Patent
US 10,475,549STRUCTURE INCLUDING MOLECULAR MONOLAYER AND GRAPHENE ELECTRODE, FLEXIBLE ELECTRONIC DEVICE, AND METHOD OF PRODUCING THE SAME
Hyoyoung LEE
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,475,549Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram illustrating an example of a method of preparing a device using a graphene electrode-molecular thin film hybrid structure. SVG …
FIG. 2 [M in, M., Bang, G. S., Lee, H. & Yu, B. C., A photoswitchable methylene-spaced fluorinated aryl azobenzene monolayer grafted on silicon, Chem. Commun. …
FIG. 3 and characterized. [00106] <Preparation of CVD graphene electrodes> [00107]A Cu foil on which graphene was deposited by a single-layer chemical vapor …
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 7A includes a schematic diagram illustrating the structure of a vertical junction (a) 5 according to one example, an optical image of one example device …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure, comprising: a first electrode comprising graphene disposed on a substrate; a second electrode comprising graphene disposed substantially parallel to the first electrode and separated in space from the first electrode by a molecular monolayer, wherein the first electrode is chemically or physically bonded with one end of the molecular monolayer disposed between the first electrode and the second electrode, and the second electrode is chemically or physically bonded with other end of the molecular monolayer; wherein the molecular monolayer is configured to maintain a voltage applied between the first electrode and the second electrode; and wherein the molecular monolayer is configured to induce reversible photo-switching between trans- and cis- conformations of the molecular monolayer in response to UV-vis irradiation. Currently amended
The structure of claim 1, wherein the molecular monolayer is formed from an organic molecule comprising an aryl diazonium-based cation. Original
The structure of claim 1, wherein the molecular monolayer is chemically or physically bonded with the first electrode via a covalent bond or a physical contact and is chemically or physically bonded with the second electrode via a covalent bond or a physical contact. Previously presented
The structure of claim 1, wherein the first electrode or the second electrode comprises a graphene prepared by a chemical vapor deposition, a spin-coating method, or a dipping method, or a reduced graphene oxide prepared by a solution-phase process. Previously presented
A flexible electronic device, comprising the structure according to claim 1. Original
The structure of claim 1, wherein the molecular monolayer is bonded with the first electrode via a covalent bond and is bonded with the second electrode via a physical contact. Previously presented
The structure of claim 1, wherein the first electrode is a single layer graphene and the second electrode is a single-layer graphene. Previously presented
The structure of claim 1, wherein the voltage is between-3.0 V to 3.0 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.5 V to 0.5 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.3 V to 0.3 V. Previously presented
The structure of claim 1, further comprising a first gold (Au) metal lead connected to the first electrode and a second gold (Au) metal lead connected to the second electrode. Currently amended
7-16.. Canceled
Canceled
A vertical molecular tunneling device, comprising: a substrate layer, a first graphene layer, a tunnel junction layer, and a second graphene layer, disposed in this order; wherein the tunnel junction layer comprises a monolayer of molecules, which are bonded chemically or physically to the first graphene layer at one end and which are bonded chemically or physically to the second graphene layer at the other end, that is effective to form molecular junctions between the first graphene layer and the second graphene layer without electrical shorting. Previously presented
The vertical molecular tunneling device of claim 24, wherein the thickness of the monolayer is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the monolayer of molecules comprises an aryl diazonium-based cation and the molecular length of the molecules is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the bonds between (i) the monolayer and (ii) the first graphene layer or the second graphene layer are effective to increase the lattice constant of the first graphene layer or the lattice constant of the second graphene layer, respectively, to at least about 2.51 A. Previously presented
The vertical molecular tunneling device of claim 24, wherein the substrate layer, the first graphene layer, the tunnel junction layer, and the second graphene layer are configured to induce reversible photo-switching between trans- and cis- conformations of the monolayer of molecules in response to UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of electric potential difference applied across the first and second graphene layers. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene/molecular monolayer/graphene structure
flexible electronic device
No layer stack recorded.
vertical molecular tunneling device
Materials described outside the worked examples.
graphene
molecular monolayer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene lattice constant after monolayer bonding | ≥ 2.51 Angstrom | graphene |
molecular monolayer thickness | 1.5–2 nm |
Table 1
Raman spectra of each sample in each of the corresponding steps for the device preparation was summarized in Table 1.
