Synthesis, structural characterization and electronic properties of 3, 3'''-bis(butylsulfanyl)-2, 2': 5', 2':5', 2'':5'', 2'':5'', 2'''-sexithiophene

摘要

Synthesis and NMR, UV-VIS, electrochemical, mobility and X-ray characterization of 3, 3'""-bis(butylsulfanyl)-2, 2':5', 2":5", 2'":5'", 2"":5"", 2'""-sexithiophene are reported. This compound combines the promising properties already observed for 3, 3'", 3'""-tris(butylsulfanyl)-2, 2':5', 2":5:, 2'":5'", 2"":5"", 2'""-sexithiophene with a physical state more suitable for its use in field-effect transistors. In particular, the stability of the oxidized forms, the close packing in the solid state together with the mobility and on/off ratio observed make this sexithiophene of potential interest for organic semiconductors.