Patent
US 10,272,647GRAPHENE AND POLYMER-FREE METHOD FOR TRANSFERRING CVD GROWN GRAPHENE ONTO HYDROPHOBIC SUBSTRATES
Benedict Yorke Johnson
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,272,647Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 provides a schematic of two possible scenarios for a target substrate (glass)- graphene-formation substrate (Copper) "sandwich" where the materials are …
FIGS. 2A and 2B we plot the calculated dry and wet adhesion energies between graphene and glass substrate as functions of dispersion and polar components of …
FIG. 3 is a schematic illustration of the transfer process of polymer-free method developed in the invention for transferring CVD-grown monolayer graphene. The …
FIG. 4 is a schematic of the transfer of monolayer graphene onto a glass substrate silanized with octadecyltrichlorosilane (OTS). The functional group, R, is …
FIG. 5. Thin PMMA is first spin-coated on top of Gr/copper foil at a spin speed 14 SP 14-393 of 4000 rpm for 50 s. The sample is then heated in an oven at SVG …
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process comprising: a. forming a graphene layer having a pristine surface and a non-pristine surface on a formation substrate, wherein the pristine surface is the surface in contact with the formation substrate; b. transferring the graphene layer formed on the formation substrate to a target substrate by: i. contacting the non-pristine surface of the graphene layer with the target substrate with sufficient force to adhere the graphene layer to the target substrate, and ii. separating the formation substrate and the target substrate, wherein the target substrate comprises a material having a hydrophobic surface having a contact angle of from about 90 0 to about 150 0; and wherein, after transferring, the pristine surface of the graphene layer has less than 5 atom % organic impurities. Previously presented
The process of claim 1, wherein the target substrate comprises an inorganic material. Original
The process of claim 1, wherein the inorganic material comprises a thermally or chemically tempered glass, or a flexible glass substrate having a thickness less than or equal to about 0.5 mm. Original
The process of claim 1, wherein the contacting step comprises pressing the formation substrate and the target substrates together at a pressure greater than 100 psi. Original
The process of claim 1, wherein the separating step comprises etching the formation substrate. Original
The process of claim 1, wherein the hydrophobic surface of the target substrate is created via a chemical, thermal, physical, or electrical method. Original
The process of claim 1, wherein the hydrophobic surface comprises a organic coating on the target substrate. Original
The process of claim 1, the process further comprising the step of chemically modif y ing the target substrate. Original
The article of claim 1 4-7, wherein the target substrate is a glass. Currently amended
The process of claim 1, wherein the graphene layer has a coverage level of about 10% or greater. Currently amended
An article comprising: a. a glass, glass ceramic, or ceramic substrate comprising at least one chemically modified, hydrophobic surface having a contact angle of from about 900 to about 150 0; b. a graphene layer comprising a pristine surface having less than 5 atom% organic impurities and a non-pristine surface; and wherein the hydrophobic surface and the non-pristine surface contact each other. Canceled
The article of claim 17, wherein the hydrophobic surface comprises an organic coating. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene on hydrophobic substrate article
Materials described outside the worked examples.
graphene
C
inorganic material (target substrate)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hydrophobic surface contact angle of target substrate | 90–150 degrees | inorganic material (target substrate) |
organic impurities on pristine graphene surface after transfer | ≤ 5 atom% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,272,647Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 provides a schematic of two possible scenarios for a target substrate (glass)- graphene-formation substrate (Copper) "sandwich" where the materials are …
FIGS. 2A and 2B we plot the calculated dry and wet adhesion energies between graphene and glass substrate as functions of dispersion and polar components of …
FIG. 3 is a schematic illustration of the transfer process of polymer-free method developed in the invention for transferring CVD-grown monolayer graphene. The …
FIG. 4 is a schematic of the transfer of monolayer graphene onto a glass substrate silanized with octadecyltrichlorosilane (OTS). The functional group, R, is …
FIG. 5. Thin PMMA is first spin-coated on top of Gr/copper foil at a spin speed 14 SP 14-393 of 4000 rpm for 50 s. The sample is then heated in an oven at SVG …
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process comprising: a. forming a graphene layer having a pristine surface and a non-pristine surface on a formation substrate, wherein the pristine surface is the surface in contact with the formation substrate; b. transferring the graphene layer formed on the formation substrate to a target substrate by: i. contacting the non-pristine surface of the graphene layer with the target substrate with sufficient force to adhere the graphene layer to the target substrate, and ii. separating the formation substrate and the target substrate, wherein the target substrate comprises a material having a hydrophobic surface having a contact angle of from about 90 0 to about 150 0; and wherein, after transferring, the pristine surface of the graphene layer has less than 5 atom % organic impurities. Previously presented
The process of claim 1, wherein the target substrate comprises an inorganic material. Original
The process of claim 1, wherein the inorganic material comprises a thermally or chemically tempered glass, or a flexible glass substrate having a thickness less than or equal to about 0.5 mm. Original
The process of claim 1, wherein the contacting step comprises pressing the formation substrate and the target substrates together at a pressure greater than 100 psi. Original
The process of claim 1, wherein the separating step comprises etching the formation substrate. Original
The process of claim 1, wherein the hydrophobic surface of the target substrate is created via a chemical, thermal, physical, or electrical method. Original
The process of claim 1, wherein the hydrophobic surface comprises a organic coating on the target substrate. Original
The process of claim 1, the process further comprising the step of chemically modif y ing the target substrate. Original
The article of claim 1 4-7, wherein the target substrate is a glass. Currently amended
The process of claim 1, wherein the graphene layer has a coverage level of about 10% or greater. Currently amended
An article comprising: a. a glass, glass ceramic, or ceramic substrate comprising at least one chemically modified, hydrophobic surface having a contact angle of from about 900 to about 150 0; b. a graphene layer comprising a pristine surface having less than 5 atom% organic impurities and a non-pristine surface; and wherein the hydrophobic surface and the non-pristine surface contact each other. Canceled
The article of claim 17, wherein the hydrophobic surface comprises an organic coating. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene on hydrophobic substrate article
Materials described outside the worked examples.
