Polythiophenes and electronic devices comprising the same

Details Polythiophenes and electronic devices comprising the same Polythiophenes and electronic devices comprising the same

2008-12-10

2010-11-23

Kopec, Mark (Department: 1796)

Compositions

Electrically conductive or emissive compositions

C528S373000, C528S377000

Reexamination Certificate

active

07837903

ABSTRACT:
Disclosed are semiconducting polythiophenes comprising a repeating unit of Formula (A) or a copolythiophene of Formula (B):wherein A and B are each alkyl having from 1 to about 25 carbon atoms; and a, b, c, d, e, f, g, x, and y are as defined herein. These polythiophenes have high mobility and are soluble in common organic solvents, so that chlorinated solvents do not need to be used. They are useful for depositing semiconducting layers, particularly in organic thin-film transistors.

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