p. 15
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,475,549Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram illustrating an example of a method of preparing a device using a graphene electrode-molecular thin film hybrid structure. SVG …
FIG. 2 [M in, M., Bang, G. S., Lee, H. & Yu, B. C., A photoswitchable methylene-spaced fluorinated aryl azobenzene monolayer grafted on silicon, Chem. Commun. …
FIG. 3 and characterized. [00106] <Preparation of CVD graphene electrodes> [00107]A Cu foil on which graphene was deposited by a single-layer chemical vapor …
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 7A includes a schematic diagram illustrating the structure of a vertical junction (a) 5 according to one example, an optical image of one example device …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure, comprising: a first electrode comprising graphene disposed on a substrate; a second electrode comprising graphene disposed substantially parallel to the first electrode and separated in space from the first electrode by a molecular monolayer, wherein the first electrode is chemically or physically bonded with one end of the molecular monolayer disposed between the first electrode and the second electrode, and the second electrode is chemically or physically bonded with other end of the molecular monolayer; wherein the molecular monolayer is configured to maintain a voltage applied between the first electrode and the second electrode; and wherein the molecular monolayer is configured to induce reversible photo-switching between trans- and cis- conformations of the molecular monolayer in response to UV-vis irradiation. Currently amended
The structure of claim 1, wherein the molecular monolayer is formed from an organic molecule comprising an aryl diazonium-based cation. Original
The structure of claim 1, wherein the molecular monolayer is chemically or physically bonded with the first electrode via a covalent bond or a physical contact and is chemically or physically bonded with the second electrode via a covalent bond or a physical contact. Previously presented
The structure of claim 1, wherein the first electrode or the second electrode comprises a graphene prepared by a chemical vapor deposition, a spin-coating method, or a dipping method, or a reduced graphene oxide prepared by a solution-phase process. Previously presented
A flexible electronic device, comprising the structure according to claim 1. Original
The structure of claim 1, wherein the molecular monolayer is bonded with the first electrode via a covalent bond and is bonded with the second electrode via a physical contact. Previously presented
The structure of claim 1, wherein the first electrode is a single layer graphene and the second electrode is a single-layer graphene. Previously presented
The structure of claim 1, wherein the voltage is between-3.0 V to 3.0 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.5 V to 0.5 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.3 V to 0.3 V. Previously presented
The structure of claim 1, further comprising a first gold (Au) metal lead connected to the first electrode and a second gold (Au) metal lead connected to the second electrode. Currently amended
7-16.. Canceled
Canceled
A vertical molecular tunneling device, comprising: a substrate layer, a first graphene layer, a tunnel junction layer, and a second graphene layer, disposed in this order; wherein the tunnel junction layer comprises a monolayer of molecules, which are bonded chemically or physically to the first graphene layer at one end and which are bonded chemically or physically to the second graphene layer at the other end, that is effective to form molecular junctions between the first graphene layer and the second graphene layer without electrical shorting. Previously presented
The vertical molecular tunneling device of claim 24, wherein the thickness of the monolayer is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the monolayer of molecules comprises an aryl diazonium-based cation and the molecular length of the molecules is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the bonds between (i) the monolayer and (ii) the first graphene layer or the second graphene layer are effective to increase the lattice constant of the first graphene layer or the lattice constant of the second graphene layer, respectively, to at least about 2.51 A. Previously presented
The vertical molecular tunneling device of claim 24, wherein the substrate layer, the first graphene layer, the tunnel junction layer, and the second graphene layer are configured to induce reversible photo-switching between trans- and cis- conformations of the monolayer of molecules in response to UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of electric potential difference applied across the first and second graphene layers. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene/molecular monolayer/graphene structure
flexible electronic device
No layer stack recorded.
vertical molecular tunneling device
Materials described outside the worked examples.
graphene
molecular monolayer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene lattice constant after monolayer bonding | ≥ 2.51 Angstrom | graphene |
molecular monolayer thickness | 1.5–2 nm |
Table 1
Raman spectra of each sample in each of the corresponding steps for the device preparation was summarized in Table 1.
