Composition for forming conductive film

Patent metadata

Field	Value
Publication number	US-9758688-B2
Application number	US-201314428383-A
Country	US
Kind code	B2
Filing date	Sep 20, 2013
Priority date	Sep 21, 2012
Publication date	Sep 12, 2017
Grant date	Sep 12, 2017

Abstract

A composition is provided for forming a conductive film. The composition includes a metal compound, a reducing agent, an ionic compound and/or a polar compound, and a compound having at least one atom selected from a nitrogen atom, a sulfur atom and a phosphorus atom. The composition may be an ink composition for coating on an electronic device.

First claim

The invention claimed is:

1. A composition for forming a conductive film, comprising a metal compound, a reducing agent, an ionic compound and/or a polar compound, and a compound having at least one atom selected from the group consisting of a nitrogen atom, a sulfur atom and a phosphorus atom,
wherein a molecular weight of the ionic compound and/or polar compound is 1000 or more, and the ionic compound and/or polar compound comprises a constitutional unit represented by the following formula (XI):

wherein Ar 2 represents a (n 2 +2)-valent aromatic group and the (n 2 +2)-valent aromatic group may have a substituent, R 2 represents a direct bond or a (m 2 +1)-valent group, X 2 represents a group comprising an ionic group or a polar group, and m 2 and n 2 represent each independently an integer of 1 or more, and when R 2 is a direct bond, m 2 is 1, and when there are a plurality of R 2 , they may be the same or different, and when there are a plurality of X 2 , they may be the same or different, and when there are a plurality of m 2 , they may be the same or different,
wherein the compound having at least one atom selected from the group consisting of a nitrogen atom, a sulfur atom and a phosphorus atom is selected from the group consisting of an amine compound, a nitrogen-containing heterocyclic compound, a sulfide compound, a thiol compound, a sulfur-containing heterocyclic compound, a sulfoxide compound and a phosphine compound,
wherein the amine compound is methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, propylamine, dipropylamine, isopropylamine, diisopropylamine, butylamine, isobutylamine, sec-butylamine, tert-butylamine, pentylamine, hexylamine, cyclohexylamine, heptylamine, octylamine, 2-ethylhexylamine, nonylamine, decylamine, 3,7-dimethyloctylamine, laurylamine, cyclopentylamine, dicyclopentylamine, cyclohexylamine, dicyclohexylamine, ditrifluoromethylamine, phenylamine, diphenylamine, alkoxyphenylamine in which the alkoxy group has 1 to 12 carbon atoms, di(alkoxyphenyl)amine in which the alkoxy groups have 1 to 12 carbon atoms, di(alkylphenyl)amine in which the alkyl groups have 1 to 12 carbon atoms, 1-naphthylamine, 2-naphthylamine, pentafluorophenylamine, pyridylamine, pyridazinylamine, pyrimidylamine, pyrazylamine, triazylamine, phenyl-alkylamine in which the alkyl group has 1 to 12 carbon atoms, alkoxyphenyl-alkylamine in which the alkoxy group and the alkyl group have 1 to 12 carbon atoms, alkylphenyl-alkylamine in which the alkyl groups have 1 to 12 carbon atoms, di(alkoxyphenyl-alkyl)amine in which the alkoxy groups and the alkyl groups have 1 to 12 carbon atoms, di(alkylphenyl-alkyl)amine in which the alkyl groups have 1 to 12 carbon atoms, 1-naphthyl-alkylamine in which the alkyl group has 1 to 12 carbon atoms, 2-naphthyl-alkylamine in which the alkyl group has 1 to 12 carbon atoms, ethanolamine, propanolamine, 1,2-ethylenediamine, tetraethylenediamine or phenylenediamine, and
wherein the nitrogen-containing heterocyclic compound is pyridine, quinoline, 1,2-diazine, 1,3-diazine, 1,4-diazine, 1,3,5-triazine, pyrrole, pyrazole, imidazole, oxazole, thiazole, oxadiazole, thiadiazole or azadiazole.

2. The composition for forming a conductive film according to claim 1 , wherein the metal constituting said metal compound is gold, silver or copper.

3. The composition for forming a conductive film according to claim 1 , wherein said metal compound is a metal carboxylate.

4. The composition for forming a conductive film according to claim 1 , wherein said reducing agent is an alcohol.

5. The composition for forming a conductive film according to claim 1 , wherein an amount of said ionic compound and/or polar compound is 0.1 to 30 parts by weight with respect to 100 parts by weight of said metal compound.

6. The composition for forming a conductive film according to claim 1 , wherein said ionic compound and/or polar compound is an ionic compound.

7. The composition for forming a conductive film according to claim 1 , wherein said compound having a nitrogen atom is an amine compound.

8. The composition for forming a conductive film according to claim 1 , wherein said compound having a sulfur atom is a sulfide compound.

9. The composition for forming a conductive film according to claim 1 , wherein the composition is an ink composition.

10. The composition for forming a conductive film according to claim 6 , wherein said compound having a nitrogen atom is an amine compound.

11. The composition for forming a conductive film according to claim 6 , wherein said compound having a sulfur atom is a sulfide compound.

12. A method of producing a conductive film, comprising a step of coating the ink composition according to claim 9 on a substrate and a step of reducing said metal compound by heating the resultant coated film.

13. The method of producing a conductive film according to claim 12 , wherein the temperature of heating said coated film is 200° C. or lower.

14. A conductive film formed by the method of producing a conductive film according to claim 12 , and comprising an ionic compound and/or a polar compound.

15. An electronic device, equipped with the conductive film according to claim 14 .

16. The electronic device according to claim 15 , wherein said conductive film is a cathode and/or an anode.

Assignees

• Sumitomo Chemical Co

Inventors

• Iijima Takayuki
• Sakakibara Ken
• Higashimura Hideyuki

Classifications

• C08K5/17

  Amines; Quaternary ammonium compounds · CPC title

• H01B13/0026

  Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal · CPC title

• C08K5/053

  Polyhydroxylic alcohols · CPC title

• C08K5/098

  Metal salts of carboxylic acids · CPC title

• C09D11/52 Primary

  Electrically conductive inks · CPC title