Showing papers on "Inorganic compound published in 2006"

Organic electroluminescence device and method for fabricating the same

Abstract: An organic electroluminescent (EL) device is provided which uses an electron-transport layer including hole blocking capability. The device includes a stack structure, with an emitting layer and an electron-transport layer provided between an anode and a cathode. The electron-transport layer is a mixture of at least two materials. This mixture may include an organic compound and one or more other organic compounds, or may include a metal or inorganic compound and one or more other metal or inorganic compounds, or may include one or more organic compounds and one or more metal or inorganic compounds. By incorporating a hole blocking capability into the electron-transport layer, structure and fabrication of the device is simplified and efficiency is increased.

Light-emitting device and electronic apparatus

Abstract: A light-emitting device includes: a plurality of light-emitting elements each of which has an anode, a thin organic light-emitting layer, and a cathode sequentially stacked on a substrate and emits light by excitation due to an electric field, the anode being separated from another anode by an insulating pixel partition wall; an organic buffer layer that is formed of an organic compound, covers an area larger than a region where the plurality of light-emitting elements are formed, has a step difference smaller than that of an upper surface of the cathode on the substrate, and is approximately flat; and first and second gas barrier layers that are formed of an inorganic compound, are disposed on an outer surface of the organic buffer layer, and protect the plurality of light-emitting elements against air. Only one of the first and second gas barrier layers is adjacent to an upper surface of an insulating layer formed of an inorganic compound on the substrate so as to cover an area larger than that of the organic buffer layer.

Stable Blue Emission from a Polyfluorene/Layered‐Compound Guest/Host Nanocomposite

Abstract: In this study a blue-light-emitting conjugated polymer, poly(9,9-dioctylfluorene), is confined to the interlayer space of inorganic, layered metal dichalcogenide materials, metallic MoS2, and semiconducting SnS2. The nanocomposites are prepared through Li intercalation into the inorganic compound, exfoliation, and restacking in the presence of the polymer. X-ray diffraction and optical absorption measurements indicate that a single conjugated polymer monolayer, with an overall extended planar morphology conformation, is isolated between the inorganic sheets, so that polymer aggregation or p–p interchain interactions are significantly reduced. Photoluminescence (PL) measurements show that the appearance of the undesirable green emission observed in pristine polymer films is suppressed by incorporating the polymer into the inorganic matrix. The blue emission of the intercalated polymer is stable for extended periods of time, over two years, under ambient conditions. Furthermore, the green emission is absent in the PL spectra of nanocomposite films heated at 100°C for 7 h in air with direct excitation of the keto defect. Finally, no green emission was observed in the electroluminescence spectrum of light-emitting devices fabricated with a polymer-intercalated SnS2 nanocomposite film. These results support the proposed hypothesis that fluorenone defects alone are insufficient to generate the green emission and that interchain interactions are also required.

Analytical and Characterization Studies of Organic and Inorganic Species in Brown Coal

Abstract: Detailed studies have been carried out on the distribution of organic functional groups and inorganic species in as-received (ar) and acid-washed (aw) brown coals using elemental analysis, energy dispersive X-ray analysis (SEM-EDX), X-ray photoelectron spectroscopy (XPS), and Time-of-flight−secondary ion mass spectrometry (TOF−SIMS). Surface concentrations of the various carbon groups, organic oxygen, and inorganic hydroxide were obtained using XPS, but oxygen from clay and quartz, if present, interfered with organic oxygen determinations for the coals. A comparison of ar and aw coals using XPS and SEM-EDX is provided in terms of inorganic and organic sulfur groups. Chloride in these coals is present mainly as acid extractable forms, but small amounts of chloride in the organic matrix were indicated by the elemental analysis of ultra low-ash coals. TOF−SIMS fragments from brown coals were indicative of polymers consisting mainly of single aromatic groups linked by hydrocarbons with carboxyl and phenol fun...

Composite material, material for light-emitting element, light-emitting element, light-emitting device and electronic device

Abstract: The present invention provides a composite material for a light-emitting element including a high molecular compound having an arylamine skeleton and an inorganic compound showing an electron accepting property to the high molecular compound. The absorption spectrum of the composite material is different from absorption spectra of the high molecular compound and the inorganic compound which each form the composite material. In other words, a composite material having an absorption peak in a wavelength which is seen in the absorption spectra of neither the high molecular compound nor the inorganic compound forming the composite material is superior in carrier transporting and injecting properties and a favorable material. In addition, the composite material can be formed by a wet method such as a sol-gel method, it can be apply to the increase of substrate size easily in a manufacturing process and advantageous industrially.

