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18 results about "Molecular junction" patented technology

Molecular Junctions. Nanostructure-based solar- and fuel cells, both organic and inorganic, hold promise for efficiently and cheaply converting solar energy into forms convenient for storage and transportation.

Molecular junctions of metal-oxide-semiconductor and applications

This invention relates to the field of semiconductor technology, specifically to a molecular junction of a metal oxide semiconductor and its applications, wherein the molecular junction is composed of oxygen vacancies and hydroxyl groups, which are bonded to the same metal atom to form an oxygen vacancy-hydroxyl metal oxide molecular junction (Oxygen vacancy-hydroxyl metal oxide, V). O (-M-OH). The molecular junction of this invention can achieve efficient hole injection / transmission, optimize interface band arrangement, and effectively suppress dark current.
Owner:NANJING ROI OPTOELECTRONICS TECH +7

Method for constructing fixed-area molecular tunnel junction and electrical property testing method

The invention belongs to the technical field of molecular electronics, and particularly relates to a method for constructing a fixed-area molecular tunnel junction and an electrical property testing method.The method comprises the steps that a circular array mask is prepared, a gold target is deposited on the surface of a glass sheet, and a circular gold array is obtained; the gold-glass transparent array electrode is soaked in a molecular solution, when molecule self-assembly is completed, the surface is washed and dried, and the gold-glass transparent array electrode with the surface containing a self-assembly monomolecular film is obtained; preparing a gallium-indium alloy electrode; the gold-glass transparent array electrode is placed on an objective table, the tip of the gallium-indium alloy electrode is in contact with the circular gold array, the other end of the gallium-indium alloy electrode is led out to be in contact with the metal probe electrode, a current test loop is formed, and a fixed-area molecular tunnel junction is formed; compared with a traditional metal electrode, the gold-glass transparent array electrode has the advantage that adverse factors such as personal errors of molecular junction electrical property test results are effectively reduced.
Owner:CHONGQING UNIV

Helicene molecule-based capacitance-inductance dual-function device and preparation method thereof

The invention relates to the technical field of molecular devices, in particular to a helicene molecule-based capacitance-inductance dual-function device and a preparation method thereof. The device comprises a first graphene point electrode, helicene molecules and a second graphene point electrode, the first graphene point electrode and the second graphene point electrode form a graphene point electrode pair, and the helicene molecules are connected between the graphene point electrode pair; the helicene molecules are switched between a capacitance effect and an inductance effect by changing the voltage change rate of alternating current applied to the helicene molecules; when the voltage change rate of the alternating current is 0.1-1.0 V / s, the helicene molecules have an inductance effect; and when the voltage change rate of the alternating current is greater than or equal to 10V / s, the helicene molecules have a capacitance effect. According to the preparation method provided by the invention, preparation is carried out on the basis of the graphene single-molecule field effect transistor, remarkable miniaturization of the size of the device is realized, and a relatively high integration level is shown.
Owner:NANKAI UNIV

Capacitance-inductance bifunctional device based on a fulvalene molecule and method for manufacturing the same

The application relates to the technical field of molecular devices, in particular to a capacitance-inductance dual-function device based on a helicene molecule and a preparation method thereof. The device comprises a first graphene dot electrode, a helicene molecule and a second graphene dot electrode, the first graphene dot electrode and the second graphene dot electrode form a graphene dot electrode pair, and the helicene molecule is connected between the graphene dot electrode pair; the helicene molecule is switched between capacitance and inductance effects by changing the voltage change rate of alternating current applied to the helicene molecule; when the voltage change rate of the alternating current is 0.1-1.0 V / s, the helicene molecule has inductance effect; when the voltage change rate of the alternating current is greater than or equal to 10 V / s, the helicene molecule has capacitance effect. The preparation method provided by the application is prepared on the basis of a graphene single-molecule field effect transistor, realizes significant miniaturization of the device size, and exhibits high integration.
Owner:NANKAI UNIV

Microwave manipulated graphene electrode cobalt-based complex molecular device and preparation method thereof

The present application relates to the technical field of molecular device, and particularly relates to a microwave-operated graphene electrode cobalt-based complex molecular device and a preparation method thereof.The molecular device comprises a molecular junction composed of a graphene source electrode, a cobalt-based complex molecule and a graphene drain electrode.The graphene source electrode and the graphene drain electrode form a graphene electrode pair, and the cobalt-based complex molecule is connected between the graphene electrode pair by a covalent bond.The graphene source electrode and the graphene drain electrode are modified by edge carboxylation, and the carboxyl functional groups can form stable covalent bonds with the Co-based complex molecule, so that the Co-based complex molecule is anchored between the two electrodes to form a structurally stable molecular conductive path.The molecular device is constructed based on a nanoscale functional molecule, has a small volume and is conducive to realizing high-density integration.The preparation method has the advantages of simple operation, controllable conditions and high repeatability, and is conducive to large-scale production.
Owner:NANKAI UNIV