graphene
C
inorganic material (target substrate)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hydrophobic surface contact angle of target substrate | 90–150 degrees | inorganic material (target substrate) |
organic impurities on pristine graphene surface after transfer | ≤ 5 atom% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,272,647Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 provides a schematic of two possible scenarios for a target substrate (glass)- graphene-formation substrate (Copper) "sandwich" where the materials are …
FIGS. 2A and 2B we plot the calculated dry and wet adhesion energies between graphene and glass substrate as functions of dispersion and polar components of …
FIG. 3 is a schematic illustration of the transfer process of polymer-free method developed in the invention for transferring CVD-grown monolayer graphene. The …
FIG. 4 is a schematic of the transfer of monolayer graphene onto a glass substrate silanized with octadecyltrichlorosilane (OTS). The functional group, R, is …
FIG. 5. Thin PMMA is first spin-coated on top of Gr/copper foil at a spin speed 14 SP 14-393 of 4000 rpm for 50 s. The sample is then heated in an oven at SVG …
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process comprising: a. forming a graphene layer having a pristine surface and a non-pristine surface on a formation substrate, wherein the pristine surface is the surface in contact with the formation substrate; b. transferring the graphene layer formed on the formation substrate to a target substrate by: i. contacting the non-pristine surface of the graphene layer with the target substrate with sufficient force to adhere the graphene layer to the target substrate, and ii. separating the formation substrate and the target substrate, wherein the target substrate comprises a material having a hydrophobic surface having a contact angle of from about 90 0 to about 150 0; and wherein, after transferring, the pristine surface of the graphene layer has less than 5 atom % organic impurities. Previously presented
The process of claim 1, wherein the target substrate comprises an inorganic material. Original
The process of claim 1, wherein the inorganic material comprises a thermally or chemically tempered glass, or a flexible glass substrate having a thickness less than or equal to about 0.5 mm. Original
The process of claim 1, wherein the contacting step comprises pressing the formation substrate and the target substrates together at a pressure greater than 100 psi. Original
The process of claim 1, wherein the separating step comprises etching the formation substrate. Original
The process of claim 1, wherein the hydrophobic surface of the target substrate is created via a chemical, thermal, physical, or electrical method. Original
The process of claim 1, wherein the hydrophobic surface comprises a organic coating on the target substrate. Original
The process of claim 1, the process further comprising the step of chemically modif y ing the target substrate. Original
The article of claim 1 4-7, wherein the target substrate is a glass. Currently amended
The process of claim 1, wherein the graphene layer has a coverage level of about 10% or greater. Currently amended
An article comprising: a. a glass, glass ceramic, or ceramic substrate comprising at least one chemically modified, hydrophobic surface having a contact angle of from about 900 to about 150 0; b. a graphene layer comprising a pristine surface having less than 5 atom% organic impurities and a non-pristine surface; and wherein the hydrophobic surface and the non-pristine surface contact each other. Canceled
The article of claim 17, wherein the hydrophobic surface comprises an organic coating. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene on hydrophobic substrate article
Materials described outside the worked examples.
