Patent
US 9,828,285TRANSFER OF MONOLAYER GRAPHENE ONTO FLEXIBLE GLASS SUBSTRATES
Benedict Yorke Johnson
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,828,285Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a schematic of the TRT transfer process. Graphene on a copper formation substrate is first flattened between two cleaned glass slides. A pre-cut …
FIG. 2 describes the PMMA method embodied herein for transferring a CVD- grown monolayer of graphene onto an thin, flexible glass substrate. [0020]
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 5 Optical transmittance spectrum of SVG 14971163.12-16-2015.II₉₈R₅GKPXXIFW3.SPEC.5.12.1332.1130.1506.1178.svg 0.16 0.58 Chemistry Black and white glass …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
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 for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 1 0 p m to about 300 pm; b. contacting a chemical vapor deposition-grown graphene on a formation substrate with a thermal release tape to form a stack; c. applying a pressing force of from about 100 to about 1000 psi to the stack for time sufficient to adhere the thermal release tape to the graphene, then removing of the pressing force; d. etching away the formation substrate in an etchant solution; e. contacting the clean ultrathin, flexible glass substrate with the graphene to form a sandwich comprising the thermal release tape, graphene, and ultrathin, flexible glass substrate, and placing the sandwich in a press; f. applying a pressing force of from about 75 to about 300 psi to the sandwich for time-sufficient to adhere the graphene to the ultrathin, flexible glass substrate, then removing of the pressing force; and g. heating the sandwich to a temperature about 1 0 to about 1 0° C above the release temperature of the thermal release tape for a time sufficient to allow for removal of to remove the thermal release tape without damage to the graphene or ultrathin, flexible glass substrate, or removal of the graphene from the ultrathin, flexible glass substrate. Atty. Dkt. No. SP₁₄-395-3-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein the process further comprises between steps c. and d., the step of contacting the stack with an acid for sufficient time to remove any graphene on the formation substrate not within the stack.
The process of claim 1, wherein the acid comprises nitric acid, sulfuric acid, or hydrochloric acid, or combinations thereof.
The process of claim 1, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 1, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 1, wherein the etchant comprises iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid, or combinations thereof.
The process of claim 1, wherein the pressing force on the stack is from about 150 psi to about 800 psi.
The process of claim 1, wherein the pressing force on the sandwich is from about 100 to about 200 psi.
The process of claim 1, wherein the sandwich is heated to a temperature about 1 o to about 5 ° C above the release temperature. Atty. Dkt. No. SP₁₄-395 -4- Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein in step a., the organic base is selected from the group of KOI I, NI I 4 0II, NaOI I, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 1, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 1, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
The process of claim 1, wherein the 0 2 plasma treatment is applied before the organic base and peroxide solution is applied, and the organic base and peroxide solution is applied before the acid and peroxide solution is applied. Atty. Dkt. No. SP₁₄-395
A process for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 10 p m to about 300 pm; b. coating a chemical vapor deposition-grown graphene with a polymer at-a temperature-and for-a-dime sufficient-o-allow the polymer to polymerize and polymerizing the polymer; e-etehing=away=the-formation-substrate in an etchant solution; [[d.]] c contacting the clean ultrathin, flexible glass substrate with the graphene to form a stack comprising the polymer, graphene, and ultrathin, flexible glass substrate; and [[e.]] d. dissolving the polymer by contacting the polymer with an organic solvent.
The process of claim 13, wherein the polymer comprises a polymethylmethacrylate (PMMA) or polydimethylsiloxane (PDMS). Atty. Dkt. No. SP₁₄-395-5-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 13, wherein in step a., the organic base is selected from the group of KOH, NIL 4 OII, NaOII, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 13, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 13, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 13, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 13, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated flexible glass
Materials described outside the worked examples.
CVD-grown graphene
ultrathin, flexible glass substrate
thermal release tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 150–800 psi | — |
Pressure | 100–1000 psi |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,828,285Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a schematic of the TRT transfer process. Graphene on a copper formation substrate is first flattened between two cleaned glass slides. A pre-cut …
FIG. 2 describes the PMMA method embodied herein for transferring a CVD- grown monolayer of graphene onto an thin, flexible glass substrate. [0020]
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 5 Optical transmittance spectrum of SVG 14971163.12-16-2015.II₉₈R₅GKPXXIFW3.SPEC.5.12.1332.1130.1506.1178.svg 0.16 0.58 Chemistry Black and white glass …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
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 for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 1 0 p m to about 300 pm; b. contacting a chemical vapor deposition-grown graphene on a formation substrate with a thermal release tape to form a stack; c. applying a pressing force of from about 100 to about 1000 psi to the stack for time sufficient to adhere the thermal release tape to the graphene, then removing of the pressing force; d. etching away the formation substrate in an etchant solution; e. contacting the clean ultrathin, flexible glass substrate with the graphene to form a sandwich comprising the thermal release tape, graphene, and ultrathin, flexible glass substrate, and placing the sandwich in a press; f. applying a pressing force of from about 75 to about 300 psi to the sandwich for time-sufficient to adhere the graphene to the ultrathin, flexible glass substrate, then removing of the pressing force; and g. heating the sandwich to a temperature about 1 0 to about 1 0° C above the release temperature of the thermal release tape for a time sufficient to allow for removal of to remove the thermal release tape without damage to the graphene or ultrathin, flexible glass substrate, or removal of the graphene from the ultrathin, flexible glass substrate. Atty. Dkt. No. SP₁₄-395-3-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein the process further comprises between steps c. and d., the step of contacting the stack with an acid for sufficient time to remove any graphene on the formation substrate not within the stack.
