Patent
US 10,745,641LOW FRICTION WEAR RESISTANT GRAPHENE FILMS
Anirudha V. Sumant
US
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Patent
Atlas literature
Patent
US 10,745,641Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a low friction wear surface comprising: disposing over a substrate a solution comprising nanodiamonds and a MoS₂ 2D material to form a first sliding component; sliding the first sliding component against a second sliding component having a diamond- like carbon on a sliding surface; forming scrolls of the MoS₂ 2D material around the nanodiamonds; [[and]] breaking down a portion of the MoS₂ 2D material into molybdenum and sulfur; and reacting the sulfur with the nanodiamonds converting the scrolled nanodiamonds into nanoonions. Currently amended
The method of claim 1, further comprising establishing a dry environment over the substrate. Original
The method of claim 1, wherein disposing the solution over the substrate comprises forming patches of the material on the substrate. Original
The method of claim 1, wherein forming patches of the material on the substrate comprises spraying a liquid containing the material onto the substrate. Original
The method of claim 1, wherein disposing the nanoparticles over the substrate comprises spraying a liquid containing the nanoparticles onto the substrate. Original
A method of forming a low friction wear surface comprising: preparing graphene by chemical exfoliation of highly oriented pyrolytic graphite; suspending the graphene in a solvent to form a solution of at least 1 mg/L; adding 50- 1000mg/L of nanodiamonds to the graphene solution; and forming solution processed graphene with nanodiamonds by depositing the solution on a substrate in a dry, inert environment and evaporating the solvent. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness greater than 1 nm and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness less than lum and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the solvent is ethanol. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.25- 1 mL of solution per 10 cm 2 of substrate. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.5-0.75mL of solution per 10cm 2 of substrate. Withdrawn
The method of claim 6, wherein adding 50- 1000mg/L of nanodiamonds comprising adding 50-250mg of nanodiamond per 1L. Withdrawn
13-23. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
low friction wear surface tribological system
second sliding component with DLC surface
Materials described outside the worked examples.
MoS₂ 2D material
MoS₂
nanodiamonds
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
superlubric regime COF | ≤ 0.01 dimensionless | graphene |
Thickness | 2–10 nm |
Related documents with shared materials, methods, properties, or citations.
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
Patent
Atlas literature
Patent
US 10,745,641Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a low friction wear surface comprising: disposing over a substrate a solution comprising nanodiamonds and a MoS₂ 2D material to form a first sliding component; sliding the first sliding component against a second sliding component having a diamond- like carbon on a sliding surface; forming scrolls of the MoS₂ 2D material around the nanodiamonds; [[and]] breaking down a portion of the MoS₂ 2D material into molybdenum and sulfur; and reacting the sulfur with the nanodiamonds converting the scrolled nanodiamonds into nanoonions. Currently amended
The method of claim 1, further comprising establishing a dry environment over the substrate. Original
The method of claim 1, wherein disposing the solution over the substrate comprises forming patches of the material on the substrate. Original
The method of claim 1, wherein forming patches of the material on the substrate comprises spraying a liquid containing the material onto the substrate. Original
The method of claim 1, wherein disposing the nanoparticles over the substrate comprises spraying a liquid containing the nanoparticles onto the substrate. Original
A method of forming a low friction wear surface comprising: preparing graphene by chemical exfoliation of highly oriented pyrolytic graphite; suspending the graphene in a solvent to form a solution of at least 1 mg/L; adding 50- 1000mg/L of nanodiamonds to the graphene solution; and forming solution processed graphene with nanodiamonds by depositing the solution on a substrate in a dry, inert environment and evaporating the solvent. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness greater than 1 nm and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness less than lum and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the solvent is ethanol. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.25- 1 mL of solution per 10 cm 2 of substrate. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.5-0.75mL of solution per 10cm 2 of substrate. Withdrawn
The method of claim 6, wherein adding 50- 1000mg/L of nanodiamonds comprising adding 50-250mg of nanodiamond per 1L. Withdrawn
13-23. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
low friction wear surface tribological system
second sliding component with DLC surface
Materials described outside the worked examples.