Composite material, and light emitting element and light emitting device using the composite material

Abstract: An object is to provide a light emitting element with low drive voltage which contains an organic compound and an inorganic compound. One feature of a light emitting element of the present invention is to include a layer containing a light emitting material between a pair of electrodes, in which the layer containing a light emitting material has a layer containing a carbazole derivative represented by General Formula (1) and an inorganic compound which exhibits an electron accepting property to the carbazole derivative represented by General Formula (1). With such a structure, the inorganic compound accepts electrons from the carbazole derivative, carriers are generated internally, and a drive voltage of the light emitting element can be reduced.

Composite material, light emitting element and light emitting device

Abstract: An object of the present invention is to provide a composite material formed of an organic compound and an inorganic compound, and has an excellent carrier transporting property, an excellent carrier injecting property to the organic compound, as well as excellent transparency. A composite material of the present invention for achieving the above object is a composite material of an organic compound represented in the general formula below, and an inorganic compound. For the inorganic compound, an oxide of a transition metal, preferably an oxide of a metal belonging to groups 4 to 8 of the periodic table, in particular vanadium oxide, tantalum oxide, molybdenum oxide, tungsten oxide, rhenium oxide, and ruthenium oxide, can be used.

Anions in metallic matrices model: application to the aluminium crystal chemistry.

Abstract: We introduce and discuss an interpretative model of the structure and bonding of inorganic crystals containing metallic elements. The central idea is the conception of the crystal structure of such an inorganic compound as a metallic matrix whose geometric and electronic structures govern the formation and localization of the anions in the lattice. This is the reason for labelling the model anions in metallic matrices (AMM). Taking the AlX3 crystal family (X = F, Cl, OH) as a suitable test-bed class of compounds, we illustrate how this approach gives a direct interpretation of the crystalline structures and explains the variable coordination that Al exhibits in crystalline materials. An exhaustive analysis of the topology of the electron density allows us to provide a quantum-mechanical assessment of the main hypotheses of the AMM model and to uncover, using microscopic arguments, the behavior of anions as chemical pressure agents.

New separation method for organic and inorganic selenium compounds based on anion exchange chromatography followed by inductively coupled plasma mass spectrometry.

Abstract: We describe a new method for separating the organic and inorganic selenocompounds methaneseleninic acid, selenite, selenate, methylselenocysteine, selenocystine as well as both selenomethionine and its oxidized form. The separation is performed on a Hamilton PRP-X100 column. According to the literature, the oxidized form of selenomethionine-which is easily formed-is eluted close to the dead volume when this column is used. The choice of parahydroxybenzoic acid as mobile phase enabled us to elute all of these species after this oxidized form, resulting in better identification and quantification. The factors determining separation (eluent concentration, pH, gradient) were optimized via an experimental design. Application of the method to yeast and commercial tablets showed that the principal Se compound present was selenomethionine, which was also present in its oxidized form.

Powder composed of inorganic compound-loaded polyamide porous particle

Abstract: Disclosed is a powder of inorganic compound-loaded polymer particles which has high light scattering property while being safe for the human body. Specifically disclosed is a powder composed of inorganic compound-loaded polyamide porous particles wherein many inorganic compound fine particles are supported by the surfaces and pores of polyamide porous particles each of which has pores in the surface. The powder is characterized in that the average primary particle diameter of the polyamide porous particles is 1-30 μm, the average primary particle diameter of the inorganic compound fine particles is 0.01-0.5 μm, and not less than 80% of the number of the inorganic compound fine particles contains no strong acid component.

Nonlinear element, element substrate including the nonlinear element, and display device

Abstract: The purpose of the present invention is to provide a nonlinear element with high productivity, which can be driven at low voltage, an element substrate including the nonlinear element, and a liquid crystal display device including the element substrate. A structure of the nonlinear element of the present invention includes a layer formed using a composite material containing an inorganic compound and an organic compound between a first electrode and a second electrode. Further, as the composite material containing the inorganic compound and the organic compound, a composite material, which exhibits nonlinear behavior in both cases of applying forward bias voltage and reverse bias voltage, is used.

