Abstract: Provided is a complex comprising a hydrophobic cluster compound and a ?-1,3-1,6-D-glucan having a degree of branching (a ratio of ?-1,6 linkages to ?-1,3 linkages) of 50 to 100%.

Abstract: An ultraviolet (UV) light-emitting diode including an n-type semiconductor layer, an active layer disposed on the n-type semiconductor layer, a p-type semiconductor layer disposed on the active layer and formed of p-type AlGaN, and a p-type graphene layer disposed on the p-type semiconductor layer and formed of graphene doped with a p-type dopant. The UV light-emitting diode has improved light emission efficiency by lowering contact resistance with the p-type semiconductor layer and maximizing UV transmittance.

Abstract: A thermoelectric element comprises a substrate with a patterned discontinuous fullerene thin film. A method of applying a patterned discontinuous fullerene thin film to a substrate comprises applying a mask to the substrate, the mask defining a conductive electric network, applying a fullerene material to the masked substrate to deposit a patterned discontinuous fullerene thin film, applying a selected bond breaking force to the network to disassociate fullerene carbon to fullerene carbon bonds without disassociating fullerene carbon to substrate bonds to form a patterned discontinuous fullerene thin film substantially a single fullerene molecule in thickness.

Abstract: An oligophenylene monomer of general formula (I) wherein R1 and R2 are independently of each other H, halogene, —OH, —NH2, —CN, —NO2 or a linear or branched, saturated or unsaturated C1-C40 hydrocarbon residue, which can be substituted 1- to 5-fold with halogene (F, Cl, Br, I), —OH, —NH2, —CN and/or —NO2, and wherein one or more CH2-groups can be replaced by —O— or —S—, or an optionally substituted aryl, alkylaryl or alkoxyaryl residue; and m represents 0, 1 or 2.

Abstract: Methods for converting graphite oxide into graphene by exposure to electromagnetic radiation are described. As an example, graphene oxide may be rapidly converted into graphene upon exposure to converged sunlight.

Abstract: Photovoltaic cells comprising an active layer comprising, as p-type material, conjugated polymers such as polythiophene and regioregular polythiophene, and as n-type material at least one fullerene derivative. The fullerene derivative can be C60, C70, or C84. The fullerene also can be functionalized with indene groups. Improved efficiency can be achieved.

Abstract: Provided are an active metamaterial device operating at a high speed and a manufacturing method thereof. The active metamaterial device includes a first dielectric layer, a lower electrode disposed on the first dielectric layer, a second dielectric layer disposed on the lower electrode, metamaterial patterns disposed on the second dielectric layer, a couple layer disposed on the metamaterial patterns and the second dielectric layer, a third dielectric layer disposed on the couple layer, and an upper electrode disposed on the third dielectric layer.

Abstract: A method of fabricating a single-layer graphene on a silicon carbide (SiC) wafer includes forming a plurality of graphene layers on the SiC wafer such that the plurality of graphene layers are on a buffer layer of the SiC wafer, the buffer layer being formed of carbon; removing the plurality of graphene layers from the buffer layer; and converting the buffer layer to a single-layer graphene.

Abstract: The objective of the present teaching is to provide a porous material including carbon nanohorns. The porous material includes carbon nanohorns and has a predetermined three-dimensional shape.

Abstract: Fullerenes, when irradiated with electromagnetic radiation, generate acoustic waves. A photoacoustic tomography method using a material comprising fullerenes is disclosed that includes irradiating the material with a radiation beam such as a laser. The resultant photoacoustic effect produced by the material is detected by at least one detector. A photoacoustic tomography system using a material comprising fullerenes is also described.

Abstract: A method of forming polycrystalline diamond includes forming metal nanoparticles having a carbon coating from an organometallic material; combining a diamond material with the metal nanoparticles having the carbon coating; and processing the diamond material and the metal nanoparticles having the carbon coating to form the polycrystalline diamond. Processing includes catalyzing formation of the polycrystalline diamond by the metal nanoparticles; and forming interparticle bonds that bridge the diamond material by carbon from the carbon coating.