graphene
C
inorganic material (target substrate)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hydrophobic surface contact angle of target substrate | 90–150 degrees | inorganic material (target substrate) |
organic impurities on pristine graphene surface after transfer | ≤ 5 atom% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,272,647Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 provides a schematic of two possible scenarios for a target substrate (glass)- graphene-formation substrate (Copper) "sandwich" where the materials are …
FIGS. 2A and 2B we plot the calculated dry and wet adhesion energies between graphene and glass substrate as functions of dispersion and polar components of …
FIG. 3 is a schematic illustration of the transfer process of polymer-free method developed in the invention for transferring CVD-grown monolayer graphene. The …
FIG. 4 is a schematic of the transfer of monolayer graphene onto a glass substrate silanized with octadecyltrichlorosilane (OTS). The functional group, R, is …
FIG. 5. Thin PMMA is first spin-coated on top of Gr/copper foil at a spin speed 14 SP 14-393 of 4000 rpm for 50 s. The sample is then heated in an oven at SVG …
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process comprising: a. forming a graphene layer having a pristine surface and a non-pristine surface on a formation substrate, wherein the pristine surface is the surface in contact with the formation substrate; b. transferring the graphene layer formed on the formation substrate to a target substrate by: i. contacting the non-pristine surface of the graphene layer with the target substrate with sufficient force to adhere the graphene layer to the target substrate, and ii. separating the formation substrate and the target substrate, wherein the target substrate comprises a material having a hydrophobic surface having a contact angle of from about 90 0 to about 150 0; and wherein, after transferring, the pristine surface of the graphene layer has less than 5 atom % organic impurities. Previously presented
The process of claim 1, wherein the target substrate comprises an inorganic material. Original
The process of claim 1, wherein the inorganic material comprises a thermally or chemically tempered glass, or a flexible glass substrate having a thickness less than or equal to about 0.5 mm. Original
The process of claim 1, wherein the contacting step comprises pressing the formation substrate and the target substrates together at a pressure greater than 100 psi. Original
The process of claim 1, wherein the separating step comprises etching the formation substrate. Original
The process of claim 1, wherein the hydrophobic surface of the target substrate is created via a chemical, thermal, physical, or electrical method. Original
The process of claim 1, wherein the hydrophobic surface comprises a organic coating on the target substrate. Original
The process of claim 1, the process further comprising the step of chemically modif y ing the target substrate. Original
The article of claim 1 4-7, wherein the target substrate is a glass. Currently amended
The process of claim 1, wherein the graphene layer has a coverage level of about 10% or greater. Currently amended
An article comprising: a. a glass, glass ceramic, or ceramic substrate comprising at least one chemically modified, hydrophobic surface having a contact angle of from about 900 to about 150 0; b. a graphene layer comprising a pristine surface having less than 5 atom% organic impurities and a non-pristine surface; and wherein the hydrophobic surface and the non-pristine surface contact each other. Canceled
The article of claim 17, wherein the hydrophobic surface comprises an organic coating. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene on hydrophobic substrate article
Materials described outside the worked examples.
graphene
C
inorganic material (target substrate)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 6A and 6 B are a Raman mapping image of the 2D band (Fig. 6A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 6 B) of the monolayer …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hydrophobic surface contact angle of target substrate | 90–150 degrees | inorganic material (target substrate) |
organic impurities on pristine graphene surface after transfer | ≤ 5 atom% |
Related documents with shared materials, methods, properties, or citations.
thermally or chemically tempered glass or flexible glass substrate
organic coating
silane
glass, glass ceramic, or ceramic
polymer coating
copper
Cu
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
C |
graphene coverage level on target substrate | ≥ 10 % | C |
flexible glass substrate thickness | ≤ 0.5 mm | thermally or chemically tempered glass or flexible glass substrate |
intrinsic carrier mobility of graphene (background literature value) | 200000 cm²/Vs | C |
Pressure | ≥ 1 psi | — |
thermally or chemically tempered glass or flexible glass substrate
organic coating
silane
glass, glass ceramic, or ceramic
polymer coating
copper
Cu
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
C |
graphene coverage level on target substrate | ≥ 10 % | C |
flexible glass substrate thickness | ≤ 0.5 mm | thermally or chemically tempered glass or flexible glass substrate |
intrinsic carrier mobility of graphene (background literature value) | 200000 cm²/Vs | C |
Pressure | ≥ 1 psi | — |
thermally or chemically tempered glass or flexible glass substrate
organic coating
silane
glass, glass ceramic, or ceramic
polymer coating
copper
Cu
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
C |
graphene coverage level on target substrate | ≥ 10 % | C |
flexible glass substrate thickness | ≤ 0.5 mm | thermally or chemically tempered glass or flexible glass substrate |
intrinsic carrier mobility of graphene (background literature value) | 200000 cm²/Vs | C |
Pressure | ≥ 1 psi | — |
thermally or chemically tempered glass or flexible glass substrate
organic coating
silane
glass, glass ceramic, or ceramic
polymer coating
copper
Cu
FIGS. 7A and 7 B are a Raman mapping image of the 2D band (Fig. 7A) (mapping scale 100 mm x 100 mm) and corresponding spectrum (Fig. 7 B) of the monolayer …
FIGS. 8A and 8 B are a Raman mapping image of the 2D band (Fig. 8A) (mapping scale 100 m x 100 m) and corresponding spectrum (Fig. 8 B) of the monolayer …
FIGS. 9A and 9 B are a Raman mapping image of G/2D intensity ratio (
C |
graphene coverage level on target substrate | ≥ 10 % | C |
flexible glass substrate thickness | ≤ 0.5 mm | thermally or chemically tempered glass or flexible glass substrate |
intrinsic carrier mobility of graphene (background literature value) | 200000 cm²/Vs | C |
Pressure | ≥ 1 psi | — |