SURFACE FUNCTIONALISED NANOPARTICLES
    2.
    发明申请
    SURFACE FUNCTIONALISED NANOPARTICLES 审中-公开
    表面功能纳米粒子

    公开(公告)号:WO2010015824A1

    公开(公告)日:2010-02-11

    申请号:PCT/GB2009/001928

    申请日:2009-08-05

    Abstract: The present invention relates to a process for the production of surface functionalised nanoparticles, such as the production of semiconductor quantum dot nanoparticles incorporating surface-bound functional groups which increase the ease with which the dots can be employed in applications, such as incorporation into solvents, inks, polymers, glasses, metals, electronic materials and devices, bio-molecules and cells. The method comprises reacting first and second nanoparticle precursor species in the presence of a nanoparticle surface binding ligand X-Y-Z wherein X is a nanoparticle surface binding group, Y is a linker group, and Z is a functional group, in which Y comprises a polyethyleneglycol group and/or Z comprises an aliphatic group incorporating a terminal unsaturated group, said reaction being effected under conditions permitting binding of said surface binding ligand to the growing nanoparticles to produce said surface functionalised nanoparticles.

    Abstract translation: 本发明涉及制备表面官能化纳米颗粒的方法,例如制备掺入表面结合官能团的半导体量子点纳米颗粒,这增加了在应用中可以使用点的容易性,例如掺入溶剂中, 油墨,聚合物,玻璃,金属,电子材料和装置,生物分子和细胞。 该方法包括在纳米颗粒表面结合配体XYZ的存在下使第一和第二纳米颗粒前体物质反应,其中X是纳米颗粒表面结合基团,Y是连接基团,Z是官能团,其中Y包含聚乙二醇基团, /或Z包含掺入末端不饱和基团的脂族基团,所述反应在允许所述表面结合配体与生长的纳米颗粒结合以产生所述表面官能化纳米颗粒的条件下进行。

    NANOPARTICLES
    3.
    发明申请
    NANOPARTICLES 审中-公开
    纳米粒子

    公开(公告)号:WO2009040553A2

    公开(公告)日:2009-04-02

    申请号:PCT/GB2008/003288

    申请日:2008-09-26

    Abstract: A nanoparticle comprising a core comprised of a first material and a layer comprised of a second material. One of the first and second materials is a semiconductor material incorporating ions from group 13 and group 15 of the periodic table and the other of the first and second materials is a metal oxide material incorporating metal ions selected from any one of groups 1 to 12, 14 and 15 of the periodic table. Methods for preparing such nanoparticle are also described. There is further provided a nanoparticle comprising a core comprised of a first material and a layer comprised of a second material deposited on said core, wherein one of the first and second materials is a semiconductor material and the other of the first and second materials is an oxide of a metal selected from any one of groups 3 to 10 of the periodic table.

    Abstract translation: 一种纳米颗粒,其包含由第一材料构成的芯和由第二材料构成的层。 第一和第二材料之一是包含周期表第13族和第15族的离子的半导体材料,第一和第二材料中的另一种是掺入选自组1至12中任一组的金属离子的金属氧化物材料, 14和15周期表。 还描述了制备这种纳米颗粒的方法。 还提供了一种纳米颗粒,其包括由第一材料构成的芯和由沉积在所述芯上的第二材料构成的层,其中第一和第二材料之一是半导体材料,第一和第二材料中的另一个是 选自元素周期表第3至10族中的任何一种的金属的氧化物。

    CONTROLLED PREPARATION OF NANOPARTICLE MATERIALS

    公开(公告)号:WO2007049052A3

    公开(公告)日:2007-05-03

    申请号:PCT/GB2006/004003

    申请日:2006-10-27

    Inventor: PICKETT, Nigel

    Abstract: A method of producing nanoparticles comprising effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles, said precursor composition comprising a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a second precursor species containing a second ion to be incorporated into the growing nanoparticles, said conversion being effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles, wherein the method comprises dispersing the molecular cluster compound and an initial portion of the nanoparticle precursor composition which is less than the total amount of the nanoparticle precursor composition to be used to produce said nanoparticles in a suitable dispersing medium at a first temperature; increasing the temperature of the dispersing medium containing the cluster compound and precursor composition to a second temperature which is sufficient to initiate seeding and growth of the nanoparticles on the molecular clusters of said molecular cluster compound; and adding one or more further portions of the nanoparticle precursor composition to the dispersing medium containing the growing nanoparticles, wherein the temperature of the dispersing medium containing the growing nanoparticles is increased before, during and/or after the addition of the or each further portion of the nanoparticle precursor composition.