Abstract: The purpose of showing the present description is to provide a dense material containing carbon nanohorns. For this purpose, the present description shows the dense material containing carbon nanohorns and having a predetermined three-dimensional shape.

Abstract: A system for separating fluids of a fluid mixture including a filter element operatively arranged for enabling a first component of a fluid mixture to flow therethrough while impeding flow of at least one other fluid component of the fluid mixture. An additive is configured to improve a first affinity of the filter element for the first component relative to a second affinity of the filter element for the at least one other fluid component of the fluid mixture. A method of separating fluids is also included.

Abstract: Provided are a compound semiconductor device and a manufacturing method thereof. A substrate and a graphene oxide layer are provided on the substrate. A first compound semiconductor layer is provided on the graphene oxide layer. The first compound semiconductor layer is selectively grown from the substrate exposed by the graphene oxide.

Abstract: Hybrid metal-graphene interconnect structures and methods of forming the same. The structure may include a first end metal, a second end metal, a conductive line including one or more graphene portions extending from the first end metal to the second end metal, and one or more line barrier layers partially surrounding each of the one or more graphene portions. The conductive line may further include one or more intermediate metals separating each of the one or more graphene portions. Methods of forming said interconnect structures may include forming a plurality of metals including a first end metal and a second end metal in a dielectric layer, forming one or more line trenches between each of the plurality of metals, forming a line barrier layer in each of the one or more line trenches, and filling the one or more line trenches with graphene.

Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.

Abstract: A method for making epitaxial structure is provided. The method includes providing a substrate having an epitaxial growth surface, growing a buffer layer on the epitaxial growth surface; placing a graphene layer on the buffer layer; epitaxially growing an epitaxial layer on the buffer layer; and removing the substrate. The graphene layer includes a number of apertures to expose a part of the buffer layer. The epitaxial layer is grown from the exposed part of the buffer layer and through the apertures.

Abstract: A cathode electrode of a lithium ion battery includes a cathode current collector and a cathode material layer. The cathode material layer is located on a surface of the cathode current collector. The cathode material layer includes a cathode active material. The cathode active material includes sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The cathode current collector includes a polymer substrate and a graphene layer located on a surface of the polymer substrate adjacent to the cathode material layer. A lithium ion battery using the cathode electrode is also disclosed.

Abstract: The present invention relates to a nano-graphite plate structure with N graphene layers stacked together, where N is 30 to 300. The nanometer nano-graphite structure has a tap density of 0.1 g/cm3 to 0.01 cm3, a thickness of 10 nm to 100 nm, and a lateral dimension of 1 ?m to 100 ?m. The ratio of the lateral dimension to the thickness is between 10 and 10,000. The oxygen content is less than 3 wt %, and the carbon content is larger than 95 wt %. The nano-graphite plate structure has both the excellent features of the graphene and the original advantages of easy processability of the natural graphite so as to be broadly used in various application fields.

Abstract: An electronic device including a printed circuit board (PCB) including a thermal conduction plane and at least one heat generating component mounted on the PCB and connected to the thermal conduction plane. A frame is connected to the PCB so as to define a first thermally conductive path between at least a portion of the frame and the at least one heat generating component. The electronic device further includes at least one thermally conductive layer between the frame and the at least one heat generating component so as to define a second thermally conductive path between at least a portion of the frame and the at least one heat generating component.

Abstract: A method for making epitaxial structure is provided. The method includes providing a substrate having an epitaxial growth surface, patterning the epitaxial growth surface; placing a graphene layer on the patterned epitaxial growth surface, and epitaxially growing an epitaxial layer on the epitaxial growth surface. The graphene layer includes a number of apertures to expose a part of the patterned epitaxial growth surface. The epitaxial layer is grown from the exposed part of the patterned epitaxial growth surface and through the aperture.