p. 15
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,475,549Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram illustrating an example of a method of preparing a device using a graphene electrode-molecular thin film hybrid structure. SVG …
FIG. 2 [M in, M., Bang, G. S., Lee, H. & Yu, B. C., A photoswitchable methylene-spaced fluorinated aryl azobenzene monolayer grafted on silicon, Chem. Commun. …
FIG. 3 and characterized. [00106] <Preparation of CVD graphene electrodes> [00107]A Cu foil on which graphene was deposited by a single-layer chemical vapor …
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 7A includes a schematic diagram illustrating the structure of a vertical junction (a) 5 according to one example, an optical image of one example device …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure, comprising: a first electrode comprising graphene disposed on a substrate; a second electrode comprising graphene disposed substantially parallel to the first electrode and separated in space from the first electrode by a molecular monolayer, wherein the first electrode is chemically or physically bonded with one end of the molecular monolayer disposed between the first electrode and the second electrode, and the second electrode is chemically or physically bonded with other end of the molecular monolayer; wherein the molecular monolayer is configured to maintain a voltage applied between the first electrode and the second electrode; and wherein the molecular monolayer is configured to induce reversible photo-switching between trans- and cis- conformations of the molecular monolayer in response to UV-vis irradiation. Currently amended
The structure of claim 1, wherein the molecular monolayer is formed from an organic molecule comprising an aryl diazonium-based cation. Original
The structure of claim 1, wherein the molecular monolayer is chemically or physically bonded with the first electrode via a covalent bond or a physical contact and is chemically or physically bonded with the second electrode via a covalent bond or a physical contact. Previously presented
The structure of claim 1, wherein the first electrode or the second electrode comprises a graphene prepared by a chemical vapor deposition, a spin-coating method, or a dipping method, or a reduced graphene oxide prepared by a solution-phase process. Previously presented
A flexible electronic device, comprising the structure according to claim 1. Original
The structure of claim 1, wherein the molecular monolayer is bonded with the first electrode via a covalent bond and is bonded with the second electrode via a physical contact. Previously presented
The structure of claim 1, wherein the first electrode is a single layer graphene and the second electrode is a single-layer graphene. Previously presented
The structure of claim 1, wherein the voltage is between-3.0 V to 3.0 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.5 V to 0.5 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.3 V to 0.3 V. Previously presented
The structure of claim 1, further comprising a first gold (Au) metal lead connected to the first electrode and a second gold (Au) metal lead connected to the second electrode. Currently amended
7-16.. Canceled
Canceled
A vertical molecular tunneling device, comprising: a substrate layer, a first graphene layer, a tunnel junction layer, and a second graphene layer, disposed in this order; wherein the tunnel junction layer comprises a monolayer of molecules, which are bonded chemically or physically to the first graphene layer at one end and which are bonded chemically or physically to the second graphene layer at the other end, that is effective to form molecular junctions between the first graphene layer and the second graphene layer without electrical shorting. Previously presented
The vertical molecular tunneling device of claim 24, wherein the thickness of the monolayer is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the monolayer of molecules comprises an aryl diazonium-based cation and the molecular length of the molecules is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the bonds between (i) the monolayer and (ii) the first graphene layer or the second graphene layer are effective to increase the lattice constant of the first graphene layer or the lattice constant of the second graphene layer, respectively, to at least about 2.51 A. Previously presented
The vertical molecular tunneling device of claim 24, wherein the substrate layer, the first graphene layer, the tunnel junction layer, and the second graphene layer are configured to induce reversible photo-switching between trans- and cis- conformations of the monolayer of molecules in response to UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of electric potential difference applied across the first and second graphene layers. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene/molecular monolayer/graphene structure
flexible electronic device
No layer stack recorded.
vertical molecular tunneling device
Materials described outside the worked examples.
graphene
molecular monolayer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene lattice constant after monolayer bonding | ≥ 2.51 Angstrom | graphene |
molecular monolayer thickness | 1.5–2 nm |
Table 1
Raman spectra of each sample in each of the corresponding steps for the device preparation was summarized in Table 1.
