| abstract |
The present invention relates to a composition comprising i) at least one polythiophene comprising monomer units of structure (la) or (lb), Formulae (IA) or (Ib) in which * indicates the bond to the neighboring monomer units, X,Z represent O or S, R1-R6 independently from each other represent a hydrogen atom or an organic residue R, with the proviso that at least one of residues R1 to R4 and one of residues R5 and R6 represents an organic residue R; ii) at least one organic compound carrying one or two inorganic acid group(s), preferably one or two sulfonic acid group(s), one or two sulfuric acid group(s), one or two phosphonic acid group(s) or one or two phosphoric acid group(s), or a salt of said organic compound, wherein the molecular weight of the organic compound or the salt thereof is less than 1,000 g/mol; iii) at least one organic solvent. The present invention also relates to a process for preparing a composition, to a composition obtainable by this process, to a layer structure, to a process for the preparation of a layer structure, to a layer structure obtainable by this process, to an electronic component and to the use of composition according to the present invention. |