An organic semiconductor having at least one compound of formula (PC-1); and a compound represented by formula (PC-1a):
wherein M is a metallic atom, or two hydrogen atoms which bond respectively to a nitrogen atom of an isoindole ring and to a nitrogen atom of an isoindoline ring; R
1
to R
16
each independently are a hydrogen atom or a substituent, in which at least two substituents of R
1
to R
16
in formula (PC-1) are two or more different substituents, and in which at least one of the substituents of R
1
to R
16
in formula (PC-1a) is a fluorine atom, and at least one of the substituents of R
1
to R
16
in formula (PC-1a) is an electron-attracting group other than a fluorine atom.
具有至少一个化合物(PC-1)的有机半导体;以及由公式(PC-1a)表示的化合物:其中M是
金属原子,或分别与异
吲哚环的氮原子和
异吲哚啉环的氮原子结合的两个氢原子;R1至R16各自独立地是氢原子或取代基,其中在公式(PC-1)中的R1至R16的至少两个取代基是两个或更多不同的取代基,并且在公式(PC-1a)中的R1至R16的至少一个取代基是
氟原子,以及在公式(PC-1a)中的R1至R16的至少一个取代基是除
氟原子以外的电子吸引基团。