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    • 49. 发明授权
    • Photosensitizer and photovoltaic device
    • 光敏剂和光电器件
    • US08471018B2
    • 2013-06-25
    • US12934447
    • 2009-03-25
    • Noriyo YamanakaMasaki MinamiTsutomu NakamuraHideki MasudaZhengzhe Jin
    • Noriyo YamanakaMasaki MinamiTsutomu NakamuraHideki MasudaZhengzhe Jin
    • C07F15/00H01L51/00
    • C07F15/0053C07D213/38C07D471/04C07D471/22H01G9/2031H01G9/2059H01L51/0086Y02E10/542Y02E10/549
    • Disclosed is a novel photosensitizer that can absorb light in a wide visible light region and in the case of a very thin film form, can enhance a light absorption efficiency by virtue of a large light absorption coefficient. The photosensitizer is used for metal oxide semiconductor electrodes and comprises a metal complex represented by a general formula ML1L2X2, wherein M is a group 8 transition metal of the periodic table, Xs are each independently a halogen atom, a cyano group, a thiocyanate group, an isothiocyanate group, an isocyanate group, an isocyanide group or a hydroxyl group, or a bidentate ligand in the case where Xs are bonded to one another, L1 and L2 are each a ligand having an aromatic ring, and either L1 or L2 has a functional group having a COOH group or PO(OH)2, and when the photosensitizer is adsorbed on a metal oxide semiconductor electrode via ligands L1 and L2, the difference ΔL between the energy levels of ligands L1 and L2 in their excited states, calculated in accordance with a GAUSSIAN03 quantum chemistry calculation program is 0.25 eV or more.
    • 公开了一种新颖的光敏剂,其可以吸收宽可见光区域中的光,并且在非常薄的膜形式的情况下,可以通过大的光吸收系数提高光吸收效率。 光敏剂用于金属氧化物半导体电极,并且包含由通式ML1L2X2表示的金属络合物,其中M是周期表的第8族过渡金属,Xs各自独立地为卤素原子,氰基,硫氰酸酯基, 异氰酸酯基,异氰酸酯基,异氰酸酯基或羟基,或在X相互键合的情况下的二齿配位体,L1和L2各自为具有芳香环的配体,L1或L2具有 具有COOH基或PO(OH)2的官能团,并且当光敏剂经由配体L1和L2吸附在金属氧化物半导体电极上时,其激​​发态的配体L1和L2的能级之间的差值DeltaL以 按照GAUSSIAN03量子化学计算程序为0.25 eV以上。