The process of claim 1, wherein the acid comprises nitric acid, sulfuric acid, or hydrochloric acid, or combinations thereof.
The process of claim 1, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 1, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 1, wherein the etchant comprises iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid, or combinations thereof.
The process of claim 1, wherein the pressing force on the stack is from about 150 psi to about 800 psi.
The process of claim 1, wherein the pressing force on the sandwich is from about 100 to about 200 psi.
The process of claim 1, wherein the sandwich is heated to a temperature about 1 o to about 5 ° C above the release temperature. Atty. Dkt. No. SP₁₄-395 -4- Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein in step a., the organic base is selected from the group of KOI I, NI I 4 0II, NaOI I, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 1, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 1, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
The process of claim 1, wherein the 0 2 plasma treatment is applied before the organic base and peroxide solution is applied, and the organic base and peroxide solution is applied before the acid and peroxide solution is applied. Atty. Dkt. No. SP₁₄-395
A process for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 10 p m to about 300 pm; b. coating a chemical vapor deposition-grown graphene with a polymer at-a temperature-and for-a-dime sufficient-o-allow the polymer to polymerize and polymerizing the polymer; e-etehing=away=the-formation-substrate in an etchant solution; [[d.]] c contacting the clean ultrathin, flexible glass substrate with the graphene to form a stack comprising the polymer, graphene, and ultrathin, flexible glass substrate; and [[e.]] d. dissolving the polymer by contacting the polymer with an organic solvent.
The process of claim 13, wherein the polymer comprises a polymethylmethacrylate (PMMA) or polydimethylsiloxane (PDMS). Atty. Dkt. No. SP₁₄-395-5-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 13, wherein in step a., the organic base is selected from the group of KOH, NIL 4 OII, NaOII, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 13, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 13, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 13, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 13, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated flexible glass
Materials described outside the worked examples.
CVD-grown graphene
ultrathin, flexible glass substrate
thermal release tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 150–800 psi | — |
Pressure | 100–1000 psi |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,828,285Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a schematic of the TRT transfer process. Graphene on a copper formation substrate is first flattened between two cleaned glass slides. A pre-cut …
FIG. 2 describes the PMMA method embodied herein for transferring a CVD- grown monolayer of graphene onto an thin, flexible glass substrate. [0020]
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 5 Optical transmittance spectrum of SVG 14971163.12-16-2015.II₉₈R₅GKPXXIFW3.SPEC.5.12.1332.1130.1506.1178.svg 0.16 0.58 Chemistry Black and white glass …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
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 for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 1 0 p m to about 300 pm; b. contacting a chemical vapor deposition-grown graphene on a formation substrate with a thermal release tape to form a stack; c. applying a pressing force of from about 100 to about 1000 psi to the stack for time sufficient to adhere the thermal release tape to the graphene, then removing of the pressing force; d. etching away the formation substrate in an etchant solution; e. contacting the clean ultrathin, flexible glass substrate with the graphene to form a sandwich comprising the thermal release tape, graphene, and ultrathin, flexible glass substrate, and placing the sandwich in a press; f. applying a pressing force of from about 75 to about 300 psi to the sandwich for time-sufficient to adhere the graphene to the ultrathin, flexible glass substrate, then removing of the pressing force; and g. heating the sandwich to a temperature about 1 0 to about 1 0° C above the release temperature of the thermal release tape for a time sufficient to allow for removal of to remove the thermal release tape without damage to the graphene or ultrathin, flexible glass substrate, or removal of the graphene from the ultrathin, flexible glass substrate. Atty. Dkt. No. SP₁₄-395-3-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein the process further comprises between steps c. and d., the step of contacting the stack with an acid for sufficient time to remove any graphene on the formation substrate not within the stack.
The process of claim 1, wherein the acid comprises nitric acid, sulfuric acid, or hydrochloric acid, or combinations thereof.