MoS₂ 2D material
MoS₂
nanodiamonds
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
superlubric regime COF | ≤ 0.01 dimensionless | graphene |
Thickness | 2–10 nm |
Related documents with shared materials, methods, properties, or citations.
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
Patent
Atlas literature
Patent
US 10,745,641Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a low friction wear surface comprising: disposing over a substrate a solution comprising nanodiamonds and a MoS₂ 2D material to form a first sliding component; sliding the first sliding component against a second sliding component having a diamond- like carbon on a sliding surface; forming scrolls of the MoS₂ 2D material around the nanodiamonds; [[and]] breaking down a portion of the MoS₂ 2D material into molybdenum and sulfur; and reacting the sulfur with the nanodiamonds converting the scrolled nanodiamonds into nanoonions. Currently amended
The method of claim 1, further comprising establishing a dry environment over the substrate. Original
The method of claim 1, wherein disposing the solution over the substrate comprises forming patches of the material on the substrate. Original
The method of claim 1, wherein forming patches of the material on the substrate comprises spraying a liquid containing the material onto the substrate. Original
The method of claim 1, wherein disposing the nanoparticles over the substrate comprises spraying a liquid containing the nanoparticles onto the substrate. Original
A method of forming a low friction wear surface comprising: preparing graphene by chemical exfoliation of highly oriented pyrolytic graphite; suspending the graphene in a solvent to form a solution of at least 1 mg/L; adding 50- 1000mg/L of nanodiamonds to the graphene solution; and forming solution processed graphene with nanodiamonds by depositing the solution on a substrate in a dry, inert environment and evaporating the solvent. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness greater than 1 nm and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness less than lum and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the solvent is ethanol. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.25- 1 mL of solution per 10 cm 2 of substrate. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.5-0.75mL of solution per 10cm 2 of substrate. Withdrawn
The method of claim 6, wherein adding 50- 1000mg/L of nanodiamonds comprising adding 50-250mg of nanodiamond per 1L. Withdrawn
13-23. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
low friction wear surface tribological system
second sliding component with DLC surface
Materials described outside the worked examples.
MoS₂ 2D material
MoS₂
nanodiamonds
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
superlubric regime COF | ≤ 0.01 dimensionless | graphene |
Thickness | 2–10 nm |
Related documents with shared materials, methods, properties, or citations.
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
Patent
Atlas literature
Patent
US 10,745,641Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a low friction wear surface comprising: disposing over a substrate a solution comprising nanodiamonds and a MoS₂ 2D material to form a first sliding component; sliding the first sliding component against a second sliding component having a diamond- like carbon on a sliding surface; forming scrolls of the MoS₂ 2D material around the nanodiamonds; [[and]] breaking down a portion of the MoS₂ 2D material into molybdenum and sulfur; and reacting the sulfur with the nanodiamonds converting the scrolled nanodiamonds into nanoonions. Currently amended
The method of claim 1, further comprising establishing a dry environment over the substrate. Original
The method of claim 1, wherein disposing the solution over the substrate comprises forming patches of the material on the substrate. Original
The method of claim 1, wherein forming patches of the material on the substrate comprises spraying a liquid containing the material onto the substrate. Original
The method of claim 1, wherein disposing the nanoparticles over the substrate comprises spraying a liquid containing the nanoparticles onto the substrate. Original
A method of forming a low friction wear surface comprising: preparing graphene by chemical exfoliation of highly oriented pyrolytic graphite; suspending the graphene in a solvent to form a solution of at least 1 mg/L; adding 50- 1000mg/L of nanodiamonds to the graphene solution; and forming solution processed graphene with nanodiamonds by depositing the solution on a substrate in a dry, inert environment and evaporating the solvent. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness greater than 1 nm and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the substrate has a surface roughness less than lum and the nanodiamonds have an average particle size of 3-100 nm. Withdrawn
The method of claim 6, wherein the solvent is ethanol. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.25- 1 mL of solution per 10 cm 2 of substrate. Withdrawn
The method of claim 6, wherein depositing the solution comprises depositing 0.5-0.75mL of solution per 10cm 2 of substrate. Withdrawn
The method of claim 6, wherein adding 50- 1000mg/L of nanodiamonds comprising adding 50-250mg of nanodiamond per 1L. Withdrawn
13-23. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
low friction wear surface tribological system
second sliding component with DLC surface
Materials described outside the worked examples.
