43 results about "Tetracene" patented technology

One aspect of the present invention is a light emitting element having a layer including an aromatic hydrocarbon and a metal oxide between a pair of electrodes. The kind of aromatic hydrocarbon is not particularly limited; however, an aromatic hydrocarbon having hole mobility of 1×10⁻⁶ cm²/Vs or more is preferable. As such aromatic hydrocarbon, for example, 2-tert-butyl-9,10-di(2-naphthyl)anthracene, anthracene, 9,10-diphenylanthracene, tetracene, rubrene, perylene, 2,5,8,11-tetra(tert-butyl)perylene, and the like are given. As the metal oxide, a metal which shows an electron-accepting property to the aromatic hydrocarbon is preferable. As such metal oxide, for example, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are given.

An organic transistor is capable of emitting light at high luminescence efficiency, operating at high speed, handling large electric power, and can be manufactured at low cost. The organic transistor includes an organic semiconductor layer between a source electrode and a drain electrode, and gate electrodes shaped like a comb or a mesh, which are provided at intervals approximately in the central part of the organic semiconductor layer approximately parallel to the source electrode and the drain electrode. The organic semiconductor layer consists of an electric field luminescent organic semiconductor material such as compounds of naphthalene, anthracene, tetracene, pentacene, hexacene, a phthalocyanine system compound, an azo system compound, a perylene system compound, a triphenylmethane compound, a stilbene compound, poly N-vinyl carbazole, and poly vinyl pyrene.

Embodiments of the present subject matter provide an improved percussion primer composition and improved hot-wire igniter acceptor, wherein lead styphnate is replaced with a lead-free material, 4,6-dinitro-7-hydroxybenzofuroxan, potassium salt (KDNP). Embodiments of the percussion primer composition include KDNP, a sensitizer, an oxidizer, calcium silicide, a fuel, and a binder. Sensitizers may include tetracene. Oxidizers may include alkali or alkaline earth nitrates, oxides, or peroxides (such as barium nitrate). Fuel materials may include metals, metal sulfides, or other non-metallic materials. Common binders may include nitrocellulose based shellacs, gum arabic/poly vinyl alcohol mixtures, and guar gum/poly vinyl alcohol mixtures. Embodiments of the hot-wire igniter device include a bridgewire, an acceptor, and an output, where KDNP is the acceptor. Power supply may be in the form of constant current/voltage or current flow from a capacitor discharge. Certain embodiments utilize a variety of output formulations, such as BKNO₃, black powder, and Red Dot double base propellant.

An organic light emitting display (OLED) device includes: an insulating substrate; a first electrode on the insulating substrate; a second electrode on the first electrode; a light-emitting layer between the first electrode and the second electrode; a hole common layer between the first electrode and the light-emitting layer; an electron common layer between the second electrode and the light-emitting layer; and a scattering layer on the insulating substrate and having a non-planar surface, wherein the scattering layer includes at least one of benzene, naphthalene, anthracene, tetracene, pentacene, amine, benzidine, biphenyl, carbazole, pyridine, bipyridine, imidazole, phenanthroline, phenylborane, pyrimidine, or triazine, and the base material of the scattering layer includes a substituent including at least one of a benzoyl group, a carboxyl group, an aminophenoxyl group, a tricabonate group, or a styryl group.

The invention discloses a tetracene derivative field effect transistor material and a preparation method thereof. The tetracene derivative field effect transistor material has a general structural formula I, wherein Ar represents aryl, substituted aryl, heterocyclic aryl or substituted heterocyclic aryl and R represents one of alkyl, alkoxy, alkyl sulphanyl and the like. The tetracene derivative field effect transistor material can be synthesized by a Sonogashira coupling reaction and a Bergman cyclization reaction. The tetracene derivative field effect transistor material has high stability and high dissolvability and can improve a mobility ratio of OFETs devices.

The present invention is one kind of 2-substituted rubrene compound as shown and its synthesis process. The synthesis process includes the first synthesis of 2-formoxyl rubrene, and the subsequent oxidation, reduction and condensation with 2-formoxyl rubrene to obtain other 2-substituted rubrene compound. The synthesis process of 2-formoxyl rubrene under protection of inert gas includes the first reaction of 2-formoxyl -6, 11-diphenyl-5, 12-tetracene quinine material with glycol and catalyst at 120-160 deg.c; the subsequent reflux reaction with phenyl magnesium bromide and anhydrous tetrafuran; and final reflux reaction with iron powder and glacial acetic acid under heliophobic condition to obtain 2-formoxyl rubrene. The 2-substituted rubrene compound of the present invention as new type of red fluorescent material has high fluorescence quantum efficiency and may be used as the luminous material in electroluminescent device.