Abstract: Inks for the formation of transparent conductive films are described that comprise an aqueous or alcohol based solvent, carbon nanotubes as well as suitable dopants. Suitable dopants generally comprise halogenated ionic dopants. In some embodiment, the inks comprise sulfonated dispersants that can effectively provide additional doping to improve electrical conductivity as well as stabilize the inks with respect to settling and/or improve the fluid properties of the inks for certain processing approaches. The inks can be processed into films with desirable levels of electrical conductivity and optical transparency.

Abstract: An organic semiconductor compound may include a structural unit represented by the aforementioned Chemical Formula 1 and an organic thin film and an electronic device may include the organic semiconductor compound.

Abstract: A method for forming a graphite-based device on a substrate having a plurality of zones is provided where the substrate is carbon doped in zones. Each such zone comprises a plurality of dopant profiles. One or more graphene stacks are generated in the doped zones. A graphene stack so generated comprises a non-planar graphene layer characterized by a bending angle, curvature, characteristic dimension, graphene orientation, graphene type, or combinations thereof. A method for forming a graphite-based device on a substrate is provided, the substrate comprising a graphene foundation material and a plurality of zones. The substrate is patterned to form features in the zones. One feature comprises a non-planar surface or at least two adjacent surfaces that are not coplanar. One or more graphene stacks are concurrently generated, at least one of which comprises a non-planar graphene layer overlaying the non-planar surface or the at least two adjacent surfaces.

Abstract: A nanocomposite fluid includes a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive. A method of making the nanocomposite fluid includes forming boron nitride nanoparticles; dispersing the boron nitride nanoparticles in a solvent; combining the boron nitride nanoparticles and a fluid medium; and removing the solvent.

Abstract: Provided is a transparent carbon nanotube (CNT) electrode comprising a net-like (i.e., net-shaped) CNT thin film and a method for preparing the same. More specifically, a transparent CNT electrode comprises a transparent substrate and a net-shaped CNT thin film formed on the transparent substrate, and a method for preparing a transparent CNT electrode, comprising forming a thin film using particulate materials and CNTs, and then removing the particulate materials to form a net-shaped CNT thin film. The transparent CNT electrode exhibits excellent electrical conductivity while maintaining high light transmittance. Therefore, the transparent CNT electrode can be widely used to fabricate a variety of electronic devices, including image sensors, solar cells, liquid crystal displays, organic electroluminescence (EL) displays, and touch screen panels, that have need of electrodes possessing both light transmission properties and conductive properties.

Abstract: An electronic structure modulation transistor having two gates separated from a channel by corresponding dielectric layers, wherein the channel is formed of a material having an electronic structure that is modified by an electric field across the channel.

Abstract: Disclosed is a fractional order capacitor comprising a dielectric nanocomposite layer of thickness t, comprising a first side, and a second side opposite the first side, a first electrode layer coupled to the first side of the dielectric nanocomposite layer, a second electrode layer coupled to the second side of the dielectric nanocomposite layer, a complex impedance phase angle dependent on at least a material weight percentage of filler material in a dielectric nanocomposite layer.

Abstract: Methods of fabricating patterned substrates, including patterned graphene substrates, using etch masks formed from self-assembled block copolymer films are provided. Some embodiments of the methods are based on block copolymer (BCP) lithography in combination with graphoepitaxy. Some embodiments of the methods are based on BCP lithography techniques that utilize hybrid organic/inorganic etch masks derived from BCP templates. Also provided are field effect transistors incorporating graphene nanoribbon arrays as the conducting channel and methods for fabricating such transistors.

Abstract: An apparatus having reduced phononic coupling between a graphene monolayer and a substrate is provided. The apparatus includes an aerogel substrate and a monolayer of graphene coupled to the aerogel substrate.

Abstract: Tritiated planar carbon forms and their production are provided. Methods are provided for the stoichiometrically controlled labeling of planar carbon forms capitalizing on normal flaws of carboxylic acids ubiquitously present in commercial preparations of these planar carbon forms. Alternative methods include generation of a metallated intermediate whereby a metal is substituted for hydrogen on the carbon backbone of a planar carbon form. The metalized intermediate is then reacted with a tritium donor to covalently label the planar carbon form. The tritiated planar carbon forms produced are useful, for example, for determination of a biological property or environmental fate of planar carbon forms.

