A conjugated polymer containing isoindigo units is disclosed, which has the following structure: P: formula I; wherein, Ar is formula II, formula III or formula IV; R
1
is a C
8
-C
20
alkyl; R
2
is a C
1
-C
12
alkyl; n is an integer of 2-50. The conjugated polymer containing isoindigo units of this type has good solubility and film-forming property, as well as high thermal stability. HOMO and LUMO energy level are regulated effectively; the absorption range is broaden; and the energy conversion efficiency is greatly improved. A preparation method for the above conjugated polymer containing isoindigo units and use thereof in related fields are also provided.
本发明揭示了一种含有异
吲哚单元的共轭聚合物,其具有以下结构:P:公式I;其中,Ar为公式II,公式III或公式IV;R1为C8-C20烷基;R2为C1-C12烷基;n为2-50的整数。这种含有异
吲哚单元的共轭聚合物具有良好的溶解性和成膜性,以及高热稳定性。HOMO和LUMO能级得到有效调节,吸收范围得到扩宽,能量转换效率大大提高。本发明还提供了上述含有异
吲哚单元的共轭聚合物的制备方法及其在相关领域中的应用。