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    • 4. 发明申请
    • PROCESS OF FORMING A CADMIUM AND SELENIUM CONTAINING NANOCRYSTALLINE COMPOSITE AND NANOCRYSTALLINE COMPOSITE OBTAINED THEREFROM
    • 形成包含纳米复合材料的纳米复合材料和纳米复合材料的方法
    • US20110233468A1
    • 2011-09-29
    • US12672269
    • 2008-08-06
    • Yun ZongMingyong HanWolfgang Knoll
    • Yun ZongMingyong HanWolfgang Knoll
    • C09K11/54B82Y20/00
    • C09K11/565C09K11/883
    • Provided is a process of forming a Cd and Se containing nanocrystalline composite. The nanocrystalline composite has a composition of one of (a) Cd, M, Se, (b) Cd, Se, A, and (c) Cd, M, Se, A, with M being an element of group (12) of the PSE other than Cd and A being an element of group (16) of the PSE other than O and Se. In one embodiment in a suitable solvent a solution of the element Cd, or a precursor thereof, and, where applicable, of M, or a precursor thereof is formed. To the solution the element Se and, where applicable, A is added and thereby a reaction mixture formed. The reaction mixture is heated for a sufficient period of time at a temperature suitable for forming the Cd and Se containing nanocrystalline composite and then the reaction mixture is allowed to cool. Finally the Cd and Se containing nanocrystalline composite isolated. In another embodiment the reaction mixture is formed by adding into a suitable solvent the element Cd, or a precursor thereof, Se, where applicable M and where applicable A. In this embodiment the reaction mixture is heated and water formed during the process is being removed.
    • 提供了形成含Cd和Se的纳米晶复合材料的方法。 纳米晶复合物具有(a)Cd,M,Se,(b)Cd,Se,A和(c)Cd,M,Se,A中的一种的组成,M是组(12)的元素 除了Cd和A之外的PSE是除了O和Se之外的PSE的组(16)的元素。 在一个实施方案中,在合适的溶剂中,形成元素Cd或其前体,以及适用的M或其前体的溶液。 向溶液中加入元素Se和(如适用)A,形成反应混合物。 将反应混合物在适于形成含Cd和Se的纳米晶复合材料的温度下加热足够的时间,然后使反应混合物冷却。 最后分离Cd和Se纳米晶复合物。 在另一个实施方案中,反应混合物通过在合适的溶剂中加入元素Cd或其前体Se,在适用的情况下加入,并且在适用的情况下,在适用的情况下,A形成。在该实施方案中,将反应混合物加热并在该过程中形成水 。
    • 6. 发明申请
    • METHODS OF FORMING A NANOCRYSTAL
    • 形成纳米晶的方法
    • US20110033368A1
    • 2011-02-10
    • US12681771
    • 2008-10-03
    • Enyi YeYin Win KhinMingyong Han
    • Enyi YeYin Win KhinMingyong Han
    • C01B19/04C01B19/00C01G49/02C01G45/02C01G9/02C01G51/04B82Y99/00
    • C30B7/00B82Y30/00C09K11/54C09K11/602C09K11/605C09K11/883C30B29/40C30B29/48C30B29/60
    • Methods of forming a nanocrystal are provided. The nanocrystal may be a binary nanocrystal of general formula M1A or of general formula M1O, a ternary nanocrystal of general formula M1M2A, of general formula M1AB or of general formula M1M2O or a quaternary nanocrystal of general formula M1M2AB. M1 is a metal of Groups II-IV, Group VII or Group VIII of the PSE. A is an element of Group VI or Group V of the PSE. O is oxygen. A homogenous reaction mixture in a non-polar solvent of low boiling point is formed, that includes a metal precursor containing the metal M1 and, where applicable M2. For an oxygen containing nanocrystal the metal precursor contains an oxygen donor. Where applicable, A is also included in the homogenous reaction mixture. The homogenous reaction mixture is under elevated pressure brought to an elevated temperature that is suitable for forming a nanocrystal.
