692 results about "Perylene" patented technology

An organic light emitting device includes a substrate, an anode and a cathode disposed over the substrate, and a luminescent layer disposed between the anode and the cathode wherein the luminescent layer includes a host and at least one dopant. The host of the luminescent layer is selected to include a solid organic material comprising a mixture of at least two components, one of which contains at least one perylene carbocyclic ring structure or at least one mono-aza-perylene or poly-aza-perylene ring structure and is capable of forming both monomer state and an aggregate state.

Mono- and diimide perylene and naphthalene compounds, N- and core-substituted with electron-withdrawing groups, for use in the fabrication of various device structures.

An organic light emitting device includes a substrate, an anode and a cathode disposed over the substrate, and a luminescent layer disposed between the anode and the cathode wherein the luminescent layer includes a host and at least one dopant. The host of the luminescent layer is selected to include a solid organic material comprising a mixture of at least two components, one of which contains at least one perylene carbocyclic ring structure or at least one mono-aza-perylene or poly-aza-perylene ring structure and is capable of forming both monomer state and an aggregate state.

Mono- and diimide perylene and naphthalene compounds, N- and core-substituted with electron-withdrawing groups, for use in the fabrication of various device structures.

Disclosed are new semiconductor materials prepared from perylene-imide copolymers. Such polymers can exhibit high n-type carrier mobility and / or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and / or good stability at ambient conditions.

The present invention describes thin film transistors in which the active channel layer is a thin film of a polycyclic aromatic compound, such as, pentacene, prepared by solution processing a soluble precursor of the polycyclic aromatic compound on a substrate followed by heating to a moderate temperature to convert the precursor back to the polycyclic aromatic compound. The soluble precursors of the polycyclic aromatic compounds are organic solvent-soluble Diels-Alder adducts of polycyclic aromatic compounds, such as, oligothiophene, perylene, benzo[ghi]perylene, coronene and a polyacene with a variety of dienophiles that contain at least one heteroatom. The Diels-Alder adducts can be converted back to pentacene by retro-Diels-Alder reaction at moderate (60-250° C.) temperatures both in bulk, in solution or as thin-films.

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.

Lasers comprising a substrate and a layer of organic material over the substrate. The organic material includes host and dopant materials that result in the laser emission of a desired color when pumped by optical pump energy. Host materials include CBP and tris-(8-hydroxyquinoline) aluminum, which when combined with dopant materials such as coumarin-47, coumarin-30, perylene, rhodamine-6G, DCM, DCM2, and pyrromethane-546 result in the efficient lasing of colors such as blue, green and yellow.

An electrophotographic imaging member with a charge generation section having separate layers of benzimidazole perylene photoconductive pigment and hydroxygallium ptalocyanine photoconductive pigment.

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.

The present invention discloses an organic light emitting device for preventing element defects and improving picture quality by reducing a taper angle of a substrate surface. The flat panel display of the present invention comprises, an insulating substrate, a lower layer formed on the insulating substrate and having a first step and a first taper angle with respect to the substrate surface, and an upper layer formed on the insulating substrate and for reducing the taper angle of the lower layer. The upper layer has a second taper angle smaller than the first taper angle of the lower layer. The upper layer is a conductive layer that may be applied by a wet coating method, has a charge transporting capability, and is selected from at least one of a small-molecule organic layer including a carbazole-based, arylamine-based, hydrazone-based, stilbene-based, oxadiazole-based, starburst-based derivatives, and a polymer organic layer including PEDOT, PANI, carbazole-based, arylamine-based, perylene-based, pyrrole-based, oxadiazole-based derivatives.

Compositions and systems are provided for the high efficiency quenching small water-soluble oligomers, or oligofluors, of from about 1-10 kd in size, where the oligofluors comprise multiple excimeric or exciplex forming fluorophores arranged on a scaffold, which are efficiently quenched by a quencher entity linked to the oligomer through a cleavable moiety. Fluorophores of interest include, without limitation, aromatic fluorophores such as pyrenes, e.g. benzopyrene, perylene, pyrene, etc. In some embodiments the oligofluor / quencher combination provides for a Stern-Vollmer constant (KSV) of greater than about 106 M−1, and may be greater than about 107 M−1, greater than about 108 M−1, or more. In some embodiments of the invention, the scaffold is a phosphodiester / glycoside backbone, e.g. an analog of a polynucleotide. The system of oligofluors and quenchers can be used in qualitative and quantitative screening and detection methods to detect any enzymatic, chemical or catalytic activity that can cleave the moiety between the quencher and scaffold.

The present invention provides methods, compounds, and compositions for the synthesis of light harvesting arrays, such arrays comprising: (a) a first substrate comprising a first electrode; and (b) a layer of light harvesting rods electrically coupled to said first electrode, each of said light harvesting rods comprising a polymer of Formula I:X1Xm+1)m  (I)wherein m is at least 1; X1 is a charge separation group, and X2 through Xm+1 are chromophores. At least one of X2 through Xm+1 has at least one perylene group coupled thereto.

A method of increasing the solubility and / or dispersibility of a perylene dye in a liquid medium. The method comprises binding the perylene dye to a polymer which is soluble in the liquid medium. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Disclosed is an organic electroluminescent device and a method for manufacturing thereof, the device including a light emitting part in which a substrate, a first electrode, an organic light emitting layer and a second electrode, and a nano structure including a first opening part randomly distributed between the substrate and the first electrode, wherein the nano structure includes at least anyone of polyimide, epoxy, polycarbonate, PVC, PVP, polyethylene, polyacryl and perylene, each having a refractive index in the range of 1.3˜1.5, whereby a light extraction can be improved by restricting a reflective light from an interface between the substrate and the first electrode.

