POLYMER, ORGANIC THIN FILM SOLAR CELL USING SAME, AND ELECTRONIC DEVICE PROVIDED WITH SAID SOLAR CELL
申请人:Kabushiki Kaisha Toshiba
公开号:EP2915831A1
公开(公告)日:2015-09-09
[Object]
To provide a polymer excellent enough in photoelectric conversion efficiency and in light resistance to be suitable for solar cells, also to provide a solar cell using the polymer, and further to provide an electronic product comprising the cell.
[Means]
Embodiments of the present disclosure provide a polymer comprising a repeating unit of the following formula (M1).
(In the formula, R1 is a substituent group selected from the group consisting of unsubstituted alkyl groups, substituted alkyl groups, unsubstituted alkoxy groups, and substituted alkoxy groups; each R2 is independently a substituent group selected from the group consisting of hydrogen, halogen, unsubstituted alkyl groups, substituted alkyl groups, unsubstituted alkoxy groups, substituted alkoxy groups, unsubstituted aryl groups, and substituted aryl groups; and each X is independently an atom selected from the group consisting of O, S and Se, wherein the polymer has a weight average molecular weight of 3000 to 1000000. The embodiments also provide a solar cell having an active layer containing the above polymer and further an electronic product comprising that cell.
目的
提供一种在光电转换效率和耐光性方面足够优异以适用于太阳能电池的聚合物,还提供一种使用该聚合物的太阳能电池,以及进一步提供一种包含该电池的电子产品。
手段
本公开的实施例提供了一种聚合物,其包含下式(M1)的重复单元。
(式中:R1 是选自由未取代的烷基、取代的烷基、未取代的烷氧基和取代的烷氧基组成的取代基团;每个 R2 独立地是选自由氢、卤素、未取代的烷基、取代的烷基、未取代的烷氧基、取代的烷氧基、未取代的芳基和取代的芳基组成的组的取代基团;以及每个 X 独立地是选自由 O、S 和 Se 组成的组的原子,其中聚合物的重量平均分子量为 3000 至 1000000。本发明实施例还提供了一种太阳能电池,其活性层含有上述聚合物,并进一步提供了一种包含该电池的电子产品。