Solution for fabricating nano particles

Patent metadata

Field	Value
Publication number	US-10479894-B2
Application number	US-201715666007-A
Country	US
Kind code	B2
Filing date	Aug 1, 2017
Priority date	Dec 3, 2014
Publication date	Nov 19, 2019
Grant date	Nov 19, 2019

Abstract

Provided are a compound, including metal atoms for forming metal nano particles through a simple process within a short time at a low production cost for commercial purposes, and a solution including the compound.

First claim

What is claimed is:

1. A solution for forming metal nano particles, comprising:
a compound having the following chemical formula:

wherein M is a metal atom of gold (Au), R is (—CH 2 —) n , F is selected from the group consisting of sulfur (S), nitrogen (N) and phosphorus (P), X is a silyl group, Y represents an oxidation state of the metal atom in the compound of +1, m is a natural number ranging from 1 to 10, and n is a natural number ranging from 1 to 15;
a solvent; and
a stabilizer for preventing metal atoms from being precipitated in the solvent.

2. The solution of claim 1 , wherein the solvent is selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 1-pentanol, 2-butoxyethanol and ethylene glycol, acetone, 2-butanone and 4-methyl-2-propanone, acetic acid, pentane, hexane, decane, cyclohexane, cyclopentane and 2,2,4-trimethylpentane, 1-butylene, 2-butylene, 1-pentene, 2-pentene, isobutylene, carbon tetrachloride, 1-chlorobutane, 1-chloropentane, 2-chloropropane, 1-chloropropane, bromoethane, chloroform, dichloromethane, 1,2-dichloroethane, 1-nitropropane, nitromethane, and a combination thereof.

3. The solution of claim 1 , wherein the stabilizer includes a basic compound.

4. The solution of claim 3 , wherein the basic compound is selected from the group consisting of sodium hydroxide, potassium hydroxide, calcium hydroxide, aqueous ammonia, and a combination thereof.

5. The solution of claim 1 , wherein the F is sulfur (S).

6. The solution of claim 1 , wherein the X is an alkoxysilyl group or an alkylsilyl group.

7. A method for preparing a solution including
a compound having the following chemical formula:

wherein M is a metal atom of gold (Au), R is (—CH 2 —) n , F is selected from the group consisting of sulfur (S), nitrogen (N) and phosphorus (P), X is a silyl group, Y represents an oxidation state of the metal atom in the compound of +1, m is a natural number ranging from 1 to 10, and n is a natural number ranging from 1 to 15, the method comprising:
reacting a metal precursor with an organic material in the presence of a solvent to form the solution including the compound; and
adding a stabilizer to the solution including the compound,
wherein the metal precursor is selected from the group consisting of halides, chalcogenides, hydrochlorides, nitrates, sulfates, acetates, or ammonium salts of gold (Au), and,
wherein the organic material is a compound including two different functional groups, a first functional group being one or more selected from the group consisting of a thiol group, an amine group, and a phosphine group and a second functional group being a silyl group.

8. The method of claim 7 , wherein the metal precursor is selected from the group consisting of HAuCl 4 , AuCl, AuCl 3 , Au 4 Cl 8 , KAuCl 4 , NaAuCl 4 , NaAuBr 4 , AuBr 3 , AuBr, AuF 3 , AuF 5 , AuI, AuI 3 , KAu(CN) 2 , Au 2 O 3 , Au 2 S, Au 2 S 3 , AuSe, Au 2 Se 3 and a combination thereof.

9. The method of claim 7 , wherein the organic material is selected from the group consisting of: 3-mercaptopropyl trimethoxysilane (3-MPTMS), 3-mercaptopropyl triethoxysilane, 11-mercaptoundecyl trimethoxysilane, mercaptomethyl methyl diethoxysilane, (3-aminopropyl)trimethoxysilane (APS), (3-aminopropyl)triethoxysilane, N-(3-aminopropyl)-dimethyl-ethoxysilane (APDMES), mercaptopropyl trimethoxysilane (MPTMS), N-(2-aminoethyl)-3aminopropyltrimethoxysilane, (3-trimethoxysilylpropyl)diethylenetriamine, and N-(trimethoxysilylpropyl)ethylenediamine triacetic acid.

10. The method of claim 7 , wherein the solvent is selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 1-pentanol, 2-butoxyethanol and ethylene glycol, acetone, 2-butanone and 4-methyl-2-propanone, acetic acid, pentane, hexane, decane, cyclohexane, cyclopentane and 2,2,4-trimethylpentane, 1-butylene, 2-butylene, 1-pentene, 2-pentene, isobutylene, carbon tetrachloride, 1-chlorobutane, 1-chloropentane, 2-chloropropane, 1-chloropropane, bromoethane, chloroform, dichloromethane, 1,2-dichloroethane, 1-nitropropane, nitromethane, and a combination thereof.

11. The method of claim 7 , wherein the stabilizer includes a basic compound.

12. The method of claim 11 , wherein the basic compound is selected from the group consisting of sodium hydroxide, potassium hydroxide, calcium hydroxide, aqueous ammonia, and a combination thereof.

13. The method of claim 7 , wherein a mixing ratio of the metal precursor to the organic material ranges from about 1:3-12.

Assignees

• Sk Innovation Co Ltd

Inventors

• Kim Jun-Hyung

Classifications

• C23C18/143

  Radiation by light, e.g. photolysis or pyrolysis · CPC title

• C22C5/00

  Alloys based on noble metals · CPC title

• C23C18/14

  Decomposition by irradiation, e.g. photolysis, particle radiation {or by mixed irradiation sources} · CPC title

• C23C18/44

  using reducing agents · CPC title

• C08K2003/2206

  of calcium, strontium or barium · CPC title