The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein X is selected from O, S or Se; Ar
1
is selected from unsubstituted or substituted C
2
to C
60
heteroarylene, and wherein the substituted C
2
to C
60
heteroarylene comprises at least about one to about six substituents, wherein the substituent of the substituted C
2
to C
60
heteroarylene are independently selected from C
1
to C
12
alkyl, C
1
to C
12
alkoxy, CN, OH, halogen, C
6
to C
36
arylene, or C
2
to C
25
heteroarylene; n is 1 or 2; L
1
is selected from a single bond, C
1
to C
4
alkyl, substituted or unsubstituted C
6
to C
36
arylene, wherein the substituent of substituted C
6
to C
36
arylene is selected from C
1
to C
12
alkyl, C
6
to C
18
arylene; L
2
is selected from a single bond or C
1
to C
6
alkyl; R
1
, R
2
are independently selected from substituted or unsubstituted C
1
to C
16
alkyl, wherein the substituent of substituted C
1
to C
16
alkyl is selected from C
6
to C
18
arylene or C
2
to C
12
heteroarylene; wherein the compound of formula 1 comprises at least about 4 of C
6
-arylene rings and a molecular mass of at least about 400 g/mol to about 1800 g/mol.
本发明涉及一种式为1的化合物和包含有机半导体层的有机电子器件,其中至少一个有机半导体层包含式(1)的化合物,其中X选择O、S或Se;Ar1选择未取代或取代的C2到C60杂
芳烃,其中取代的C2到C60杂
芳烃包括至少一个到约六个取代基,其中取代基是独立选择的,包括C1到C12烷基、C1到C12烷氧基、CN、OH、卤素、C6到C36
芳烃或C2到C25杂
芳烃;n为1或2;L1选择单键、C1到C4烷基、取代或未取代的C6到C36
芳烃,其中取代的C6到C36
芳烃的取代基选择自C1到C12烷基、C6到C18
芳烃;
L2选择单键或C1到C6烷基;R1、R2独立选择取代或未取代的C1到C16烷基,其中取代的C1到C16烷基的取代基选择自C6到C18
芳烃或C2到C12杂
芳烃;其中式(1)的化合物包括至少4个C6-
芳烃环和分子量至少为约400 g/mol至约1800 g/mol。