Bias control based probabilistic bit device and method of making the same

PendingCN122180119ARedoxFerrocenyl group
The present application relates to the technical field of probabilistic bit device, and especially relates to a probabilistic bit device based on bias control and a preparation method thereof. The probabilistic bit device comprises an electrode pair and a probabilistic bit molecule, and the probabilistic bit molecule is connected between the electrode pair. The skeleton core is a symmetric or near-symmetric biferrocene group, and the two ferrocene units are equivalent redox active centers, and the redox potential is similar, which lays a foundation for state reversible switching and uniform charge delocalization. The ferrocene unit has excellent chemical stability and no thermal degradation problem; the intermediate bridging group can control the electronic coupling strength, which ensures the charge migration across the sites and avoids the coupling of the strong state merging. The results show that in the bias range of 260 mV-400 mV, the probabilistic bit molecule can be switched between the reduced state and the mixed valence state, and then the high and low state ratio of the device is changed, and finally a stable and controllable bias control type probabilistic bit device is constructed.
Owner:NANKAI UNIV

Light-emitting element, display device, and method for manufacturing display device

A light-emitting element includes a first electrode, a hole transport layer formed on the first electrode, a light-emitting layer formed on the hole transport layer, and a second electrode formed on the light-emitting layer, wherein the hole transport layer contains a first hole transport material having a 3D mesh structure with molecules including a hole-transportability skeleton and at least two thermosetting functional groups being joined together to constitute a high molecule and contains a second hole transport material including a plurality of molecules having hole transportability.
Owner:SHARP DISPLAY TECHNOLOGY CORP

Biological based wiring of electronic circuits for molecular sensing applications

In some embodiments, an apparatus comprises a first electrode and a second electrode defining a gap therebetween; a molecular wire disposed across the gap, and configured to electrically connect the first electrode and the second electrode, the molecular wire including: at least one molecule of deoxyribonucleic acid (DNA) including a double stranded portion; and a plurality of functional groups coupled to nucleotides of the at least one molecule of DNA at predetermined positions along the at least one molecule of DNA, the plurality of functional groups configured to cause electron delocalization along the molecular wire to increase an electrical conductivity of the molecular wire; and a first molecular linker configured to couple a first portion of the molecular wire to the first electrode and a second molecular linker configured to couple a second portion of the molecular wire to the second electrode.
Owner:ATLAS DATA STORAGE INC

Nanoparticle sensor having a nanofibrous membrane scaffold

Nanoparticle-fibrous membrane composites are provided as tunable interfacial scaffolds for flexible chemical sensors and biosensors by assembling gold nanoparticles (Au NPs) in a fibrous membrane. The gold nanoparticles are functionalized with organic, polymeric and / or biological molecules. The fibrous membranes may include different filter papers, with one example featuring a multilayered fibrous membrane consisting of a cellulose nanofiber (CN) top layer, an electrospun polyacrylonitrile (PAN) nanofibrous midlayer (or alternate material), and a non-woven polyethylene terephthalate (PET) fibrous support layer, with the nanoparticles provided on the fibrous membranes through interparticle molecular / polymeric linkages and nanoparticle-nanofibrous interactions. Molecular linkers may be employed to tune hydrogen bonding and electrostatic and / or hydrophobic / hydrophilic interactions to provide sensor specificity to gases or liquids. The sensors act as chemiresistor-type sensors. A preferred implementation is a sweat sensor.
Owner:THE RES FOUNDATION FOR THE STATE UNIV OF NEW YORK

Organic monomolecular light-emitting device based on platinum porphyrin dimer and preparation method thereof

The present application relates to the technical field of light-emitting devices, and particularly relates to an organic monomolecular light-emitting device based on platinum porphyrin dimer and a preparation method thereof. The organic monomolecular light-emitting device comprises a pair of graphene electrodes and a functional molecule, wherein the functional molecule is connected between the pair of graphene electrodes, and the functional molecule is an organic compound containing a platinum porphyrin dimer structure. The selected functional molecule can integrate the three functions of hole transport, light emission and electron transport in one, greatly reduce the number of interfaces in the traditional multi-layer structure, reduce the energy loss and non-radiative recombination probability at the interface, and significantly improve the overall performance and long-term operation stability of the device; the functional molecule and the pair of graphene electrodes are combined through covalent connection, and electroluminescence can be realized. The preparation method provided by the present application uses dehydration condensation reaction to complete the connection of the functional molecule and the pair of graphene electrodes, and the preparation process is simple and has good reproducibility, which is conducive to realizing large-scale production.
Owner:NANKAI UNIV

Large-area molecular transistor based on electrochemical gate driving and manufacturing method