Abstract: A method of reducing the diameter of pores formed in a graphene sheet includes forming at least one pore having a first diameter in the graphene sheet such that the at least one pore is surrounded by passivated edges of the graphene sheet. The method further includes chemically reacting the passivated edges with a chemical compound. The method further includes forming a molecular brush at the passivated edges in response to the chemical reaction to define a second diameter that is less than the initial diameter of the at least one pore.

Abstract: A graphene electronic device and a method of fabricating the graphene electronic device are provided. The graphene electronic device may include a graphene channel layer formed on a hydrophobic polymer layer, and a passivation layer formed on the graphene channel layer. The hydrophobic polymer layer may prevent or reduce adsorption of impurities to transferred graphene, and a passivation layer may also prevent or reduce adsorption of impurities to a heat-treated graphene channel layer.

Abstract: A method, an apparatus and an article of manufacture for attracting charged nanoparticles using a graphene nanomesh. The method includes creating a graphene nanomesh by generating multiple holes in graphene, wherein each of the multiple holes is of a size appropriate to a targeted charged nanoparticle, selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle, and electrostatically attracting the target charged nanoparticle to the oppositely charged ring to facilitate docking of the charged nanoparticle to the graphene nanomesh.

Abstract: Photovoltaic cells comprising an active layer comprising, as p-type material, conjugated polymers such as polythiophene and regioregular polythiophene, and as n-type material at least one fullerene derivative. The fullerene derivative can be C60, C70, or C84. The fullerene also can be functionalized with indene groups. Improved efficiency can be achieved.

Abstract: A method for making a carbon nanotube film includes the steps of providing an array of carbon nanotubes, treating the array of carbon nanotubes by plasma, and pulling out a carbon nanotube film from the array of carbon nanotubes treated by the plasma.

Abstract: According to one embodiment, metal nanoparticle dispersion includes organic solvent, and metal-containing particles dispersed in the organic solvent. The metal-containing particles include first metal nanoparticles and second metal nanoparticles. Each of the first metal nanoparticles has a high-molecular compound on at least part of a surface thereof. Each of the second metal nanoparticles has a low-molecular compound on at least part of a surface thereof. A total amount of the low-molecular compound on all of the second nanoparticles includes an amount of a primary amine as the low-molecular compound.

Abstract: The invention features the use of graphene, a one atom thick planar sheet of bonded carbon atoms, in the formation of artificial lipid membranes. The invention also features the use of these membranes to detect the properties of polymers (e.g., the sequence of a nucleic acid) and identify transmembrane protein-interacting compounds.

Abstract: An apparatus having reduced phononic coupling between a graphene monolayer and a substrate is provided. The apparatus includes an aerogel substrate and a monolayer of graphene coupled to the aerogel substrate.

Abstract: A light emitting diode includes a graphene layer, a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode and a second electrode. The first semiconductor layer, the active layer, and the second semiconductor layer are stacked with each other in sequence. The first electrode is located on and electrically connected with the second semiconductor layer. The second electrode is located on and electrically connected with the first semiconductor layer. The graphene layer is located on at least one of the first semiconductor layer and the second semiconductor layer.

Abstract: A light emitting diode includes a substrate, graphene layer, a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode and a second electrode. The first semiconductor layer is on the epitaxial growth layer of the substrate. The active layer is between the first semiconductor layer and the second semiconductor layer. The first electrode is electrically connected with the second semiconductor layer and the second electrode electrically is connected with the second part of the carbon nanotube layer. The graphene layer is located on at least one of the first semiconductor layer and the second semiconductor layer.

Abstract: This carbon nanofiber is produced by a vapor phase reaction of a carbon oxide-containing raw material gas using a friend oxide powder including a Co oxide as a catalyst, wherein at least one type selected from metal cobalt, carbon-containing cobalt metals, and cobalt-carbon compounds is contained (encapsulated) in the fiber in a wrapped state. This method for producing a carbon nanofiber includes: producing a carbon nanofiber by, a vapor phase reaction of a carbon oxide-containing raw material gas using a mixed powder of a Co oxide and a Mg oxide as a catalyst, wherein a mixed powder of CoO and MgO, which is obtained by hydrogen-reducing a mixed powder of Co3O4 and MgO using a reduction gas having a hydrogen concentration in which metal cobalt is not generated, is used as the catalyst.

