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    • 1. 发明授权
    • Method for manufacturing high-quality manganese-doped semiconductor nanocrystals
    • 制造高品质锰掺杂半导体纳米晶体的方法
    • US06780242B2
    • 2004-08-24
    • US09811674
    • 2001-03-20
    • David J. Norris
    • David J. Norris
    • C30B2500
    • B82Y30/00C01B19/007C01G9/00C01G9/08C01P2002/54C01P2002/80C01P2002/84C01P2002/86C01P2004/51C01P2004/64C01P2006/60C30B7/00C30B29/605
    • A method for manufacturing high-quality Mn-doped nanocrystals is provided. The method generally comprises the steps of: (a) combining an organometallic manganese precursor with an organometallic Group II precursor and an organometallic Group VI precursor to provide a precursor mixture; (b) diluting the precursor mixture with a dilution solvent to provide an injection mixture; (c) heating a coordinating solvent; (d) stirring the heated coordinating solvent; and (e) injecting the injection mixture into the heated coordinating solvent while the heated coordinating solvent is being stirred. The invention is particularly useful for manufacturing high-quality, Mn-doped zinc selenide (ZnSe) nanocrystals, high-quality, Mn-doped zinc sulfide (ZnS) nanocrystals, and high-quality, Mn-doped zinc telluride (ZnTe) nanocrystals.
    • 提供了制造高品质Mn掺杂纳米晶体的方法。 该方法通常包括以下步骤:(a)将有机金属锰前体与有机金属II族前体和有机金属VI族前体组合以提供前体混合物; (b)用稀释溶剂稀释前体混合物以提供注射混合物; (c)加热配位溶剂; (d)搅拌加热的配位溶剂; 和(e)在加热的配位溶剂被搅拌的同时将注入混合物注入加热的配位溶剂中。 本发明特别适用于制造高质量的Mn掺杂的硒化锌(ZnSe)纳米晶体,高质量的Mn掺杂硫化锌(ZnS)纳米晶体和高品质的Mn掺杂的碲化锌(ZnTe)纳米晶体。
    • 5. 发明授权
    • Self-assembled photonic crystals and methods for manufacturing same
    • 自组装光子晶体及其制造方法
    • US06858079B2
    • 2005-02-22
    • US09946343
    • 2001-09-06
    • David J. NorrisYurii VlasovXiang-Zheng BoJames C. Sturm
    • David J. NorrisYurii VlasovXiang-Zheng BoJames C. Sturm
    • C30B5/00G02B6/122G02B6/13C30B7/02
    • G02B1/005B82Y10/00B82Y20/00B82Y30/00C30B5/00C30B29/60G02B6/1225G02B6/13
    • Self-assembled photonic crystals, including large sphere planar opals, infiltrated planar opals and inverted planar opals, as well as methods for manufacturing same are provided. Large sphere planar opals are manufactured according to a method comprising the steps of: synthesizing monodisperse silica spheres, wherein each of the silica spheres has a diameter greater than or equal to about 400 nanometers; purifying the silica spheres; and self-assembling the silica spheres into a plurality of ordered, planar layers on a substrate. Infiltrated planar opals may also be manufactured by further processing the large sphere planar opal by sintering the planar opal and infiltrating the planar opal with a predetermined material. Inverted planar opals may further be manufactured by removing the silica spheres from the infiltrated planar opal. Various modifications to the substrate and planar opal are also provided to enhance the properties of these photonic crystals.
    • 提供了自组装光子晶体,包括大球平面蛋白石,渗透平面蛋白石和倒平面蛋白石,以及其制造方法。 根据包括以下步骤的方法制造大球状平面蛋白石:合成单分散二氧化硅球体,其中每个二氧化硅球体具有大于或等于约400纳米的直径; 净化二氧化硅球体; 并将二氧化硅球自组装成衬底上的多个有序的平面层。 渗透的平面蛋白石也可以通过用平面蛋白石烧结并用预定材料浸透平面蛋白石进一步加工大球面平面蛋白石来制造。 可以通过从渗透的平面蛋白石中除去二氧化硅球体来进一步制造反向平面蛋白石。 还提供了对基底和平面蛋白石的各种修改以增强这些光子晶体的性质。
    • 8. 发明授权
    • Three-dimensionally patterned materials and methods for manufacturing
same using nanocrystals
    • 使用纳米晶体的三维图案化材料及其制造方法
    • US6139626A
    • 2000-10-31
    • US148521
    • 1998-09-04
    • David J. NorrisYurii A. Vlasov
    • David J. NorrisYurii A. Vlasov
    • B82B3/00C30B5/00G02B6/122H01L21/368C30B7/02
    • G02B6/1225B82Y20/00C30B29/605C30B5/00Y10T428/25
    • A method for patterning materials according to a predetermined, three-dimensional pattern, as well as patterned materials produced by said methods, are provided. A template is prepared comprising a template material, the template having a plurality of pores therein, the plurality of pores comprising a negative of the predetermined, three-dimensional pattern. Colloidal nanocrystals sufficient to fill the pores in the template are also prepared. The pores in the template are filled with the colloidal nanocrystals. A quantum-dot solid is formed from the colloidal nanocrystals within the pores in the template, such that the colloidal nanocrystals are concentrated as close-packed nanocrystals within the pores in the template in the predetermined, three-dimensional pattern. If desired, a conventional solid may be obtained by sintering the close-packed nanocrystals within the pores of the template.
    • 提供了根据预定的三维图案来图案化材料的方法,以及通过所述方法制造的图案化材料。 制备包含模板材料的模板,所述模板在其中具有多个孔,所述多个孔包含预定的三维图案的负值。 还制备了足以填充模板中的孔的胶体纳米晶体。 模板中的孔被胶体纳米晶体填充。 量子点固体由模板中的孔内的胶体纳米晶体形成,使得胶体纳米晶体以预定的三维图案在模板的孔内作为紧密堆积的纳米晶体浓缩。 如果需要,可以通过在模板的孔内烧结紧密堆积的纳米晶体来获得常规的固体。