Catalyst for a catalytic ink and uses thereof

Patent metadata

Field	Value
Publication number	US-2016289469-A1
Application number	US-201615088746-A
Country	US
Kind code	A1
Filing date	Apr 1, 2016
Priority date	Apr 2, 2015
Publication date	Oct 6, 2016
Grant date	—

Abstract

A catalyst for a catalytic ink includes a support particle and a metallic material supported on the support particle. The metallic material is diamminesilver hydroxide, a silver salt, a palladium salt, a gold salt, chloroauric acid, or combinations thereof. A catalytic ink obtained from the catalyst and use of the same to fabricate a conductive circuit are also disclosed.

First claim

What is claimed is:

1 . A catalyst for a catalytic ink, comprising:
a support particle; a metallic material supported on said support particle, said metallic material being selected from the group consisting of diamminesilver hydroxide, a silver salt, a palladium salt, a gold salt, chloroauric acid, and combinations thereof.

2 . The catalyst of claim 1 , wherein said metallic material includes catalytic ions supported on said support particle, said catalytic ions being selected from the group consisting of silver complex ions, silver ions, palladium complex ions, palladium ions, gold complex ions, and combinations thereof.

3 . The catalyst of claim 2 , wherein said catalytic ions are selected form the group consisting of diamminesilver complex ions, Ag + , [AgCN 2 ] 2− , [AgCO 2 ] + , [AgS 2 O 3 ] 3− , PdCl 4 2− , Pd 2+ , [Au(CN) 2 ] − , AuCl 4 − , and combinations thereof.

4 . The catalyst of claim 1 , wherein said silver salt is selected from the group consisting of silver nitrate, silver carbonate, silver sulfate, and combinations thereof.

5 . The catalyst of claim 1 , wherein said palladium salt is selected from the group consisting of palladium chloride, palladium acetate, and the combination thereof.

6 . The catalyst of claim 1 , wherein said support particle is selected from the group consisting of titanium dioxide particle, zinc oxide particle, aluminum oxide particle, cerium(IV) oxide particle, lanthanum oxide particle, barium sulfate particle, magnesium silicate particle, carbon particle, and combinations thereof.

7 . The catalyst of claim 1 , which has a core-shell structure and includes a core and a shell layer, said core including said support particle, said shell layer including said metallic material.

8 . A catalytic ink, comprising:
a catalyst having a support particle and a metallic material supported on said support particle, said metallic material being selected from the group consisting of diamminesilver hydroxide, a silver salt, a palladium salt, a gold salt, chloroauric acid, and combinations thereof; a resin; and a solvent.

9 . The catalyst ink of claim 8 , wherein said catalyst has a core-shell structure and includes a core and a shell layer, said core including said support particle, said shell layer including said metallic material.

10 . The catalytic ink of claim 8 , wherein said support particle is selected from the group consisting of titanium dioxide particle, zinc oxide particle, aluminum oxide particle, cerium(IV) oxide particle, lanthanum oxide particle, barium sulfate particle, magnesium silicate particle, carbon particle, and combinations thereof.

11 . The catalytic ink of claim 8 , wherein, based on 1 part by weight of said catalyst, said resin is in an amount ranging from 1 to 3 parts by weight, and said solvent is in an amount ranging from 0.5 to 3 parts by weight.

12 . The catalytic ink of claim 8 , wherein said solvent is selected from the group consisting of ketone, alcohol, ester, ether, benzene, mineral spirit, and combinations thereof.

13 . A method for manufacturing the catalytic ink of claim 8 , comprising the steps of:
mixing the support particle and a solution of the metallic material to form the catalyst; and mixing the catalyst, the resin and the solvent.

14 . The method of claim 13 , wherein the support particle is added in an amount ranging from 2 to 3 parts by weight based on 1 part by weight of the solution of metallic material.

15 . A method for fabricating a conductive circuit, comprising the steps of:
printing the catalytic ink of claim 8 on a substrate so as to form an ink layer on the substrate; subjecting the metallic material of the catalyst to a reduction reaction so as to form a catalytic metal; and contacting the catalytic metal of the ink layer with a solution containing conductive metal ions, such that a conductive metal is formed and deposited on the ink layer by reduction of the conductive metal ions using the catalytic metal.

16 . The method of claim 15 , wherein the step of subjecting the metallic material of the catalyst to the reduction reaction is conducted by UV exposure.

17 . The method of claim 16 , wherein the metallic material is diamminesilver hydroxide.

18 . A method for fabricating a conductive circuit, comprising the steps of:
forming an ink layer on a substrate, the ink layer including a core-shell type catalyst having a core and a shell layer surrounding the core, the shell layer including a metallic material; subjecting the metallic material of the shell to a reduction reaction so as to form a catalytic metal; and contacting the metallic material of the ink layer with a solution containing conductive metal ions, such that a conductive metal is formed and deposited on the ink layer by reduction of the metallic material using the catalytic metal.

19 . The method of claim 18 , wherein the step of subjecting the metallic material of the shell to the reduction reaction is conducted using a reducing agent.

20 . The method of claim 18 , wherein
the core includes a photocatalyst, and the step of subjecting the metallic material of the shell to the reduction reaction includes activating the photocatalyst of the core by UV exposure, and reducing the metallic material to a catalytic metal using the activated photocatalyst.

Assignees

• Taiwan Green Point Entpr Co

Inventors

• Liao Pen-Yi
• Chuang Hui-Ching
• Tsai Wen-Chia
• Yang jing-yi

Classifications

• C09D11/03 Primary

  characterised by features other than the chemical nature of the binder · CPC title

• B01J21/18

  Carbon · CPC title

• H05K3/18 Primary

  using precipitation techniques to apply the conductive material · CPC title

• B01J27/24

  Nitrogen compounds · CPC title

• H05K2203/1157

  Using means for chemical reduction · CPC title