    METHOD FOR PRODUCING AQUEOUS COMPATIBLE NANOPARTICLES
    7.
    发明申请
    METHOD FOR PRODUCING AQUEOUS COMPATIBLE NANOPARTICLES 审中-公开
    生产含水相容纳米颗粒的方法

    公开(公告)号:WO2010010329A2

    公开(公告)日:2010-01-28

    申请号:PCT/GB2009/001777

    申请日:2009-07-17

    Abstract: The present invention relates to a method for producing aqueous compatible nanoparticles. More particularly, the present invention provides a method for producing aqueous compatible semiconductor nanoparticles by binding pre- modified ligands to the nanoparticles without the need for further post-binding modification to render the nanoparticles aqueous compatible. Nanoparticles modified in this way can exhibit enhanced fluorescence and stability compared to aqueous compatible nanoparticles producing using prior art methods requiring post-binding modification processes.

    Abstract translation: 本发明涉及一种生产含水相容性纳米颗粒的方法。 更具体地说,本发明提供了通过将预修饰的配体结合到纳米颗粒而不需要进一步的结合后修饰以使纳米颗粒与水性相容的方法来制备水相容的半导体纳米颗粒的方法。 与使用需要结合后修饰过程的现有技术方法生产的水相容性纳米颗粒相比,以这种方式修饰的纳米颗粒可以表现出增强的荧光和稳定性。

    CORE SHELL NANOPARTICLES AND PREPARATION METHOD THEREOF
    8.
    发明申请
    CORE SHELL NANOPARTICLES AND PREPARATION METHOD THEREOF 审中-公开
    核壳纳米颗粒及其制备方法

    公开(公告)号:WO2009040553A3

    公开(公告)日:2009-07-23

    申请号:PCT/GB2008003288

    申请日:2008-09-26

    Abstract: A nanoparticle comprising a core comprised of a first material and a layer comprised of a second material. One of the first and second materials is a semiconductor material incorporating ions from group 13 and group 15 of the periodic table and the other of the first and second materials is a metal oxide material incorporating metal ions selected from any one of groups 1 to 12, 14 and 15 of the periodic table. Methods for preparing such nanoparticle are also described. There is further provided a nanoparticle comprising a core comprised of a first material and a layer comprised of a second material deposited on said core, wherein one of the first and second materials is a semiconductor material and the other of the first and second materials is an oxide of a metal selected from any one of groups 3 to 10 of the periodic table.

    Abstract translation: 一种纳米颗粒,其包含由第一材料构成的芯和由第二材料构成的层。 第一和第二材料之一是包含周期表第13族和第15族的离子的半导体材料,第一和第二材料中的另一种是掺入选自组1至12中任一组的金属离子的金属氧化物材料, 14和15周期表。 还描述了制备这种纳米颗粒的方法。 还提供了一种纳米颗粒,其包括由第一材料构成的芯和由沉积在所述芯上的第二材料构成的层,其中第一和第二材料之一是半导体材料,第一和第二材料中的另一个是 选自元素周期表第3至10族中的任何一种的金属的氧化物。

    CONTROLLED PREPARATION OF NANOPARTICLE MATERIALS
    10.
    发明申请
    CONTROLLED PREPARATION OF NANOPARTICLE MATERIALS 审中-公开
    控制制备纳米材料

    公开(公告)号:WO2007049052A2

    公开(公告)日:2007-05-03

    申请号:PCT/GB2006004003

    申请日:2006-10-27

    Inventor: PICKETT NIGEL

    Abstract: A method of producing nanoparticles comprising effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles, said precursor composition comprising a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a second precursor species containing a second ion to be incorporated into the growing nanoparticles, said conversion being effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles, wherein the method comprises dispersing the molecular cluster compound and an initial portion of the nanoparticle precursor composition which is less than the total amount of the nanoparticle precursor composition to be used to produce said nanoparticles in a suitable dispersing medium at a first temperature; increasing the temperature of the dispersing medium containing the cluster compound and precursor composition to a second temperature which is sufficient to initiate seeding and growth of the nanoparticles on the molecular clusters of said molecular cluster compound; and adding one or more further portions of the nanoparticle precursor composition to the dispersing medium containing the growing nanoparticles, wherein the temperature of the dispersing medium containing the growing nanoparticles is increased before, during and/or after the addition of the or each further portion of the nanoparticle precursor composition.

    Abstract translation: 一种制备纳米颗粒的方法,其包括使纳米颗粒前体组合物转化为纳米颗粒的材料,所述前体组合物包含含有待结合到生长纳米颗粒中的第一离子的第一前体物质和含有第二离子的第二前体物质 掺入生长的纳米颗粒中,所述转化在允许纳米颗粒的接种和生长的条件下在分子簇化合物的存在下进行,其中所述方法包括将分子簇化合物和初始部分的纳米颗粒前体组合物分散在小于 用于在合适的分散介质中在第一温度下制备所述纳米颗粒的纳米颗粒前体组合物的总量; 将含有簇化合物和前体组合物的分散介质的温度升高到足以引发纳米颗粒在所述分子簇化合物的分子簇上的接种和生长的第二温度; 以及将纳米颗粒前体组合物的一个或多个其它部分加入到含有生长的纳米颗粒的分散介质中,其中含有生长的纳米颗粒的分散介质的温度在加入之前,期间和/或之后增加 纳米颗粒前体组合物。

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