Organic semiconductor composition, organic thin film, and organic thin film transistor having same

摘要

To provide an organic semiconductor composition that can exhibit a high carrier transport property and give uniform characteristics. An organic semiconductor composition characterized by containing a high molecular weight compound having a carrier transport property and a low molecular weight compound, in which the low molecular weight compound has a structure represented by Formula (1) and a content ratio of the low molecular weight compound is from 5 to 95 parts by mass relative to a total of 100 parts by mass of the high molecular weight compound and the low molecular weight compound,;
[where, E represents a sulfur atom or a selenium atom, three E's may be the same or may be different from one another, and an aromatic ring in Formula may have substituents].

主权项

1. An organic semiconductor composition comprising a high molecular weight compound having a carrier transport property and a low molecular weight compound,
wherein the low molecular weight compound has a structure represented by Formula (1); the high molecular weight compound is a compound having a repeating unit containing an arylamine structure and a repeating unit containing a fluorene structure, or a compound having a repeating unit containing a structure represented by Formula (3c); and a content ratio of the high molecular weight compound is either from not less than 5 parts by mass to less than 30 parts by mass or from more than 70 parts by mass to not more than 95 parts by mass relative to a total of 100 parts by mass of the high molecular weight compound and the low molecular weight compound,wherein E represents a sulfur atom or a selenium atom, three E's may be the same or may be different from one another, and an aromatic ring in Formula (1) may have a substituent, wherein each of R11, R12 and R14 is independently a hydrogen atom, a halogen atom or a monovalent group.