p. 15
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,475,549Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram illustrating an example of a method of preparing a device using a graphene electrode-molecular thin film hybrid structure. SVG …
FIG. 2 [M in, M., Bang, G. S., Lee, H. & Yu, B. C., A photoswitchable methylene-spaced fluorinated aryl azobenzene monolayer grafted on silicon, Chem. Commun. …
FIG. 3 and characterized. [00106] <Preparation of CVD graphene electrodes> [00107]A Cu foil on which graphene was deposited by a single-layer chemical vapor …
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 7A includes a schematic diagram illustrating the structure of a vertical junction (a) 5 according to one example, an optical image of one example device …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure, comprising: a first electrode comprising graphene disposed on a substrate; a second electrode comprising graphene disposed substantially parallel to the first electrode and separated in space from the first electrode by a molecular monolayer, wherein the first electrode is chemically or physically bonded with one end of the molecular monolayer disposed between the first electrode and the second electrode, and the second electrode is chemically or physically bonded with other end of the molecular monolayer; wherein the molecular monolayer is configured to maintain a voltage applied between the first electrode and the second electrode; and wherein the molecular monolayer is configured to induce reversible photo-switching between trans- and cis- conformations of the molecular monolayer in response to UV-vis irradiation. Currently amended
The structure of claim 1, wherein the molecular monolayer is formed from an organic molecule comprising an aryl diazonium-based cation. Original
The structure of claim 1, wherein the molecular monolayer is chemically or physically bonded with the first electrode via a covalent bond or a physical contact and is chemically or physically bonded with the second electrode via a covalent bond or a physical contact. Previously presented
The structure of claim 1, wherein the first electrode or the second electrode comprises a graphene prepared by a chemical vapor deposition, a spin-coating method, or a dipping method, or a reduced graphene oxide prepared by a solution-phase process. Previously presented
A flexible electronic device, comprising the structure according to claim 1. Original
The structure of claim 1, wherein the molecular monolayer is bonded with the first electrode via a covalent bond and is bonded with the second electrode via a physical contact. Previously presented
The structure of claim 1, wherein the first electrode is a single layer graphene and the second electrode is a single-layer graphene. Previously presented
The structure of claim 1, wherein the voltage is between-3.0 V to 3.0 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.5 V to 0.5 V. Previously presented
The structure of claim 1, wherein the voltage is between-0.3 V to 0.3 V. Previously presented
The structure of claim 1, further comprising a first gold (Au) metal lead connected to the first electrode and a second gold (Au) metal lead connected to the second electrode. Currently amended
7-16.. Canceled
Canceled
A vertical molecular tunneling device, comprising: a substrate layer, a first graphene layer, a tunnel junction layer, and a second graphene layer, disposed in this order; wherein the tunnel junction layer comprises a monolayer of molecules, which are bonded chemically or physically to the first graphene layer at one end and which are bonded chemically or physically to the second graphene layer at the other end, that is effective to form molecular junctions between the first graphene layer and the second graphene layer without electrical shorting. Previously presented
The vertical molecular tunneling device of claim 24, wherein the thickness of the monolayer is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the monolayer of molecules comprises an aryl diazonium-based cation and the molecular length of the molecules is from about 1.5 nm to about 2.0 nm. Previously presented
The vertical molecular tunneling device of claim 24, wherein the bonds between (i) the monolayer and (ii) the first graphene layer or the second graphene layer are effective to increase the lattice constant of the first graphene layer or the lattice constant of the second graphene layer, respectively, to at least about 2.51 A. Previously presented
The vertical molecular tunneling device of claim 24, wherein the substrate layer, the first graphene layer, the tunnel junction layer, and the second graphene layer are configured to induce reversible photo-switching between trans- and cis- conformations of the monolayer of molecules in response to UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of UV-vis irradiation. Currently amended
The vertical molecular tunneling device of claim 24, wherein the vertical molecular tunneling device has a plurality of conductance states as a function of electric potential difference applied across the first and second graphene layers. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene/molecular monolayer/graphene structure
flexible electronic device
No layer stack recorded.
vertical molecular tunneling device
Materials described outside the worked examples.
graphene
molecular monolayer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 B is an a tomic force microscopy (AMF) image (7 x 7 ym 2) showing surface roughness of an example of a PDMS/PET substrate. [0031]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene lattice constant after monolayer bonding | ≥ 2.51 Angstrom | graphene |
molecular monolayer thickness | 1.5–2 nm |
Table 1
Raman spectra of each sample in each of the corresponding steps for the device preparation was summarized in Table 1.