Molecular Minerals™: Lyophillic Colloids for Ceramists

Abstract: This paper will focus on a novel class of inorganic compounds that we term as molecular minerals™ (MMs). MMs are clusters of ceramic fragments encapsulated with organic ligands. These compounds can be crystallized from solution as molecular single crystals and have well-defined crystal structures that can be described with X-ray diffraction methods. Most importantly, the ceramic clusters are perfectly monodisperse, and conventional synthetic techniques can be applied to facilitate control of size and composition. The organic encapsulate imparts solubility in organic solvents and polymers. More importantly, the solubility is thermodynamically driven to form a single-phase system. Thus, unlike nanoparticles, the stability of clusters in solution is spontaneous rather than kinetically derived. A critical tool for creating MMs is a firm understanding of the fundamental issues governing cluster structure and stability. We have demonstrated a unique synthetic approach to these materials, capable of creating materials with oxo, sulfido, selenido, or tellurido ligands, whose ceramic fragment size can currently be varied from about 0.5 to 2 nm. Both homometallic and heterometallic lanthanide (Ln) complexes incorporating the group 12 metals Zn, Cd, and Hg have been prepared. Relative to prior work on metal organic or organometallic Ln complexes, MMs have unprecedented luminescent properties in terms of emission wavelength, emission intensity, and quantum efficiency. These materials match or exceed the luminescent properties of ceramics, glasses, and nanomaterials, while having the additional advantage of polymer solubility. Solubility facilitates the preparation of transparent molecular mineral nanocomposites that can be fabricated as bulk polymers, fibers, and films.

Nano- and mesosized particles comprising an inorganic core, process and applications thereof

Abstract: Method for the preparation of nano- and mesosized particles consisting of a lipid layer comprising at least one amphiphile and a core of an inorganic compound and/or a metal, comprising: (i) dissolving in a common solvent at least one self-aggregating amphiphile with at least one inorganic, organometallic or metallorganic precursor of said inorganic compound or metal; and (ii) either injecting the resulting solution into an aqueous solution or drying the resulting solution and re-hydrating it, so as to form particles in which the precursor is encapsulated by the amphiphile(s) and is converted therein to said inorganic compound and/or metallic solid form.

Structural and morphological changes of monolayers of a block copolymer with dendron and perfluoroalkyl side chains by mixing a perfluorooctadecanoic acid.

Abstract: We fabricated an array of molecular devices with a simple vertical metal-molecule-metal (MMM) junction. The nano via holes are formed in SiNx or SiO 2 layer by RIE to contain the molecules inside. Finally, the top Ti/Au contact has been deposited by e-beam evaporation with cooling stage. By using self-assembly process, the organic molecules dissolved in dry and oxygen-free THF are inserted to the nanopore array device for 24 hours. We used the newly synthesized compound 4-[4-(3,5-Dimethyl-phenylethynyl)-3-nitro-phenylethynyl]-benzenethiol (DN), which is designed for adding two methyl groups at 3,5 position of phenylethynyl group of Tour's compound (4-(2-Nitro-4-phenylethynyl-phenylethyyl)-benzenethiol). The molecular devices produced the diode-like I-V characteristics and were implemented to logic gate with 3 × 3 array devices containing the DN molecule.

A simple and efficient route to prepare inorganic compound/polymer composites in supercritical fluids

Abstract: A simple and efficient route to prepare inorganic compound/polymer composites in CO 2 -based supercritical solution is presented, By this method, using polymeric hollow spheres as a substrate and Eu(NO 3 ) 3 as precursor, Eu 2 O 3 /polymer composites are successfully fabricated via the decomposition of the precursor in a supercritical CO 2 / ethanol mixture at 120°C. The resulting compcuites are characterized by means of transmission electron microscopy, X-ray diffraction, and X-ray photoelectronspecttoscopy. It is indicated that besides being decorated on the outer surface of the polymer spheres, Eu 2 O 3 nanoparticles are imbedded in the shell and further into the hollow cavity of the polymer spheres. The loading content and particle size of Eu 2 O 3 on the polymer spheres can be controlled by changing the concentration of precursor in the solutions. The photoluminescence spectrum of the composites exhibit two peaks at 592 and 615 nm, which indicates that the composites can be used as optical material to emit red light. This method is also extended to the preparation of other inorganic compound/ polymer composites with different functions.