The process of claim 1, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 1, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 1, wherein the etchant comprises iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid, or combinations thereof.
The process of claim 1, wherein the pressing force on the stack is from about 150 psi to about 800 psi.
The process of claim 1, wherein the pressing force on the sandwich is from about 100 to about 200 psi.
The process of claim 1, wherein the sandwich is heated to a temperature about 1 o to about 5 ° C above the release temperature. Atty. Dkt. No. SP₁₄-395 -4- Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein in step a., the organic base is selected from the group of KOI I, NI I 4 0II, NaOI I, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 1, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 1, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
The process of claim 1, wherein the 0 2 plasma treatment is applied before the organic base and peroxide solution is applied, and the organic base and peroxide solution is applied before the acid and peroxide solution is applied. Atty. Dkt. No. SP₁₄-395
A process for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 10 p m to about 300 pm; b. coating a chemical vapor deposition-grown graphene with a polymer at-a temperature-and for-a-dime sufficient-o-allow the polymer to polymerize and polymerizing the polymer; e-etehing=away=the-formation-substrate in an etchant solution; [[d.]] c contacting the clean ultrathin, flexible glass substrate with the graphene to form a stack comprising the polymer, graphene, and ultrathin, flexible glass substrate; and [[e.]] d. dissolving the polymer by contacting the polymer with an organic solvent.
The process of claim 13, wherein the polymer comprises a polymethylmethacrylate (PMMA) or polydimethylsiloxane (PDMS). Atty. Dkt. No. SP₁₄-395-5-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 13, wherein in step a., the organic base is selected from the group of KOH, NIL 4 OII, NaOII, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 13, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 13, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 13, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 13, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated flexible glass
Materials described outside the worked examples.
CVD-grown graphene
ultrathin, flexible glass substrate
thermal release tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 150–800 psi | — |
Pressure | 100–1000 psi |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,828,285Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a schematic of the TRT transfer process. Graphene on a copper formation substrate is first flattened between two cleaned glass slides. A pre-cut …
FIG. 2 describes the PMMA method embodied herein for transferring a CVD- grown monolayer of graphene onto an thin, flexible glass substrate. [0020]
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 5 Optical transmittance spectrum of SVG 14971163.12-16-2015.II₉₈R₅GKPXXIFW3.SPEC.5.12.1332.1130.1506.1178.svg 0.16 0.58 Chemistry Black and white glass …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
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 for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 1 0 p m to about 300 pm; b. contacting a chemical vapor deposition-grown graphene on a formation substrate with a thermal release tape to form a stack; c. applying a pressing force of from about 100 to about 1000 psi to the stack for time sufficient to adhere the thermal release tape to the graphene, then removing of the pressing force; d. etching away the formation substrate in an etchant solution; e. contacting the clean ultrathin, flexible glass substrate with the graphene to form a sandwich comprising the thermal release tape, graphene, and ultrathin, flexible glass substrate, and placing the sandwich in a press; f. applying a pressing force of from about 75 to about 300 psi to the sandwich for time-sufficient to adhere the graphene to the ultrathin, flexible glass substrate, then removing of the pressing force; and g. heating the sandwich to a temperature about 1 0 to about 1 0° C above the release temperature of the thermal release tape for a time sufficient to allow for removal of to remove the thermal release tape without damage to the graphene or ultrathin, flexible glass substrate, or removal of the graphene from the ultrathin, flexible glass substrate. Atty. Dkt. No. SP₁₄-395-3-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein the process further comprises between steps c. and d., the step of contacting the stack with an acid for sufficient time to remove any graphene on the formation substrate not within the stack.
The process of claim 1, wherein the acid comprises nitric acid, sulfuric acid, or hydrochloric acid, or combinations thereof.
The process of claim 1, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 1, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 1, wherein the etchant comprises iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid, or combinations thereof.
The process of claim 1, wherein the pressing force on the stack is from about 150 psi to about 800 psi.
The process of claim 1, wherein the pressing force on the sandwich is from about 100 to about 200 psi.
