COMPOSITIONS AND METHODS RELATED TO DOPED

Eva M. Deemer

Patent

Atlas literature

Patent

US 9,862,609

COMPOSITIONS AND METHODS RELATED TO DOPED

Eva M. Deemer, Russell R. Chianelli

Drawings

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

FIG. 1

FIG. 1 4Ais a schematic of the atomic structure of porphyrin-like functionalized graphene while

FIG. 2

FIG. 2 depicts an optically anisotropic mesophase, 3 UTE-P 01 03-US- O₁R [0013]

FIG. 3

FIG. 3A illustrates the methodology for preparation of graphene growth using the doped materials noted in

FIG. 4

FIG. 4 illustrates the methodology for growth of graphene, [0015]

FIG. 5

FIG. 5B depicts removal of substrate from the graphene, [0016]

FIG. 6

FIG. 6B is an X-ray Absorption Fine Structure (XAFS) analysis from synchrotron, [0017]

FIG. 7

FIG. 7 a schematic illustrating a current commercial method for producing chemically derived graphenes, [0018]

FIG. 8

FIG. 8 is a schematic illustrating the methodology for producing MLG and FLG using the disclosed methodology, [0019]

FIG. 9

FIG. 9 is a schematic of two commercial methodologies used to make doped graphene, [0020]

FIG. 10

FIG. 10 is a schematic of doped graphene produced using the methodology disclosed herein, [0021]

FIG. 11

FIG. 11 A is an EDX analysis of copper foil sonicated in acetone before application of solid carbon source with the corresponding SEM image in

FIG. 12

FIG. 12 illustrates that the transferred graphene from carbon solids on Si O 2/Si wafer has rips and wrinkles in the material as shown by arrows, [0023]

FIG. 13

FIGS. 13A-B are optical microscope images of a graphene sheet (purple) on an Si O 2/Si wafer (pink)with wrinkles and tears in the material, [0024]

FIG. 14

FIG. 14B illustrates a comparison of density of states projected onto the d orbitals of the Fe atom located at the center of the porphyrin ring and the Fe …

FIG. 15

FIG. 15D illustrates TM-N₄ defect conﬁgurations wherein white represents carbon; lightly speckled represents nitrogen; and densely speckled represents cobalt …

FIG. 16

FIGS. 16A and B are photographs of asphaltene extracted by n-pentane (

FIG. 17

FIG. 17 depicts the furnace apparatus used to develop some to the teaching of the present disclosure, [0028]

FIG. 18

FIGS. 18A-18C illustrate Raman Shift data from experiments A to C disclosed herein, taken using Raman confocal microscope after graphene had been transferred …

FIG. 19

FIGS. 19A-19D are the SEM images of C₇ asphaltene on copper foil before (

FIG. 20

FIGS. 20A-20D illustrates the Energy Dispersive X-rays Spectroscopy (EDX) (

FIG. 21

FIGS. 21A-21B illustrates the EDX (

FIG. 22

FIGS. 22A-22D are a composite of the optical microscope images of C₇ asphaltene on copper foil from experiment A before (

FIG. 23

FIGS. 23A-23D are a composite of the optical microscope images of post growth C₇ asphaltene (

FIG. 24

FIG. 24 is the Raman spectra of C₇ post growth asphaltene across averaged area from experiment A, [0035]

FIG. 25

FIGS. 25A-25C are a composite of the optical microscope images of local areas investigated by Raman (

FIG. 26

FIG. 26 is the Raman analysis of local image from

FIG. 27

FIGS. 27A-27H are a composite of the Raman from all experiment areas transferred to S i02/Si, [0038]

FIG. 28

FIG. 28 is the Residual Gas Analysis (RGA) data of Experiment A, [0039]

FIG. 29

FIG. 29 is the RGA data from Experiment B, and [0040]

FIG. 30

FIG. 30 is the RGA data from Experiment C. NOTATION AND NOMENCLATURE [0041] Certain terms are used throughout the following description and claims to refer to …

Claims

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

3 independent · 4 dependent

1
Independentmetal-doped graphenemetal-containing asphaltene thin filmmetal catalyst substrate
A method of making a metal-doped graphene comprising: preparing a metal-containing asphaltene thin ﬁlm on a metal catalyst substrate; and heating the metal-containing asphaltene thin ﬁlm/catalyst at 400 o C to 1050 0 C and at pressures of 1 x 10 -3 Torr to 1500 Torr forming a planar metal-doped graphene; and separating the planar metal-doped graphene from the metal catalyst. Previously presented
1. 2
  Dependent← claim 1metal-doped graphenemetal-containing asphaltene thin film
  The method of claim 1, wherein separating the planar metal-doped graphene from the metal catalyst is by[[by]] etching or lifting. Currently amended
2. 3
  Dependent← claim 1metal catalyst
  The method of claim 1, wherein the catalyst comprises one or more metal selected from Cu, Mo, Zn, Cd, Ti, Ni, V, Fe, Mn, Cr and Co. Previously presented
3. 4
  Dependent← claim 1H₂/Ar gas
  The method of claim 1, wherein the asphaltene thin ﬁlm is heated under an H₂/Ar gas ﬂow. Original
4. 5
  Dependent← claim 1
  The method of claim 1, wherein the asphaltene thin ﬁlm is heated in a tube furnace. Original
6
Independent
6-10. Canceled
10
Independent
Canceled

Materials

Materials described outside the worked examples.

metal-doped graphene

Target Product

metal-containing asphaltene thin film

Precursor Film

metal catalyst substrate

Process steps

Additional fabrication and treatment steps described in the patent.

Graphene Growth From Asphaltene

Step 1

Temperature

400, 1050°C

Ambient

H2/Ar

Process details

Characterization

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

optical absorption

Optical Absorption

FIG. 6B is an X-ray Absorption Fine Structure (XAFS) analysis from synchrotron, [0017]

Figure references

FIG. 6

sem

Reported properties

Performance values and ranges asserted in the specification or claims.

Property	Value	Material
Temperature	400–1000 °C	—
Pressure

Why these are connected

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

COMPOSITIONS AND METHODS RELATED TO DOPED | Matter42 Literature