The application belongs to the technical field of molecular electronics, and relates to a large-area molecular transistor based on electrochemical gate driving and a manufacturing method thereof. The large-area molecular transistor based on electrochemical gate driving comprises an ultraplanar template glass gold substrate electrode, a liquid pool, a gallium-indium alloy electrode, a molecular solution, a counter electrode and a reference electrode. The ultraplanar template glass gold substrate electrode is arranged at the bottom of the liquid pool, the molecular solution is injected into the liquid pool, and the gallium-indium alloy electrode is arranged at the top of the liquid pool, so that the ultraplanar template glass gold substrate electrode and the gallium-indium alloy electrode form a molecular junction. The counter electrode and the reference electrode are arranged in the molecular solution to form an electrochemical system of an electrochemical gate. The application introduces ionic liquid as a supporting electrolyte and an electrochemical gate in a solvent environment control molecular junction system, changes the electrode potential of the molecular junction by the electrochemical gate, and then influences the redox state of the ferrocenyl mercaptan molecule, so that the electrical performance gate control and the charge transport mechanism of the molecular junction are realized.
Owner:CHONGQING UNIV

Platinum porphyrin dimer-based organic monomolecular luminescent device and preparation method thereof

ActiveCN120916575APorphyrinGraphene electrode
The invention relates to the technical field of light-emitting devices, in particular to an organic monomolecular light-emitting device based on a platinum porphyrin dimer and a preparation method of the organic monomolecular light-emitting device. The organic monomolecular light-emitting device comprises a graphene electrode pair and a functional molecule, the functional molecule is connected between the graphene electrode pair, and the functional molecule is an organic compound containing a platinum porphyrin dimer structure. The selected functional molecules can integrate three functions of hole transport, luminescence and electron transport into a whole, the number of interfaces in a traditional multilayer structure is greatly reduced, the energy loss and non-radiative recombination probability at the interfaces are reduced, and the overall performance and long-term operation stability of the device are remarkably improved; the functional molecules and the graphene electrode pair are combined through covalent linkage, and electroluminescence can be achieved. According to the preparation method provided by the invention, the connection of the functional molecules and the graphene electrode pair is completed by adopting the dehydration condensation reaction, the preparation process is simple, the reproducibility is good, and large-scale production is favorably realized.
Owner:NANKAI UNIV

Microwave-controlled graphene electrode cobalt-based complex molecular device and preparation method thereof

The invention relates to the technical field of molecular devices, in particular to a microwave-controlled graphene electrode cobalt-based complex molecular device and a preparation method thereof. Comprising a molecular junction composed of a graphene source terminal electrode, cobalt-based complex molecules and a graphene drain terminal electrode. Wherein the graphene source terminal electrode and the graphene drain terminal electrode form a graphene electrode pair, and cobalt-based complex molecules are connected between the graphene electrode pair through covalent bonds. The graphene source terminal electrode and the graphene drain terminal electrode are modified by edge carboxylation, and carboxyl functional groups and Co-based complex molecules can form stable covalent bonds, so that the Co-based complex molecules are anchored between the two electrodes, and a molecular conductive path with a stable structure is formed. The molecular device is constructed on the basis of nano-scale functional molecules, is small in size, and is favorable for realizing high-density integration. The preparation method provided by the invention has the advantages of simplicity and convenience in operation, controllable conditions and high repeatability, and is beneficial to large-scale production.
Owner:NANKAI UNIV

Biological based wiring of electronic circuits for molecular sensing applications

In some embodiments, an apparatus comprises a first electrode and a second electrode defining a gap therebetween; a molecular wire disposed across the gap, and configured to electrically connect the first electrode and the second electrode, the molecular wire including: at least one molecule of deoxyribonucleic acid (DNA) including a double stranded portion; and a plurality of functional groups coupled to nucleotides of the at least one molecule of DNA at predetermined positions along the at least one molecule of DNA, the plurality of functional groups configured to cause electron delocalization along the molecular wire to increase an electrical conductivity of the molecular wire; and a first molecular linker configured to couple a first portion of the molecular wire to the first electrode and a second molecular linker configured to couple a second portion of the molecular wire to the second electrode.
Owner:ATLAS DATA STORAGE INC

Solar blind ultraviolet detector and preparation method thereof

The invention relates to the technical field of solar-blind ultraviolet detectors, in particular to a solar-blind ultraviolet detector and a preparation method thereof, an OVMH molecular junction is formed on the surface of a semiconductor by using ultrafast laser irradiation, and the OVMH molecular junction is formed by spatial coupling of a subsurface oxygen vacancy (OV) and a surface hydroxyl-OH. And the ultrafast laser generates a local instantaneous high-temperature and high-pressure environment on the surface of the metal oxide material under the focusing action. Chemical bonds of a restraint layer on the surface of the material and in a modification environment are opened in an instantaneous high-temperature and high-pressure environment to realize surface chemical bond recombination. The energy normalization characteristic of the ultrafast laser can modulate the recombination intensity of surface chemical bonds, and acquisition of different OV and recombination bond concentrations is achieved.
Owner:海南朗研光电有限公司 +7