Composite material, light emitting element using the same, light emitting device, and electric apparatus

Abstract: PROBLEM TO BE SOLVED: To provide a composite material excellent in carrier transportation and carrier injection properties and a light emitting element and a light emitting device using the composite material. SOLUTION: The composite material contains an organic compound and an inorganic compound shown in the general formula (1) and so on. In the general formula (1), each of R 1 to R 24 represents any of hydrogen, an alkyl group, an alkoxy group, an aryl group, and an arylalkyl group. COPYRIGHT: (C)2007,JPO&INPIT

Surface treated metallic plate excellent in corrosion resistance and surface characteristic

Abstract: PROBLEM TO BE SOLVED: To provide a surface treated metallic plate which is excellent in corrosion resistance, obviates the occurrence of discoloration and unevenness in spite of long-time preservation under a constant temperature and constant humidity and is excellent in surface characteristics. SOLUTION: The surface treated metallic plate has a surface treatment film obtained from a surface treatment composition on at least one surface. The surface treatment composition contains (a) components of an organic resin, the organic resin and an Si-based inorganic compound, or the organic resin, the Si-based inorganic compound, and a silane coupling agent or the Si-based inorganic compound and the silane coupling agent, and (b) microcapsules included with an anticorrosive ingredient in porous particulates of an average grain size ≤5 μm. The anticorrosive ingredient included in the microcapsules (b) is at least one metal compound selected from the group consisting of a vanadium compound, zirconium compound, titanium compound, molybdenum compound, manganese compound and cobalt compound. COPYRIGHT: (C)2008,JPO&INPIT

Novel fluorine-containing X-branched oligophenylenes: structure–hole blocking property relationships

Abstract: Four fluorine-containing X-branched oligophenylenes, X-OPP(5)-Fn, n = 1,2,3 and X-OPP(5)-CF3, have been synthesized and studied as potential hole-blocking materials. These molecular materials exhibit a low HOMO energy level (ca. 6.5 eV) and a large energy gap (ca. 3.5 eV), indicating that they can be employed as effective hole-blockers in blue-emitting organic EL devices. Four-layer organic EL devices consisting of CuPc as a hole injection layer, α-NPD as a hole-transporting and emitting material, X-OPP(5)-Fn or X-OPP(5)-CF3 as a hole-blocker, and Alq3 as an electron-transporter sandwiched between indium tin oxide (ITO) and LiF/Al electrodes were fabricated, and their performance was examined and compared with the widely used hole-blocker bathocuproine (BCP), the non-fluorine-containing X-branched analogue X-OPP(5)-H and the X-branched analogue with one less phenyl ring, X-OPP(3)-F2. The preliminary results show that these new molecular materials, especially X-OPP(5)-F2, are excellent hole-blockers for blue-emitting organic EL devices.

Method for coating substrates and carrier substrates

Abstract: The present invention relates to a method for coating substrates, comprising the steps of: a) providing a substrate, b) applying a composition to a first side of the substrate, wherein the composition contains an inorganic compound and the inorganic compound contains at least one metal and/or semimetal selected from the group comprising Sc, Y, Ti, Zr, Nb, V, Cr, Mo, W, Mn, Fe, Co, B, Al, In, Tl, Si, Ge, Sn, Zn, Pb, Sb, Bi or mixtures of the same and at least one element selected from the group comprising Te, Se, S, O, Sb, As, P, N, C, Ga or mixtures of the same, c) drying the composition applied in step (b), d) applying at least one coating to the first side of the substrate, to which the composition was applied in step (b), the coating containing a silane of the general formula (Z1)Si(OR)3, where Z1 is R, OR or Gly (Gly = 3-glycidyloxypropyl) and R is an alkyl radical with 1 to 18 carbon atoms and all R may be the same or different, oxide particles, selected from the oxides of Ti, Si, Zr, Al, Y, Sn, Zn, Ce or mixtures of the same, a polymer and an initiator, e) drying the coating applied in step (d), f) applying at least one barrier layer to a second side of the substrate and g) optionally applying at least one layer containing at least one adhesive (adhesive layer) to the barrier layer applied in step (f) and also relates to a coated substrate and a coated carrier substrate obtainable by the aforementioned method.