A blue color photoelectric conversion film includes: a p-type layer formed by depositing tetracene; a p,n-type layer formed by co-depositing tetracene and naphthalene-tetracarboxylic-dianhydride (“NTCDA”) on the p-type layer; and an n-type layer formed by depositing NTCDA on the p,n-type layer.

The invention discloses method of preparing rubrene micro-nanowire of organic semiconductor materials, and the method is characterized by using rubrene as a raw material for vapor deposition, using naphthacene single crystal growing through clean slices of silicon or physics gas-phase transmission method as the substrate, adopting a vacuum vapor deposition method, and under a condition of controlling the deposition rate and the deposition time, forming rubrene micro-nanowire with a standard size through deposition on the substrate of the semiconductor.According to the invention, because of adopting a vacuum vapor deposition method capable of controlling the deposition rate and deposition time accurately, the size of the rubrene micro-nanowire can be controlled accurately and simultaneously the preparation technique can also be simplified.

A light-emitting element according to the invention includes an anode, a cathode, a light-emitting layer which is provided between the anode and the cathode, contains a light-emitting material and a first tetracene-based compound having a tetracene skeleton functioning as a host material that holds the light-emitting material, and emits light in a wavelength region of 600 nm or more by applying a current between the anode and the cathode, and an electron transport layer which is provided between the light-emitting layer and the cathode, and includes a first electron transport layer located on the cathode side and a second electron transport layer located on the light-emitting layer side and containing a second tetracene-based compound having a tetracene skeleton.

The subject of the invention is a hybrid photocatalyst which is a layered aluminosilicate, possibly organically modified, containing compounds introduced into the aluminosilicate galleries bearing groups such as porphyrin, rose bengal, anthracene, pyrene, perylene, tetracene, rubrene, naphthalene, phthalocyanines, coumarins, and methylene blue, which are organic chromophores able to absorb visible and/or ultraviolet light and sensitize photochemical reactions. The invention includes also the methods of synthesis and application of the photocatalysts for the photocatalytical degradation of water pollutants.

A lithium ion secondary battery includes a binder that binds an active material to a current collector in the positive electrode or negative electrodes or both. The binder contains a base material including a resin having a benzene ring, and a polyacene additive selected from the group consisting of naphthalene, anthracene, tetracene, and derivatives thereof. The active material is a carbonaceous material or a lithium-containing composite oxide having a crystal structure in which a distance between nearest oxygen atoms is 0.19 to 0.29 nm. Adhesion of the binder to the active material during the manufacturing of the lithium ion secondary battery is led to a closest-packed crystal plane in the crystal structure of the active material, so that inhibition of moving of lithium ions in and out of the active material due to the binder may be reduced.

Provided are a light emitting element with a high efficiency and a long life that emits light in a near-infrared region, and a light emitting device, authentication device and electronic device that include the light emitting element. A light emitting element (1) according to one aspect of the invention includes an anode (3), a cathode (8), and a light emitting layer (5) that is provided between the anode (3) and the cathode (8) and that emits light by conducting current between the anode (3) and the cathode (8). The light emitting layer (5) includes a pyrromethene-based boron complex as a light emitting material and a tetracene-based material as a host material for retaining the light emitting material.

The invention provides a 2, 8-disubstituted tetracene derivative as shown in a formula (I), a preparation method and application thereof. The compound can be used for preparing organic semiconductor devices, especially organic field effect transistors OFETs. Monocrystals and thin film devices prepared from the dibromotetracene derivative are relatively high in mobility, threshold voltage and switching ratio. In addition, the preparation method of the compound is simple and has a wide application prospect. The invention also provides a preparation method of the 2, 8-dibromotetracene. According to the preparation method, the yield of 2, 8-dibromotetracene can be greatly improved, the post-treatment steps of an intermediate are reduced, the synthesis efficiency is improved, the preparation time is shortened, the cost is relatively low, the total yield of a synthesis route reaches about 50 percent, and the preparation method is very suitable for volume preparation in a laboratory. According to the method, sufficient raw materials are provided for preparing electronic devices containing the dibromotetracene derivative.