Patent ID: 8562870
Filing Date: 2013-10-22
Classification: H01L,Y02E

Abstract:
1. A semiconductor comprising a semiconductor matrix and a polymer dopant comprising at least one electron accepting group that is bound to a polymer, wherein the charge carrier mobility or electrical conductivity of said polymer is induced or enhanced, wherein said polymer contains recurring units of formula I wherein P Sp is, each independently, a spacer group or a single bond, G is an electron accepting group, R is an organic group that modifies the surface energy of the polymer, m, n, o are, independently of each other, 0 or 1, wherein in each recurring unit of formula I m+n+o>0, and in at least one of these recurring units m is 1, and p is an integer from 1 to 500,000, wherein the electron accepting group is of formula wherein R 4 is H, halogen, CN, NO 2 , NR 0 R 00 , or straight chain, branched or cyclic alkyl with 1 to 20 C-atoms, which is unsubstituted, mono- or polysubstituted by F, Cl, Br, I or CN, and wherein one or more non-adjacent CH 2 groups are optionally replaced, in each case independently from one another, by —O—, —S—, —NH—, —NR 0 —, —SiR 0 R 00 —, —CO—, —COO—, —OCO—, —OCO—O—, —SO 2 —, —S—CO—, —CO—S—, —CH═CH—or —C═C— in such a manner that O and/or S atoms are not linked directly to one another.