The process of claim 1, wherein the sandwich is heated to a temperature about 1 o to about 5 ° C above the release temperature. Atty. Dkt. No. SP₁₄-395 -4- Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 1, wherein in step a., the organic base is selected from the group of KOI I, NI I 4 0II, NaOI I, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 1, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 1, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
The process of claim 1, wherein the 0 2 plasma treatment is applied before the organic base and peroxide solution is applied, and the organic base and peroxide solution is applied before the acid and peroxide solution is applied. Atty. Dkt. No. SP₁₄-395
A process for forming a graphene-coated glass comprising: a. forming a clean ultrathin, flexible glass substrate, comprising: i. applying an 0 2 plasma treatment to an ultrathin, flexible glass substrate; ii. applying an organic base and peroxide solution to the ultrathin, flexible glass substrate; and iii. applying an acid and peroxide solution to the ultrathin, flexible glass substrate; wherein the ultrathin, flexible glass substrate has a thickness of from about 10 p m to about 300 pm; b. coating a chemical vapor deposition-grown graphene with a polymer at-a temperature-and for-a-dime sufficient-o-allow the polymer to polymerize and polymerizing the polymer; e-etehing=away=the-formation-substrate in an etchant solution; [[d.]] c contacting the clean ultrathin, flexible glass substrate with the graphene to form a stack comprising the polymer, graphene, and ultrathin, flexible glass substrate; and [[e.]] d. dissolving the polymer by contacting the polymer with an organic solvent.
The process of claim 13, wherein the polymer comprises a polymethylmethacrylate (PMMA) or polydimethylsiloxane (PDMS). Atty. Dkt. No. SP₁₄-395-5-Johnson et al. Reply to Office Action of Application No. 14/971,163
The process of claim 13, wherein in step a., the organic base is selected from the group of KOH, NIL 4 OII, NaOII, Ca(OH) 2 and combinations thereof; the acid is selected from the group of hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, phosphoric acid, and combinations thereof; and the peroxide is selected from the group of hydrogen peroxide.
The process of claim 13, wherein the process further comprises an additional cleaning step comprising washing the graphene and ultrathin, flexible glass substrate with one or more organic solvents to remove any residual thermal release tape residues.
The process of claim 13, wherein the solvent comprises methanol, ethanol, toluene, benzene, acetone, or a combination thereof.
The process of claim 13, wherein the ultrathin, flexible glass substrate is on a roll.
The process of claim 13, wherein the ultrathin, flexible glass substrate is supported on a second substrate, thicker substrate.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated flexible glass
Materials described outside the worked examples.
CVD-grown graphene
ultrathin, flexible glass substrate
thermal release tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3 is a Raman mapping image typical of graphene transferred onto a thin glass sample (Willow *, Co rn ing Incorporated) using either of the TRT or PMMA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 150–800 psi | — |
Pressure | 100–1000 psi |
Related documents with shared materials, methods, properties, or citations.
acid (nitric acid, sulfuric acid, or hydrochloric acid)
organic solvent (methanol, ethanol, toluene, benzene, acetone)
etchant (iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid)
organic base and peroxide cleaning solution (KOH, NaOH, NH₄OH, Ca(OH)2 with hydrogen peroxide)
polymer (PMMA or PDMS)
copper foil (formation substrate)
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
| — |
Pressure | 75–300 psi | — |
Pressure | 100–200 psi | — |
Temperature | 5–10 °C | — |
acid (nitric acid, sulfuric acid, or hydrochloric acid)
organic solvent (methanol, ethanol, toluene, benzene, acetone)
etchant (iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid)
organic base and peroxide cleaning solution (KOH, NaOH, NH₄OH, Ca(OH)2 with hydrogen peroxide)
polymer (PMMA or PDMS)
copper foil (formation substrate)
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
| — |
Pressure | 75–300 psi | — |
Pressure | 100–200 psi | — |
Temperature | 5–10 °C | — |
acid (nitric acid, sulfuric acid, or hydrochloric acid)
organic solvent (methanol, ethanol, toluene, benzene, acetone)
etchant (iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid)
organic base and peroxide cleaning solution (KOH, NaOH, NH₄OH, Ca(OH)2 with hydrogen peroxide)
polymer (PMMA or PDMS)
copper foil (formation substrate)
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
| — |
Pressure | 75–300 psi | — |
Pressure | 100–200 psi | — |
Temperature | 5–10 °C | — |
acid (nitric acid, sulfuric acid, or hydrochloric acid)
organic solvent (methanol, ethanol, toluene, benzene, acetone)
etchant (iron chloride, ammonium persulfate, iron nitrate, copper chloride, copper sulfate, hydrochloric acid, hydroboric acid, nitric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, chromium oxide, phosphoric acid)
organic base and peroxide cleaning solution (KOH, NaOH, NH₄OH, Ca(OH)2 with hydrogen peroxide)
polymer (PMMA or PDMS)
copper foil (formation substrate)
FIG. 4 is a Raman spectrum typical of the monolayer graphene grown on a copper foil and transferred onto Willow * glass samples using either the embodied TRT …
FIG. 6 is a Raman spectrum typical of a monolayer of graphene grown on copper foil and transferred onto Phyllo * glass samples using the TRT method. The low …
| — |
Pressure | 75–300 psi | — |
Pressure | 100–200 psi | — |
Temperature | 5–10 °C | — |