METAL-CONTAINING GRAPHENE HYBRID COMPOSITE, AND PREPARING METHOD OF THE SAME

Hyoyoung LEE

Patent

Atlas literature

Patent

US 10,407,774

METAL-CONTAINING GRAPHENE HYBRID COMPOSITE, AND PREPARING METHOD OF THE SAME

Hyoyoung LEE

Drawings

Patent drawings and their descriptions. Click a drawing to enlarge it.

FIG. 1

FIG. 1 is a schematic diagram illustrating a preparing method of a metal-containing graphene hybrid composite in accordance with an exemplary embodiment of the …

FIG. 2

FIG. 2F illustrates a TGA thermogram of GO and rG O -AgNP hybrid materials in accordance with an Example of the present disclosure.

FIG. 3

FIG. 3A illustrates Raman spectra of GO and a rG O -PtNP hybrid material in accordance with an Example of the present disclosure.

FIG. 4

FIG. 4B illustrates XPS spectra of GO and rG O -PtNP in accordance with an Example of the present disclosure. Substitute Speciﬁcation (clean) Attorney Docket …

FIG. 5

FIG. 5B illustrates high-resolution silver (Ag) 3d spectra of rG O -AgNP hybrid materials in accordance with an Example of the present disclosure.

FIG. 6

FIG. 6A provides a SEM image of rG O -AgNP in accordance with an Example of the present disclosure.

FIG. 7

FIG. 7 provides TEM images of rG O -AgNP hybrid materials in accordance with an Example of the present disclosure.

FIG. 8

FIG. 8A provides an AFM image showing thicknesses of rG O -AgNP hybrid materials in accordance with an Example of the present disclosure. Substitute …

FIG. 9

FIG. 9 provides SEM images of rG O -AgNP hybrid materials depending on an amount of AgNP in accordance with an Example of the present disclosure.

FIG. 10

FIG. 10 is a schematic diagram illustrating a preparing process of a rG O -AgNP hybrid ﬁlm in accordance with an Example of the present disclosure.

FIG. 11

performance graph

FIG. 11 is a graph showing a conductivity of a rG O -AgNP hybrid ﬁlm depending on a hardening temperature in accordance with an Example of the present …

FIG. 12

FIG. 12D provides an image showing a crumpling test.

FIG. 13

FIG. 13C provides a SEM image of a silver paste electrode measured with an increase in strain by 10 % in accordance with an Example of the present disclosure. …

Claims

Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.

5 independent · 10 dependent

1
IndependentHCOOHgraphene oxidemetal saltreduced graphene oxide
A method of preparing a metal-containing graphene hybrid composite, comprising: mixing an acid solution, a metal salt containing a metal ion, and graphene oxide to reduce the metal ion and the graphene oxide; and depositing the reduced metal ion on the reduced graphene oxide, wherein the acid solution comprises formic acid. Previously presented
1. 3
  Dependent← claim 1graphene oxidemetal nanoparticles
  The method of Claim 1, wherein the reduced metal ion is deposited in the form of metal nanoparticles on the reduced graphene oxide. Previously presented
2. 4
  Dependent← claim 1metal saltmetal nanoparticles
  The method of Claim 1, wherein a content of the metal nanoparticle in the composite is adjusted by adjusting a concentration of the metal salt. Previously presented
3. 5
  Dependent← claim 1HCOOHmetal salt
  The method of Claim 1, wherein a reduction process of the acid solution is initiated by the metal salt. Previously presented
4. 7
  Dependent← claim 1graphene oxidemetal nanoparticlesmetal-containing graphene hybrid composite
  A metal-containing graphene hybrid composite prepared by a method of Claim 1 and containing reduced graphene oxide on which metal nanoparticles are deposited. Withdrawn
5. 11
  Dependent← claim 1HCOOHgraphene oxidemetal salt
  The method of claim 1, wherein the mixing an acid solution, a metal salt containing a metal ion, and graphene oxide to reduce the metal ion and the graphene oxide is performed at a temperature of 80 OC. Previously presented
6. 15
  Dependent← claim 1graphene oxide
  The method of Claim 1, further comprising on the reduced graphene oxide. Previously presented graphene hybrid composite, comprising: mixing an and graphene oxide to reduce the metal ion and metal ion on the reduced graphene oxide, and the metal salt and the graphene oxide are metal ion is deposited in the form of metal Previously presented heating after the depositing the reduced metal ion
2
Independent
Canceled
6
Independent
Canceled
1. 8
  Dependent← claim 6polymerchemical elastomer polymermetal-containing graphene hybrid film
  A preparing method of a metal-containing graphene hybrid ﬁlm, comprising: printing a solution containing a mixture of the metal-containing graphene hybrid composite of Claim 6 and a polymer on a substrate; dropping a chemical elastomer polymer on the printed substrate; drying and hardening the substrate on which the chemical elastomer polymer is dropped to form a ﬁlm on the substrate; and separating the ﬁlm from the substrate. Withdrawn
12
Independent
Canceled
13
IndependentHCOOHgraphene oxidemetal salt
A method of preparing a metal-containing acid solution, a metal salt containing a metal ion, the graphene oxide; and depositing the reduced wherein the acid solution comprises formic acid; reduced at the same time. Previously presented
1. 14
  Dependent← claim 13graphene oxidemetal nanoparticles
  The method of claim 13, wherein the reduced nanoparticles on the reduced graphene oxide.

Device structures

Layer stacks claimed or described, ordered top of device to substrate.

metal-containing graphene hybrid composite

metal nanoparticlesdeposited nanoparticles

reduced graphene oxidesupport matrix

metal-containing graphene hybrid film

chemical elastomer polymerelastomer matrix

metal-containing graphene hybrid compositecomposite ink

Materials

Materials described outside the worked examples.

formic acid

HCOOH

Reducing Agent Acid Solution

graphene oxide

Process steps

Additional fabrication and treatment steps described in the patent.

Chemical Reduction

Step 1

Temperature

80°C

Process details

by product:CO₂ gas

reducing agent:formic acid

simultaneous reduction:metal ion and graphene oxide reduced at same time

Characterization

Measurements and analyses referenced in the patent, with their drawing references.

raman spectroscopy

Raman Spectroscopy

FIG. 2F illustrates a TGA thermogram of GO and rG O -AgNP hybrid materials in accordance with an Example of the present disclosure.

Figure references

FIG. 2

ftir ir

Reported properties

Performance values and ranges asserted in the specification or claims.

Property	Value	Material
electrical conductivity of metal-containing graphene hybrid film	3012 S/cm	metal-containing graphene hybrid composite
electrical conductivity of metal-containing graphene hybrid film at 35% strain

Why these are connected

Related documents with shared materials, methods, properties, or citations.

METAL-CONTAINING GRAPHENE HYBRID COMPOSITE, AND PREPARING METHOD OF THE SAME | Matter42 Literature