The present invention relates to a compound having a general formula selected from the group consisting of formula Ia and Ib
wherein
K
represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group;
X
is selected from the group consisting of a C-C-bond, O, S, SO2 and NR', wherein R' represents a hydrogen or an aliphatic or aromatic group;
A
represents a fluorinated or perfluorinated aromatic group;
n
represents an integer in the range from 2 to 6;
m
represents an integer in the range from 1 to 3.
The present invention also relates to a composition comprising this compound, to a process for the preparation of a conductive layer using this composition, to a conductive layer comprising the compound according to the present invention, to electronic components comprising this conductive layer and to the use of the compound according to the present invention as an additive in a hole-injection layer of an OLED or in an organic solar cell.
本发明涉及一种通式选自由式 Ia 和 Ib 组成的组的化合物
其中
K
代表芳香族或杂芳香族基团,其中至少一个氢原子可被选自
磺酸基团、
硫酸基团、
铵基团和脂肪族基团的官能团取代;
X
选自由 C-C-键、O、S、SO2 和 NR'组成的组,其中 R'代表氢或脂肪族或芳香族基团;
A
代表
氟化或
全氟芳香基团;
n
代表 2-6 之间的整数;
m
代表 1 至 3 之间的整数。
本发明还涉及一种包含该化合物的组合物、一种使用该组合物制备导电层的工艺、一种包含根据本发明的化合物的导电层、一种包含该导电层的电子元件,以及根据本发明的化合物在有机发光二极管的注孔层或有机太阳能电池中作为添加剂的用途。