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    • 26. 发明授权
    • Macromolecular compound
    • 高分子化合物
    • US09472763B2
    • 2016-10-18
    • US13502673
    • 2010-10-29
    • Ken YoshimuraKenichiro Ohya
    • Ken YoshimuraKenichiro Ohya
    • H01L51/00C08G61/12H01L51/05
    • H01L51/0036C07D333/32C07D495/14C08G61/126C08G2261/124C08G2261/1412C08G2261/18C08G2261/228C08G2261/312C08G2261/314C08G2261/3142C08G2261/3223C08G2261/3241C08G2261/3242C08G2261/3243C08G2261/3245C08G2261/3246C08G2261/344C08G2261/364C08G2261/91H01L51/0043H01L51/0545H01L51/424Y02E10/549
    • The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell. Specifically, the present invention provides a macromolecular compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent heterocyclic group; X1 represents —O—, —S—, —C(═O)—, —S(═O)—, —SO2—, —Si(R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(═O)(R8)—; and R51 represents an alkyl group having 6 or more carbon atoms, an alkyloxy group having 6 or more carbon atoms, an alkylthio group having 6 or more carbon atoms, an aryl group having 6 or more carbon atoms, an aryloxy group having 6 or more carbon atoms, an arylthio group having 6 or more carbon atoms, an arylalkyl group having 7 or more carbon atoms, an arylalkyloxy group having 7 or more carbon atoms, an arylalkylthio group having 7 or more carbon atoms, an acyl group having 6 or more carbon atoms, or an acyloxy group having 6 or more carbon atoms.
    • 本发明提供了一种大分子化合物,当将高分子化合物用于包含在光伏电池中的有机层中时,短路电流密度和光电转换效率得到提高。 具体而言,本发明提供具有式(1)表示的结构单元的高分子化合物:其中Ar1和Ar2彼此相同或不同,表示三价杂环基; X表示-O - , - S - , - C(= O) - , - S(= O) - , - SO 2 - , - Si(R 3)(R 4) - , - R6) - ,-P(R7) - 或-P(= O)(R8) - ; R51表示碳原子数6以上的烷基,碳原子数6以上的烷氧基,碳原子数6以上的烷硫基,碳原子数6以上的芳基,碳原子数为6以上的芳氧基, 碳原子数为6以上的芳硫基,碳原子数7以上的芳烷基,碳原子数7以上的芳基烷氧基,碳原子数7以上的芳基烷硫基,碳数6以上的酰基 碳原子或碳原子数6以上的酰氧基。