摘要: Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.
摘要翻译: 描述了制备纳米催化剂的方法。 在一些实施方案中,纳米催化剂由粉末基底材料形成,并且是一些实施方案,纳米催化剂由固体基底材料形成。 在一些实施例中,衬底材料可以包括金属,陶瓷或硅或另一种准金属。 纳米催化剂通常具有邻近衬底材料的表面设置的金属纳米颗粒。 所述方法通常包括用螯合剂(例如具有解离的羧基官能团(-COO)的化学物质)官能化底物材料的表面,其提供对金属离子的增强的亲和力。 然后将官能化的基底表面暴露于含有金属离子的化学溶液。 然后将金属离子结合到衬底材料上,然后可以例如通过包括氢的气体流来还原,以形成邻近衬底表面的金属纳米颗粒。
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公开(公告)号:US08591988B1
公开(公告)日:2013-11-26
申请号:US13652936
申请日:2012-10-16
发明人: Roland D. Seals , Paul A. Menchhofer , Jane Y. Howe , Wei Wang
CPC分类号: B01J2/006 , B01J21/08 , B01J23/745 , B01J31/0274 , B01J35/0013 , B01J35/006 , B01J37/0207 , B01J37/0209 , B01J37/033 , B01J37/18 , B22F1/025 , B82Y30/00 , B82Y40/00 , C01B32/15 , Y10T428/12181 , Y10T428/25 , Y10T428/2991 , Y10T428/2993
摘要: Methods for fabricating anchored nanostructure materials are described. The methods include heating a nano-catalyst under a protective atmosphere to a temperature ranging from about 450° C. to about 1500° C. and contacting the heated nano-catalysts with an organic vapor to affix carbon nanostructures to the nano-catalysts and form the anchored nanostructure material.
摘要翻译: 描述了制造锚固纳米结构材料的方法。 所述方法包括在保护气氛下将纳米催化剂加热至约450℃至约1500℃的温度,并将加热的纳米催化剂与有机蒸气接触以将碳纳米结构固定在纳米催化剂上并形成 锚定的纳米结构材料。
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