Conductive polymer in organic solvent with fluorinated compound

1. A composition comprising:

a) at least one organic solvent;

b) at least one conductive polymer;

c) at least one fluorinated compound, wherein the at least one fluorinated compound is a non-ionic compound;

d) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units.

2. The composition according to claim 1 , wherein copolymer comprises polymerized styrene monomer units at least a part of which is sulfonated and polymerized non-sulfonated monomer units and wherein molar ratio of the non-sulfonated monomer units is at least 5%, based on the total amount of monomer units in the copolymer.

3. The composition according to claim 1 , wherein the copolymer is a hydrogenated styrene-isoprene block copolymer with the structure A-B-C-B-A, in which the block A corresponds to a polystyrene block which is at least partially substituted with tert-butyl groups, the block B corresponds to a block of alternating copolymerised ethylen-propylene units and the block C corresponds to a sulphonated polystyrene block.

4. The composition according to claim 1 , wherein the at least one organic solvent a) is selected from the group consisting of an aprotic, a polar, a non-polar and a non-polar, aprotic organic solvent or a mixture of at least two of these.

5. The composition according to claim 1 , wherein the composition comprises as the at least one fluorinated compound c) a compound comprising at least one aliphatic or aromatic residue in which at least 10% of the hydrogen atoms are substituted by fluorine atoms.

6. The composition according to claim 1 , wherein the composition comprises as the at least one fluorinated compound c) a fluorinated compound having a molecular weight of less than 2,100 g/mol.

7. The composition according to claim 1 , wherein the at least one fluorinated compound c) is a mono-, di- or trialkoxysilane, in which at least one fluorinated aliphatic or a fluorinated aromatic group is bond to the Si atom.

8. The composition according to claim 1 , wherein the at least one fluorinated compound c) is a polymeric fluorinated compound.

9. The composition according to claim 1 , wherein the at least one fluorinated compound c) has a vapor pressure of less than 40 mbar at 100° C. (determined at a pressure of 1 bar).

10. The composition according to claim 1 , wherein the at least one conductive polymer b) is a cationic polythiophene.

11. The composition according to claim 10 , wherein the cationic polythiophene and the at least one polymeric anion d) are present in the form of a polythiophene: polymeric anion-complex.

12. The composition according to claim 1 , wherein the composition comprises:

a) 70 to 99.5 wt.-% of the at least one organic solvent;

b) 0.05 to 4 wt.-% of the at least one conductive polymer;

c) 0.05 to 10 wt.-% of the at least one fluorinated compound;

d) 0.05 to 13 wt.-% of the at least one polymeric anion;

e) 0 to 6 wt.-% of at least one further additive;

wherein the sum of components a) to e) is 100 wt.-%.

13. The composition according to claim 1 , wherein the water content of the composition is not more than 2 wt.-%, based on the total weight of the composition.

14. A process for the production of a layered structure, comprising the process steps:

I) providing of a substrate with a first surface;

II) superimposing the substrate at least partially on its first surface with a composition according to claim 1 ;

III) at least partially removing the at least one organic solvent a) from the composition, thereby obtaining an electrically conductive layer superimposed on the substrate.

15. A layered structure obtainable by the process according to claim 14 .

16. A layered structure comprising the following layers:

i. a substrate with a first surface;

ii. a first layer superimposing at least a part of the substrate surface; wherein the first layer comprises:

a) at least one conductive polymer;

b) at least one fluorinated compound, wherein the at least one fluorinated compound is a non-ionic compound;

c) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units.

17. The layered structure according to claim 16 , wherein

(i) the at least one conductive polymer is a cationic polythiophene;

(ii) the at least one fluorinated compound is a compound comprising at least one aliphatic or aromatic residue in which at least 10% of the hydrogen atoms are substituted by fluorine atoms; and

(iii) the at least one polymeric anion is a copolymer comprising polymerized styrene monomer units at least a part of which is sulfonated and polymerized non-sulfonated monomer units, and wherein the molar ratio of the non-sulfonated monomer units is at least 5%, based on the total amount of monomer units in the copolymer.

18. A device comprising a layered structure according to claim 16 .

19. The device according to claim 18 , wherein the device is selected from the group consisting of an OLED, a display, an organic solar cell, a hybrid solar cell, a field effect transistor, a touchscreen or a thermoelectric generator or a combination of at least two thereof.