Composite material, light emitting element using composite material and light emitting device

Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element of low driving voltage which comprises an organic compound and an inorganic compound. SOLUTION: A layer comprising a light emitting material is provided between a pair of electrodes. The layer comprising the light emitting material provides a light emitting element having a layer which comprises a carbazole derivative represented by a general formula (1) and an inorganic compound showing electron accepting characteristics to the carbazole derivative represented by the general formula (1). By this constitution, transfer of electrons is performed between the carbazole derivative and the inorganic compound, and carriers are generated intrinsically to reduce the driving voltage of the light emitting element. COPYRIGHT: (C)2007,JPO&INPIT

Light-emitting element, light-emitting device, and vapor deposition apparatus

Abstract: To provide a light-emitting element and a light-emitting device which can be designed and manufactured with redundancy. A light-emitting element of the invention includes a pair of electrode, and a layer containing a light-emissive substance between the pair of electrodes. The layer containing a light-emissive substance includes a layer containing a composite material, and the layer containing a composite material includes an organic compound and an inorganic compound. The concentration ratio of the organic compound to the inorganic compound changes periodically. The layer containing a composite maternal can be changed in electrical characteristics without changing the composition ratio of the organic compound to the inorganic compound in the layer or changing the kind of compounds used for the layer.

Organic thin-film transistor and method for manufacturing same

Abstract: Disclosed are a durable organic thin-film transistor and a method for manufacturing such an organic thin-film transistor. Specifically disclosed is an organic thin-film transistor comprising a source electrode and a drain electrode arranged apart from each other, an organic semiconductor layer interposed between the source electrode and the drain electrode, and a gate electrode arranged opposite to the organic semiconductor layer between the source electrode and the drain electrode via a gate insulating film. The gate insulating film is composed of an organic compound and inorganic compound particles dispersed in the organic compound, and a planarization film is arranged between the source electrode and the drain electrode, or between the gate electrode and the gate insulating film.

Hydrotalcite-based compound particles, resin stabilizer using the same, halogen-containing resin composition and anion scavenger using the same

Abstract: According to the present invention, there are provided hydrotalcite-based compound particles surface-treated with an organic compound having not less than 3 carbon atoms, have a specific surface area of 5 to 150 m2/g, wherein a conceptual value x corresponding to micropores and ultramicropores, and a conceptual value y corresponding to volumes of macropores and micropores, both calculated from a water vapor adsorption curve thereof when exposed to a temperature of 25° C. and a humidity of 50% for 250 hours, are respectively within specific ranges. The hydrotalcite-based compound particles of the present invention are capable of capturing even a very small amount of halogens contained in various resins, and exhibiting an excellent effect of preventing deterioration of the resins. Further, the hydrotalcite-based compound particles of the present invention are used in the form of particles or a molded product and are capable of exhibiting a function for capturing an anionic organic or inorganic compound from a solution to a maximum extent without being dissolved, by themselves, in the solution.

A catalyst for purifying an exhaust gas and a preparation process of the catalyst

Abstract: A catalyst for purifying an exhaust gas containing carbon monoxide and volatile organic compounds, which has a coat layer of a carrier composed of a porous inorganic compound, wherein the coat layer is a single layer, the porous inorganic compound has a BET specific surface area of 50 m 2 /g or greater, and the coat layer has, within a 50 μm depth from the surface thereof, an active metal having a particle size of 15 nm or less and composed of at least one noble metal.

Intermediate transfer medium, process for producing intermediate transfer medium, and image forming apparatus comprising intermediate transfer medium

Abstract: This invention provides an intermediate transfer medium having higher transferability and higher cleaning properties and durability, an apparatus for producing an intermediate transfer medium which does not require the provision of any large equipment such as vacuum equipment, and an image forming apparatus comprising the intermediate transfer medium. The intermediate transfer medium comprises a base material and, provided on the base material, a first inorganic compound layer containing a carbon atom and a second inorganic compound layer as a surface layer, the second inorganic compound layer not containing any carbon atom or containing a carbon atom in a smaller amount than the carbon atom in the first inorganic compound layer.