Conductive material and substrate

Patent metadata

Field	Value
Publication number	US-2016268015-A1
Application number	US-201615018913-A
Country	US
Kind code	A1
Filing date	Feb 9, 2016
Priority date	Mar 11, 2015
Publication date	Sep 15, 2016
Grant date	—

Abstract

The present invention provides a conductive material including: (A) a π-conjugated polymer, and (B) a dopant polymer which contains one or more repeating units selected from “a1” to “a4” respectively represented by the following general formula (1) and has a weight-average molecular weight in the range of 1,000 to 500,000, (C) gold or silver nanowire having a minor axis diameter of 2 to 200 nm and an aspect ratio of 10 to 50,000. There can be provided a conductive material that has excellent film-formability and also can form a conductive film having high transparency and conductivity, superior flexibility and flatness when the film is formed from the material.

First claim

What is claimed is:

1 . A conductive material comprising:
(A) a α-conjugated polymer, and (B) a dopant polymer which contains one or more repeating units selected from “a1” to “a4” respectively represented by the following general formula (1) and has a weight-average molecular weight in the range of 1,000 to 500,000, (C) gold or silver nanowire having a minor axis diameter of 2 to 200 nm and an aspect ratio of 10 to 50,000,

wherein R 1 , R 3 , R 5 , and R 8 independently represent a hydrogen atom or a methyl group; R 2 , R 4 , and R 6 independently represent a single bond, an ester group, or a linear, branched, or cyclic hydrocarbon group having 1 to 12 carbon atoms and optionally containing either or both of an ether group and an ester group; R 7 represents a linear or branched alkylene group having 1 to 4 carbon atoms in which 1 or 2 hydrogen atoms in R 7 may be substituted with a fluorine atom; R 9 represents a fluorine atom or a trifluoromethyl group; Z 1 , Z 2 , and Z 3 independently represent a single bond, a phenylene group, a naphthylene group, an ether group, or an ester group; Z 4 represents a single bond, an ether group, or an ester group; “m” is an integer of 1 to 4; and “a1”, “a2”, “a3”, and “a4” are each a number satisfying 0≦a1≦1.0, 0≦a2≦1.0, 0≦a3≦1.0, 0≦a4≦1.0, and 0≦a1+a2+a3+a4≦1.0.

2 . The conductive material according to claim 1 , wherein the component (B) further contains a repeating unit “b” represented by the following general formula (2),

wherein “b” is a number satisfying 0<b<1.0.

3 . The conductive material according to claim 1 , wherein the component (B) is a block copolymer.

4 . The conductive material according to claim 2 , wherein the component (B) is a block copolymer.

5 . The conductive material according to claim 1 , wherein the component (A) is a polymer formed by polymerization of one or more precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellurophene, aniline, a polycyclic aromatic compound, and a derivative thereof.

6 . The conductive material according to claim 2 , wherein the component (A) is a polymer formed by polymerization of one or more precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellurophene, aniline, a polycyclic aromatic compound, and a derivative thereof.

7 . The conductive material according to claim 3 , wherein the component (A) is a polymer formed by polymerization of one or more precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellurophene, aniline, a polycyclic aromatic compound, and a derivative thereof.

8 . The conductive material according to claim 4 , wherein the component (A) is a polymer formed by polymerization of one or more precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellurophene, aniline, a polycyclic aromatic compound, and a derivative thereof.

9 . The conductive material according to claim 1 , wherein the conductive material has dispersibility in water or in an organic solvent.

10 . The conductive material according to claim 2 , wherein the conductive material has dispersibility in water or in an organic solvent.

11 . The conductive material according to claim 3 , wherein the conductive material has dispersibility in water or in an organic solvent.

12 . The conductive material according to claim 4 , wherein the conductive material has dispersibility in water or in an organic solvent.

13 . The conductive material according to claim 5 , wherein the conductive material has dispersibility in water or in an organic solvent.

14 . The conductive material according to claim 6 , wherein the conductive material has dispersibility in water or in an organic solvent.

15 . The conductive material according to claim 7 , wherein the conductive material has dispersibility in water or in an organic solvent.

16 . The conductive material according to claim 8 , wherein the conductive material has dispersibility in water or in an organic solvent.

17 . A substrate having a conductive film formed thereon by using the conductive material according to claim 1 .

18 . A substrate having a conductive film formed thereon by using the conductive material according to claim 2 .

19 . The substrate according to claim 17 , wherein the conductive film functions as a transparent electrode layer.

20 . The substrate according to claim 18 , wherein the conductive film functions as a transparent electrode layer.

Assignees

• Shinetsu Chemical Co

Inventors

• Hatakeyama Jun
• Nagasawa Takayuki

Classifications

• H05B33/28

  of translucent electrodes · CPC title

• H01B1/122

  Ionic conductors · CPC title

• H01B1/127

  comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes · CPC title

• H01B1/22 Primary

  the conductive material comprising metals or alloys · CPC title

• H10K50/805

  Electrodes · CPC title