BLUE EMITTING SEMICONDUCTOR NANOCRYSTALS AND COMPOSITIONS AND DEVICES INCLUDING SAME
    12.
    发明申请
    BLUE EMITTING SEMICONDUCTOR NANOCRYSTALS AND COMPOSITIONS AND DEVICES INCLUDING SAME 有权
    蓝色发光半导体纳米晶体和组合物及其装置

    公开(公告)号:US20150184074A1

    公开(公告)日:2015-07-02

    申请号:US14563531

    申请日:2014-12-08

    Abstract: A semiconductor nanocrystal capable of emitting blue light upon excitation. Also disclosed are devices, populations of semiconductor nanocrystals, and compositions including a semiconductor nanocrystal capable of emitting blue light upon excitation. In one embodiment, a semiconductor nanocrystal capable of emitting blue light including a maximum peak emission at a wavelength not greater than about 470 nm with a photoluminescence quantum efficiency greater than about 65% upon excitation. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting blue light with a photoluminescence quantum efficiency greater than about 65% upon excitation. In a further embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation.

    Abstract translation: 激发后能够发出蓝光的半导体纳米晶体。 还公开了半导体纳米晶体的器件,群体,以及包括在激发时能够发射蓝光的半导体纳米晶体的组合物。 在一个实施方案中,能够发射包括波长不大于约470nm的最大峰值发射的蓝光的半导体纳米晶体,其光致发光量子效率在激发时大于约65%。 在另一个实施例中,半导体纳米晶体包括芯,其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳,壳包括第二半导体材料,其中半导体纳米晶体能够发射 激发后光致发光量子效率大于约65%的蓝光。 在另一实施例中,半导体纳米晶体包括芯,其包括包含至少三个化学元件的第一半导体材料和设置在芯的至少一部分上的外壳,壳包括包含至少三个化学元素的第二半导体材料,其中 半导体纳米晶体在激发时能够发射包括光谱的蓝色区域中的最大峰值发射的光。

    SOLUTION-PROCESSED SOL-GEL FILMS, DEVICES INCLUDING SAME, AND METHODS
    14.
    发明申请
    SOLUTION-PROCESSED SOL-GEL FILMS, DEVICES INCLUDING SAME, AND METHODS 有权
    溶液处理溶胶膜,包括其的装置和方法

    公开(公告)号:US20150001528A1

    公开(公告)日:2015-01-01

    申请号:US14296163

    申请日:2014-06-04

    Abstract: A method for preparing a sol-gel film is disclosed. The method comprises providing a sol-gel composition comprising one or more sol-gel film precursors and a crystallization aid, and processing the sol-gel composition by solution processing to form the sol-gel film. In certain embodiments, the sol-gel film comprises one or more metal oxides. A preferred crystallization aid includes triphenylphosphine oxide. A composition for making a sol-gel film, a sol-gel film, a device including a sol-gel film and a method for making such device are also disclosed.

    Abstract translation: 公开了一种制备溶胶 - 凝胶膜的方法。 该方法包括提供包含一种或多种溶胶 - 凝胶膜前体和结晶助剂的溶胶 - 凝胶组合物,并通过溶液处理加工溶胶 - 凝胶组合物以形成溶胶 - 凝胶膜。 在某些实施方案中,溶胶 - 凝胶膜包含一种或多种金属氧化物。 优选的结晶助剂包括三苯基氧化膦。 还公开了一种制备溶胶 - 凝胶膜的组合物,溶胶 - 凝胶膜,包括溶胶 - 凝胶膜的装置及其制造方法。

    Semiconductor nanocrystals and compositions and devices including same
    15.
    发明授权
    Semiconductor nanocrystals and compositions and devices including same 有权
    半导体纳米晶体及其组成和装置,包括它们

    公开(公告)号:US08691114B2

    公开(公告)日:2014-04-08

    申请号:US13768714

    申请日:2013-02-15

    Abstract: A composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 65%. Also disclosed is a composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 60% upon excitation.

    Abstract translation: 一种组合物,其包含半导体纳米晶体,所述半导体纳米晶体包括芯,所述芯包括包含至少三个化学元素的第一半导体材料和设置在所述芯的至少一部分上的壳,所述壳包含第二半导体材料,其中所述半导体纳米晶体能够发光 激发后的光致发光量子效率大于约65%。 还公开了包含半导体纳米晶体的组合物,其包括芯,其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳,壳包含包含至少三个化学元素的第二半导体材料, 其中所述半导体纳米晶体在激发时能够发射具有大于约60%的光致发光量子效率的光。

    QUANTUM DOTS, METHOD, AND DEVICES
    16.
    发明申请
    QUANTUM DOTS, METHOD, AND DEVICES 有权
    量子点,方法和设备

    公开(公告)号:US20140027711A1

    公开(公告)日:2014-01-30

    申请号:US14041618

    申请日:2013-09-30

    Abstract: A quantum dot including a fluorine-containing ligand attached to a surface thereof and having a coating comprising a fluoropolymer over at least a portion of the outer surface of the quantum dot. A method for preparing a quantum dot with a coating comprising a fluoropolymer over at least a portion of the outer surface of the quantum dot is also disclosed. The method comprises contacting a quantum dot having a fluorine-containing ligand attached to a surface thereof with a fluoropolymer to coat the fluoropolymer over at least a portion of the outer surface of the quantum dot. A device including the quantum dot taught herein is further disclosed. An emissive material including the quantum dot taught herein is further disclosed.

    Abstract translation: 一种量子点,其包括附着在其表面上的含氟配体,并且在该量子点的外表面的至少一部分上具有包含含氟聚合物的涂层。 还公开了在量子点的外表面的至少一部分上制备包含含氟聚合物的涂层的量子点的方法。 该方法包括使具有附着在其表面上的含氟配体的量子点与含氟聚合物接触,以在该量子点的外表面的至少一部分上涂覆含氟聚合物。 进一步公开了包括本文教导的量子点的装置。 进一步公开了包括本文教导的量子点的发射材料。

    DEVICE INCLUDING QUANTUM DOTS
    19.
    发明申请

    公开(公告)号:US20170125633A1

    公开(公告)日:2017-05-04

    申请号:US15350068

    申请日:2016-11-13

    Abstract: A method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, fixing the layer comprising quantum dots formed over the substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. The layer comprising quantum dots can be preferably fixed in the absence or substantial absence of oxygen. Also disclosed is a method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, exposing the layer comprising quantum dots to small molecules and light flux. Also disclosed is a method of making a film including a layer comprising quantum dots, the method comprising forming a layer comprising quantum dots over a carrier substrate, fixing the layer comprising quantum dots formed over the carrier substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. The layer comprising quantum dots can be preferably fixed in the absence or substantial absence of oxygen. Also disclosed is a method of preparing a device component including a layer comprising quantum dots, the method comprising forming a layer comprising quantum dots over a layer comprising a charge transport material, exposing the layer comprising quantum dots to small molecules and light flux. Devices, device components, and films are also disclosed.

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