    • 提供了形成纳米晶体的方法。 纳米晶体可以是通式M1A或通式M1O的二元纳米晶体,通式M1M2A的三元纳米晶体,通式M1AB或通式M1M2O或通式M1M2AB的季纳米晶体。 M1是PSE的II-IV族,VII族或VIII族的金属。 A是PSE的第VI组或第V组的要素。 O是氧气。 在低沸点的非极性溶剂中形成均匀的反应混合物,其包括含有金属M1的金属前体,以及适用的M2。 对于含氧纳米晶体,金属前体含有氧供体。 在适用的情况下,A也包含在均匀的反应混合物中。 均匀的反应混合物在升高的压力下达到适于形成纳米晶体的升高的温度。
    • 9. 发明申请
    • WATER-SOLUBLE NANOCRYSTALS AND METHODS OF PREPARING THEM
    • 水溶性纳米晶体及其制备方法
    • US20110129944A1
    • 2011-06-02
    • US11813906
    • 2005-01-17
    • Fuke WangMingyong Han
    • Fuke WangMingyong Han
    • G01N33/544C07F9/28C08B37/16
    • C09K11/025B82Y15/00C08B37/0012C08B37/0015C09K11/565C09K11/883G01N33/588
    • Disclosed is a water soluble nanocrystal having a core comprising at least one metal M1 selected from an element of subgroup IIb, subgroup VIIa, subgroup VI11a, subgroup 1b, subgroup IV, main group II or main group III of the periodic system of the elements (PSE), at least one element A selected from an element of the main group V or VI of the periodic system of the elements, wherein a capping reagent is attached to the surface of the core of the nanocrystal, and wherein the capping reagent forms a host guest complex with a water soluble host molecule. Also disclosed is a water soluble nanocrystal having a core comprising at least one metal M1 selected from an element of subgroup I1b, subgroup VI1a, subgroup VI11a, subgroup 1b, subgroup IV, main group II or main group III of the periodic system of the elements (PSE), and at least one element A selected from an element of the main group V or VI of the periodic system of the elements, wherein a capping reagent is attached to the surface of the core of the nanocrystal, and wherein the capping reagent is covalently linked to a water soluble host molecule. Also disclosed is a water soluble nanocrystal having a core comprising at least one metal M1 selected from an element of subgroup I1b, subgroup VI1a, subgroup VI11a, subgroup 1b, subgroup IV, main group II or main group III of the periodic system of the elements (PSE), wherein a capping reagent is attached to the surface of the core of the nanocrystal, and wherein the capping reagent forms a host guest complex with a water soluble host molecule. Finally, compositions and uses of such nanocrystals are disclosed.
    • 公开了一种水溶性纳米晶体,其具有包含至少一种金属M1的核心,所述金属M1选自元素周期系统的亚组IIb,亚组VIIa,亚组VI11a,亚组1b,亚组IV,主要组II或主要组III的元素( PSE),至少一种元素A,其选自元素周期系统的主族V或VI的元素,其中封端剂附着到纳米晶体的芯的表面,并且其中封端剂形成 主要客体复合物与水溶性主体分子。 还公开了一种水溶性纳米晶体,其具有包含至少一种金属M1的核心,所述金属M1选自元素周期系统的亚组I1b,亚组VI1a,亚组VI11a,亚组1b,亚组IV,主组II或主组III的元素 (PSE)和选自元素周期性系统的主族V或VI的元素中的至少一种元素A,其中封端剂附着到纳米晶体的芯的表面,并且其中封端剂 与水溶性主体分子共价连接。 还公开了一种水溶性纳米晶体,其具有包含至少一种金属M1的核心,所述金属M1选自元素周期系统的亚组I1b,亚组VI1a,亚组VI11a,亚组1b,亚组IV,主组II或主组III的元素 (PSE),其中封端剂附着在纳米晶体的芯的表面上,并且其中封端剂与水溶性主体分子形成宿主客体络合物。 最后,公开了这种纳米晶体的组成和用途。