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    • 52. 发明授权
    • Light-emitting material
    • 发光材料
    • US08980440B2
    • 2015-03-17
    • US12295933
    • 2007-04-03
    • Mohammad Khaja NazeeruddinCedric KleinMichael Graetzel
    • Mohammad Khaja NazeeruddinCedric KleinMichael Graetzel
    • H01L51/50C07F15/00
    • C07F15/0046Y10S428/917Y10T428/265Y10T428/31504
    • This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [C^N]2M(T)(L), comprising chelate dialkylamino-substituted C^N ligands, monodentate neutral ligand (L) having sp2 hybridized N atom and a monodentate anionic ligand (T) chosen among CN−, CNO−, CNS−. It has been surprisingly found that when the metal has bound thereto in addition to substituted orthometalated ligands, both an anion chosen among cyanide, thiocyanate, cyanate, possessing strong C donor and π acceptor properties, and a monodentate neutral ligand L, as above defined, said ligands advantageously participate in the emission process, significantly shifting emission towards higher energies (blue-shift) and enabling appreciable improvement of the emission efficiency of complexes [C^N]2M(T)(L).Still objects of the invention are the use of said light emitting materials and organic light emitting device comprising said light emitting material.
    • 本发明涉及包含新型邻位金属过渡金属络合物[C 1 N] 2M(T)(L))的发光材料,其包含螯合二烷基氨基取代的C 1 N配体,具有sp2杂化的N原子的单齿中性配体(L)和 选自CN-,CNO-,CNS-的单齿阴离子配位体(T)。 已经令人惊奇地发现,当金属除了取代的正极金属化配体之外还结合有金属时,选自氰化物,硫氰酸盐,氰酸盐,具有强C供体和阴离子的阴离子; 受体特性和如上所定义的单齿中性配体L,所述配体有利地参与发射过程,将发射显着地偏移到更高的能量(蓝移)并且使复合物的发射效率明显提高[C ^ N] 2M (T)(L)。 本发明的另一个目的是使用所述发光材料和包括所述发光材料的有机发光器件。
    • 59. 发明授权
    • Photovoltaic cell
    • 光伏电池
    • US07420117B2
    • 2008-09-02
    • US10417659
    • 2003-04-17
    • Tsuguo KoyanagiMichael Graetzel
    • Tsuguo KoyanagiMichael Graetzel
    • H01L31/00
    • H01L51/4226H01G9/2031H01G9/2036H01L51/0086Y02E10/542Y02E10/549
    • A photovoltaic cell includes a substrate having an electrode layer on the surface and having a porous metal oxide semiconductor film which is formed on the electrode layer and on which a photosensitizer is adsorbed, a substrate having an electrode layer on the surface, both of said substrates being arranged in such a manner that the electrode layer and the electrode layer face each other, and an electrolyte layer provided between the semiconductor film and the electrode layer, wherein the semiconductor film contains an inhibitor of back current, and at least one pair of substrate and electrode layer thereon have transparency. The photovoltaic cell is capable of inhibiting back current and decomposition of a spectrosensitizing dye caused by the ultraviolet rays, has high photoelectric conversion efficiency and is capable of generating high electromotive force.
    • 光伏电池包括在表面上具有电极层的基板,并且具有多孔金属氧化物半导体膜,该多孔金属氧化物半导体膜形成在电极层上,并且其上吸附有光敏剂,具有表面上的电极层的基板,两个基板 以使得电极层和电极层彼此面对的方式布置,以及设置在半导体膜和电极层之间的电解质层,其中半导体膜包含反向电流抑制剂,以及至少一对基板 其上的电极层具有透明性。 光电池能够抑制由紫外线引起的光敏染料的回流和分解,具有高的光电转换效率并且能够产生高电动势。
    • 60. 发明授权
    • Tandem cell for water cleavage by visible light
    • 用可见光水分解的串联电池
    • US06936143B1
    • 2005-08-30
    • US10030036
    • 2000-04-07
    • Michael GraetzelJan Augustynski
    • Michael GraetzelJan Augustynski
    • H01L31/04C25B1/00H01M14/00C25B9/00C25B11/00
    • C25B1/003Y02E10/542Y02E60/368Y02P20/135Y02P70/521
    • A tandem cell or photoelectrochemical system for the cleavage of water to hydrogen and oxygen by visible light has two superimposed photocells, both cells being connected electrically. The photoactive material in the top cell is a semiconducting oxide placed in contact with an aqueous solution. This semiconducting oxide absorbs the blue and green part of the solar emission spectrum of a light source or light sources and generates with the energy collected oxygen and protons from water. The not absorbed yellow and red light transmits the top cell and enters a second photocell, the bottom cell, which is mounted, in the direction of the light behind, preferably directly behind the top cell. The bottom cell includes a dye-sensitized mesoporous photovoltaic film. The bottom cell converts the yellow, red and near infrared portion of the sunlight to drive the reduction of the protons, which are produced in the top cell during the photo catalytic water oxidation process, to hydrogen.
    • 用于通过可见光将水切割成氢和氧的串联电池或光电化学系统具有两个叠加的光电池,两个电池均电连接。 顶部电池中的光活性材料是与水溶液接触放置的半导体氧化物。 该半导体氧化物吸收光源或光源的太阳辐射光谱的蓝色和绿色部分,并产生能量从水中收集的氧和质子。 未被吸收的黄色和红色光透射顶部单元并且进入安装在后面的光的方向上的第二光电池,优选地直接位于顶部单元的后面。 底部电池包括染料敏化介孔光伏膜。 底部电池转换太阳光的黄色,红色和近红外部分以驱动在光催化水氧化过程中在顶部电池中产生的质子的还原为氢。