MoS₂ 2D material
MoS₂
nanodiamonds
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
superlubric regime COF | ≤ 0.01 dimensionless | graphene |
Thickness | 2–10 nm |
Related documents with shared materials, methods, properties, or citations.
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
diamond-like carbon
nano-onions (scrolled nanodiamond conversion product)
graphene (chemically exfoliated from HOPG)
highly oriented pyrolytic graphite
ethanol
C₂H₅OH
h-BN 2D material
BN
graphene
| — |
Thickness | 3–5 nm | — |
Thickness | 3–50 nm | — |
Duration | 10–30 min | — |
Pressure | 1011–1013 pa | — |
Thickness | 7–10 nm | — |
Thickness | 3–100 nm | — |
Duration | 20–30 minutes | — |
Duration | 20–30 mins | — |
Thickness | 5–7 nm | — |
Thickness | 20–30 nm | — |
Thickness | 0.6–9 cm | — |
Thickness | 8–10 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≥ 900 K | — |
Thickness | ≥ 1 nm | — |
diamond-like carbon
nano-onions (scrolled nanodiamond conversion product)
graphene (chemically exfoliated from HOPG)
highly oriented pyrolytic graphite
ethanol
C₂H₅OH
h-BN 2D material
BN
graphene
| — |
Thickness | 3–5 nm | — |
Thickness | 3–50 nm | — |
Duration | 10–30 min | — |
Pressure | 1011–1013 pa | — |
Thickness | 7–10 nm | — |
Thickness | 3–100 nm | — |
Duration | 20–30 minutes | — |
Duration | 20–30 mins | — |
Thickness | 5–7 nm | — |
Thickness | 20–30 nm | — |
Thickness | 0.6–9 cm | — |
Thickness | 8–10 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≥ 900 K | — |
Thickness | ≥ 1 nm | — |
diamond-like carbon
nano-onions (scrolled nanodiamond conversion product)
graphene (chemically exfoliated from HOPG)
highly oriented pyrolytic graphite
ethanol
C₂H₅OH
h-BN 2D material
BN
graphene
| — |
Thickness | 3–5 nm | — |
Thickness | 3–50 nm | — |
Duration | 10–30 min | — |
Pressure | 1011–1013 pa | — |
Thickness | 7–10 nm | — |
Thickness | 3–100 nm | — |
Duration | 20–30 minutes | — |
Duration | 20–30 mins | — |
Thickness | 5–7 nm | — |
Thickness | 20–30 nm | — |
Thickness | 0.6–9 cm | — |
Thickness | 8–10 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≥ 900 K | — |
Thickness | ≥ 1 nm | — |
diamond-like carbon
nano-onions (scrolled nanodiamond conversion product)
graphene (chemically exfoliated from HOPG)
highly oriented pyrolytic graphite
ethanol
C₂H₅OH
h-BN 2D material
BN
graphene
| — |
Thickness | 3–5 nm | — |
Thickness | 3–50 nm | — |
Duration | 10–30 min | — |
Pressure | 1011–1013 pa | — |
Thickness | 7–10 nm | — |
Thickness | 3–100 nm | — |
Duration | 20–30 minutes | — |
Duration | 20–30 mins | — |
Thickness | 5–7 nm | — |
Thickness | 20–30 nm | — |
Thickness | 0.6–9 cm | — |
Thickness | 8–10 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≥ 900 K | — |
Thickness | ≥ 1 nm | — |