Patent ID: 8721929
Filing Date: 2014-05-13
Classification: C08L,H01B,H01G,H01L,Y02E

Abstract:
1. A complex comprising an optionally substituted polythiophene and a polyanion, wherein the polyanion comprises a copolymer with repeat units of the formulae (I) and (III), or repeat units of the formulae (II) and (III), or repeat units of the formulae (I), (II) and (III) where R R D is a direct covalent bond or an optionally substituted C R is a linear or branched, optionally substituted C x is an integer from 0 to 4, M is H or Li and the preparation of the repeat units (I) and (II) are between 0 and 50% by mass and the preparation of repeat unit (III) is between 20 and 100% by mass and where the proportion of repeat units (I) and (II) must not both be 0% by mass.