Substituent-eliminable diketopyrrolopyrrole derivative, organic semiconductor material precursor solution, organic semiconductor material, and organic semiconductor material film

摘要

A substituent-eliminable diketopyrrolopyrrole derivative represented by the following formula (I) is provided.; In the formula (I), R represents a substituted or unsubstituted alkyl group; X represents a substituted or unsubstituted alkyl group; Ar represents a substituted or unsubstituted aromatic group or a substituted or unsubstituted heteroaromatic group; and n represents an integer of from 1 to 4.