p. 15
Related documents with shared materials, methods, properties, or citations.
aryl diazonium-based cation
reduced graphene oxide
4-octylbenzenediazonium
4-decylbenzenediazonium
4-dodecylbenzenediazonium
(E)-4-(10-(4-((4-(trifluoromethyl)phenyl)diazenyl)-phenoxy)-decyloxy)benzenediazonium
gold (Au)
Au
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Voltage | 0.3–0.3 V | — |
Thickness | 400–550 nm | — |
Thickness | 20–70 mM | — |
Thickness | 390–700 nm | — |
Voltage | 3–3 V | — |
Voltage | 0.5–0.5 V | — |
aryl diazonium-based cation
reduced graphene oxide
4-octylbenzenediazonium
4-decylbenzenediazonium
4-dodecylbenzenediazonium
(E)-4-(10-(4-((4-(trifluoromethyl)phenyl)diazenyl)-phenoxy)-decyloxy)benzenediazonium
gold (Au)
Au
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Voltage | 0.3–0.3 V | — |
Thickness | 400–550 nm | — |
Thickness | 20–70 mM | — |
Thickness | 390–700 nm | — |
Voltage | 3–3 V | — |
Voltage | 0.5–0.5 V | — |
aryl diazonium-based cation
reduced graphene oxide
4-octylbenzenediazonium
4-decylbenzenediazonium
4-dodecylbenzenediazonium
(E)-4-(10-(4-((4-(trifluoromethyl)phenyl)diazenyl)-phenoxy)-decyloxy)benzenediazonium
gold (Au)
Au
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Voltage | 0.3–0.3 V | — |
Thickness | 400–550 nm | — |
Thickness | 20–70 mM | — |
Thickness | 390–700 nm | — |
Voltage | 3–3 V | — |
Voltage | 0.5–0.5 V | — |
aryl diazonium-based cation
reduced graphene oxide
4-octylbenzenediazonium
4-decylbenzenediazonium
4-dodecylbenzenediazonium
(E)-4-(10-(4-((4-(trifluoromethyl)phenyl)diazenyl)-phenoxy)-decyloxy)benzenediazonium
gold (Au)
Au
FIG. 5 B includes a f ield emission scanning electron microscopy (FE-SEM) image (1) of a cross section of an example of a v ertical graphene-PhC₁ 0 …
FIG. 6 illustrates Raman spectra of graphene in different junctions obtained from three major steps in an example of a method of preparing a graphene-molecular …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 8B includes a graph illustrating cyclic voltammograms (CVs) of bare gold-coated quartz (black line) and graphene/gold-coated quartz (dotted line) in 0.05 …
FIG. 9 includes an AFM image (a) of bare graphene and an AFM image (b) of a PhC₁ 0 monolayer-graphene on Si O 2, and line profiles corresponding thereto, with …
FIG. 10 includes (a) a TEM image of pristine graphene (left), a selected area electron diffraction (SAED) pattern thereof (middle), and a crystalline structure …
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 11 A is a Fourier Transform Infrared (FRIR) spectra of aryl alkane monolayer- modified graphene on ITO in accordance with an example embodiment. [0044]
FIG. 12E includes graphs illustrating preservation of the c urrent density at-0.3 V against bending (upper) and twist (lower) cycling, showing the …
FIG. 13 is a graph illustrating current density as a function of applied voltage for a graphene-graphene device that contains no molecules, as a controlled …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 14D is a graph illustrating current density plots for each isomer state over at least 50 cycles of reversible photo-switching in an example of a …
FIG. 15 is a graph illustrating transparency of an example of a graphene/PET substrate. The graph shows transmittance of an example of a graphene-PhC₁ 0 AB …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
FIG. 16 includes graphs illustrating voltage-induced conductance switching of an example of a PhC₁ 0 AB device. Graph (a) illustrates a current density-voltage …
Voltage | 0.3–0.3 V | — |
Thickness | 400–550 nm | — |
Thickness | 20–70 mM | — |
Thickness | 390–700 nm | — |
Voltage | 3–3 V | — |
Voltage | 0.5–0.5 V | — |