Abstract: A light emitting diode includes a substrate, graphene layer, a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode, a second electrode, and a reflection layer. The first semiconductor layer, the active layer, and the second semiconductor layer are stacked on the substrate in sequence. The first electrode is electrically connected with the second semiconductor layer and the second electrode electrically is connected with the second part of the carbon nanotube layer. The graphene layer is located on at least one of the first semiconductor layer and the second semiconductor layer. The reflection layer covers the second semiconductor layer.

Abstract: Photovoltaic cells comprising an active layer comprising, as p-type material, conjugated polymers such as polythiophene and regioregular polythiophene, and as n-type material at least one fullerene derivative. The fullerene derivative can be C60, C70, or C84. The fullerene also can be functionalized with indene groups. Improved efficiency can be achieved.

Abstract: An optically transparent and electrically conductive film composed of metal nanowires or carbon nanotubes combined with pristine graphene with a metal nanowire-to-graphene or carbon nanotube-to-graphene weight ratio from 1/99 to 99/1, wherein the pristine graphene is single-crystalline and contains no oxygen and no hydrogen, and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, LED display, a TV screen, a computer screen, or a mobile phone screen.

Abstract: A graphene memory includes a source and a drain spaced apart from each other on a conductive semiconductor substrate, a graphene layer contacting the conductive semiconductor substrate and spaced apart from and between the source and the drain, and a gate electrode on the graphene layer. A Schottky barrier is formed between the conductive semiconductor substrate and the graphene layer such that the graphene layer is used as a charge-trap layer for storing charges.

Abstract: The present invention relates to a composite of carbon nanotubes and of graphenes in agglomerated solid form comprising: a) carbon nanotubes, the content of which represents from 0.1% to 50% by weight, preferably from 10% to 40% by weight relative to the total weight of the composite; b) graphenes, the content of which represents from 0.1% to 20% by weight, preferably from 1% to 10% by weight relative to the total weight of the composite; and c) a polymer composition comprising at least one thermoplastic polymer and/or one elastomer. The present invention also relates to a process for preparing said composite, its use for the manufacture of a composite product, and also to the various applications of the composite product.

Abstract: Graphene transistor devices and methods of their fabrication are disclosed. In accordance with one method, a resist is deposited to pattern a gate structure area over a graphene channel on a substrate. In addition, gate dielectric material and gate electrode material are deposited over the graphene channel and the resist. Further, the resist and the electrode and dielectric materials that are disposed above the resist are lifted-off to form a gate structure including a gate electrode and a gate dielectric spacer and to expose portions of the graphene channel that are adjacent to the gate structure. Additionally, source and drain electrodes are formed over the exposed portions of the graphene channel.

Abstract: The disclosure provides a light-emitting diode and a method for manufacturing the same. The light-emitting diode comprises a N-type metal electrode, a N-type semiconductor layer contacted with the N-type metal electrode, a P-type semiconductor layer, a light-emitting layer interposed between the N-type semiconductor layer and the P-type semiconductor layer, a low-contact-resistance material layer positioned on the P-type semiconductor layer, a transparent conductive layer covered the low-contact-resistance material layer and the P-type semiconductor layer, and a P-type metal electrode positioned on the transparent conductive layer.

Abstract: A lightweight, low volume, inexpensive LADAR sensor incorporating 3-D focal plane arrays is adapted specifically for personal electronic appliances. The present invention generates, at high speed, 3-D image maps and object data at short to medium ranges. The techniques and structures described may be used to extend the range of long range systems as well, though the focus is on compact, short to medium range ladar sensors suitable for use in personal electronic devices. 3-D focal plane arrays are used in a variety of physical configurations to provide useful new capabilities to a variety of personal electronic appliances.