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    • 10. 发明申请
    • MOLECULAR COMPOSITIONS, MATERIALS, AND METHODS FOR EFFICIENT MULTIPLE EXCITON GENERATION
    • 分子组合物,材料和方法,用于有效的多项式生成
    • WO2015164831A1
    • 2015-10-29
    • PCT/US2015/027660
    • 2015-04-24
    • THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORKBROOKHAVEN SCIENCE ASSOCIATES, LLC
    • CAMPOS, Luis, MiguelSFIER, Matthew, Y.XIA, JianlongBUSBY, Erik, Michael Allan
    • C08G61/12
    • C08G61/126C08G2261/1424C08G2261/3223C08G2261/3243C08G2261/334
    • Embodiments of the present invention provides compounds, compositions, and methods for their preparation that provide efficient intramolecular fission, such that local order and strong nearest neighbor coupling is no longer a design constraint. Inventive materials include organic oligomers and polymers designed to exhibit strong intrachain donor-acceptor interactions and provide intramolecular singlet fission, whereby triplet populations can be generated in very high yields of, e.g ., 170% or more. The inventive disclosure is directed to polymers of the general formula: [SA-SD] n with a strong electron acceptor (SA), a strong electron donor (SD), and n a positive integer equal to or greater than two; methods for their preparation and monomers used therein, blends, mixtures and formulations containing them; the use of the polymers, blends, mixtures and formulations as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers, blends, mixtures or formulations.
    • 本发明的实施方案提供了其制备中提供有效的分子内裂变的化合物,组合物和方法,使得局部顺序和强近邻偶联不再是设计约束。 本发明的材料包括有机低聚物和聚合物,其设计用于表现出强的内部供体 - 受体相互作用并提供分子内单线裂变,由此以非常高的产率例如170%或更高产生三线态群体。 本发明涉及通式为[SA-SD] n与强电子受体(SA),强电子给体(SD)和n为等于或大于2的正整数的聚合物; 其制备方法及其中使用的单体,含有它们的共混物,混合物和制剂; 在有机电子(OE)器件中,特别是有机光伏(OPV)器件中的聚合物,共混物,混合物和配方作为半导体的使用以及包含这些聚合物,共混物,混合物或配制剂的OE和OPV器件。