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    • 36. 发明授权
    • Freezing assisted fabrication of nano and micro hollow cubic metal oxides
    • 冷冻辅助制造纳米和微型中空立方体氧化物
    • US08501057B1
    • 2013-08-06
    • US13010121
    • 2011-01-20
    • Xingmao JiangC. Jeffrey Brinker
    • Xingmao JiangC. Jeffrey Brinker
    • B29C35/02
    • C01B33/163B82Y30/00C01B13/328C01P2004/38C01P2004/62C01P2004/64
    • Various embodiments provide materials and methods of forming hollow cubes. The hollow cubes can be formed to include a metal oxide shell layer encasing a cubic hollow space. In one embodiment, the hollow cubes can be formed from an emulsion having aqueous droplets with an interfacial layer encasing an aqueous core. By an exemplary freezing treatment, the aqueous droplets having a spherical shape can be transformed into ice components having a cubic shape. Metal oxide precursors can then be added to react with the encased cube-shaped ice core at the interface with the interfacial layer to form a sol-gel metal oxide shell layer. Hollow cubes can be formed by removing the cube-shaped ice core from the sol-gel metal oxide shell layer.
    • 各种实施例提供了形成中空立方体的材料和方法。 中空立方体可以形成为包括包围立方中空空间的金属氧化物壳层。 在一个实施例中,中空立方体可以由具有包含水性芯的界面层的水性液滴的乳液形成。 通过示例性的冷冻处理,具有球形形状的水滴可以转变成具有立方体形状的冰组分。 然后可以加入金属氧化物前体以与包封的立方体冰芯在与界面层的界面处反应以形成溶胶 - 凝胶金属氧化物壳层。 可以通过从溶胶 - 凝胶金属氧化物壳层去除立方体状的冰芯来形成空心立方体。
    • 38. 发明授权
    • Self-assembly of water-soluble nanocrystals
    • 水溶性纳米晶体的自组装
    • US08092595B1
    • 2012-01-10
    • US12038037
    • 2008-02-27
    • Hongyou FanC. Jeffrey BrinkerGabriel P. Lopez
    • Hongyou FanC. Jeffrey BrinkerGabriel P. Lopez
    • C30B7/04
    • C30B7/14C30B29/68
    • A method for forming an ordered array of nanocrystals where a hydrophobic precursor solution with a hydrophobic core material in an organic solvent is added to a solution of a surfactant in water, followed by removal of a least a portion of the organic solvent to form a micellar solution of nanocrystals. A precursor co-assembling material, generally water-soluble, that can co-assemble with individual micelles formed in the micellar solution of nanocrystals can be added to this micellar solution under specified reaction conditions (for example, pH conditions) to form an ordered-array mesophase material. For example, basic conditions are used to precipitate an ordered nanocrystal/silica array material in bulk form and acidic conditions are used to form an ordered nanocrystal/silica array material as a thin film.
    • 一种用于形成纳米晶体的有序阵列的方法,其中在有机溶剂中具有疏水性核心材料的疏水性前体溶液加入到表面活性剂在水中的溶液中,然后除去至少一部分有机溶剂以形成胶束 纳米晶体的溶液。 可以在规定的反应条件(例如,pH条件)下,将能够与形成在纳米晶体的胶束溶液中的单个胶束共同组装的通常为水溶性的前体共组装材料加入到该胶束溶液中, 阵列中间相材料。 例如,使用基本条件来沉淀有序的纳米晶体/二氧化硅阵列材料的体积形式,并且酸性条件用于形成有序的纳米晶体/二氧化硅阵列材料作为薄膜。
    • 40. 发明授权
    • Self-assembly of nanocomposite materials
    • 纳米复合材料的自组装
    • US06264741B1
    • 2001-07-24
    • US09449036
    • 1999-11-24
    • C. Jeffrey BrinkerAlan SellingerYunfeng Lu
    • C. Jeffrey BrinkerAlan SellingerYunfeng Lu
    • C30B1110
    • B82Y30/00C09K19/00
    • A method of making a nanocomposite self-assembly is provided where at least one hydrophilic compound, at least one hydrophobic compound, and at least one amphiphilic surfactant are mixed in an aqueous solvent with the solvent subsequently evaporated to form a self-assembled liquid crystalline mesophase material. Upon polymerization of the hydrophilic and hydrophobic compounds, a robust nanocomposite self-assembled material is formed. Importantly, in the reaction mixture, the amphiphilic surfactant has an initial concentration below the critical micelle concentration to allow formation of the liquid-phase micellar mesophase material. A variety of nanocomposite structures can be formed, depending upon the solvent evaporazation process, including layered mesophases, tubular mesophases, and a hierarchical composite coating composed of an isotropic worm-like micellar overlayer bonded to an oriented, nanolaminated underlayer.
    • 提供制备纳米复合自组装的方法,其中至少一种亲水性化合物,至少一种疏水性化合物和至少一种两亲表面活性剂在水性溶剂中与溶剂混合,随后蒸发形成自组装液晶中间相 材料。 在聚合亲水和疏水化合物时,形成了坚固的纳米复合材料自组装材料。 重要的是,在反应混合物中,两亲表面活性剂的初始浓度低于临界胶束浓度以允许形成液相胶束中间相材料。 可以形成各种纳米复合结构,这取决于溶剂蒸发过程,包括层状中间相,管状中间相,和由定向的纳米层压底层粘合的各向同性的蠕虫状胶束覆盖层组成的分级复合涂层。