The invention relates to a one-dimensional organic semiconductor nanowire with fluorescence and photoconduction dual response for organic amine gas and a preparation method and application of the nanowire. The preparation method comprises the following steps of synthesizing a 3,4,9,10-perylenetetracarboxylic acid anhydride containing amphipathic perylene bisimide derivative to be used as a structure unit; preparing a plurality of 3,4,9,10-perylenetetracarboxylic acid anhydride containing amphipathic perylene bisimide derivatives through a mixed solution of a good solvent and a poor solvent; and carrying out self assembling under the interaction of pi-pi of 3,4,9,10-perylenetetracarboxylic acid anhydride to obtain the one-dimensional organic semiconductor nanowire. When a reticular structural porous membrane formed by knitting the one-dimensional organic semiconductor nanowire is in contact with organic amine steam, the fluorescence is quenched; when the reticular structural porous membrane is in contact with organic fatty amine steam, the photoconduction is enhanced; when the reticular structural porous membrane is in contact with organic aromatic amine steam, the photoconduction is reduced; according to the fluorescence and photoconduction response result, the reticular structural porous membrane formed by knitting the one-dimensional organic semiconductor nanowire can selectively distinguish organic fatty amine and organic aromatic amine.

An organic electroluminescent device including: a cathode, an anode, and an organic thin film layer provided between the cathode and the anode, the organic thin layer including one or plural layers including an emitting layer; at least one layer of the organic thin film layer including an indenoperylene compound having at least one substituent on the central perylene ring, and a compound having a condensed aromatic ring with 10 to 50 nucleus carbon atoms.

The present invention describes organic solvent-soluble Diels-Alder adducts of polycyclic aromatic compounds, such as, oligothiophene, perylene, benzo[ghi]perylene, coronene and polyacenes, with variety of dienophiles containing at least one heteroatom and in some cases two heteroatoms bonded to aromatic moiety, such as, thioxomalonates, azodicarboxylates, thialdehyde, acylnitroso and N-sulfinylamides. The Diels-Alder adducts are prepared by a simple, one step cycloaddition reaction of the polycyclic aromatic compounds, such as, pentacene, or other fused aromatic compounds, with heterodienophiles. The Diels-Alder adducts according to the present invention all form soluble adducts with pentacene and can be converted back to pentacene by retro-Diels-Alder reaction at moderate (60–250° C.) temperatures both in bulk, in solution or as thin-films.

The invention relates to a method for production of an aqueous dispersion of polymer-encapsulated pigments, characterised in that (a) an aqueous pigment dispersion, containing at least one organic pigment (P), selected from the group of azo, isoindolinone, isoindoline, anthanthrone, thioindigo, thiazinindigo, triarylcarbonium, quinophthalone, anthraquinone, dioxazine, phthalocyanine, quinacridone, quinacridonquinone, indanthrone, perylene, perinone, pyranthrone, diketopyrrolopyrrole, isoviolanthrone and azomethine pigments, at least one detergent (T), and water is prepared, (b) a monomer miniemulsion, stabilised by a hydrophobic organic compound with a water solubility at 20 DEG C of at most 5x10<-5> g / l, is prepared from a polymerisable monomer (M) and at least one detergent (T) in water, (c) a monomer pigment emulsion is prepared, whereby the aqueous dispersion from (a) and the monomer miniemulsion from (b) are mixed and homogenised and (d) the pigment-containing monomer from (c) is polymerised in the presence of a polymerisation initiator and / or by heat, whereupon an encapsulation of the pigment with the polymer thus formed occurs.

The invention relates to one-dimensional organic semiconductor spiral nano-wires with ultra-sensitive fluorescence response upon organic amine gases, and a preparation method and an application thereof. According to the invention, perylene imide derivatives comprising perylene and with asymmetric amphiphilic substituents on two ends are adopted as construction units; in a mixed liquid of a good solvent and a poor solvent, through pi-pi interactions between perylenes of a plurality of perylene imide derivatives comprising perylene and with asymmetric amphiphilic substituents on two ends, the one-dimensional organic semiconductor spiral nano-wires are obtained through self-assembly. The one-dimensional organic semiconductor spiral nano-wires have two significant advantages of a nano-grade spiral structure and good fluorescence quantum yield (up to 25%), such that the nano-wires are suitable to be used in fluorescence detection of organic amine in air. When a network-structured porous membrane woven by using the one-dimensional organic semiconductor spiral nano-wires contacts trace amine vapour (with a concentration of ppb-ppm level), the fluorescence is quenched.

The PAHs extraction purification determination method in the soil relates to 18 trace PAHs analysis and determination method in the soil. Using automatic Soxhlet extraction instrument to extract PAHs organic in the soil samples, and then using silica gel column chromatography to purify the extracted liquid, remove the polar and non-polar interference during extraction, and finally, using HPLC (with diode array detector) to analyze qualitatively and quantitatively 18 PAHs. In this invention, the extraction solvent consumption is small, and it can be used for large volume sample extraction, with quick sample analysis speed, low-cost sample pretreatment, and for the 5 group 13 isomers in 18 PAHs, it can not only accurately qualitatively but also accurately quantitatively determine, with low detection limit, high sensitivity, and with the exception of fluorine and perylene, the detection limit of the other 16 PAHs all below 10ng / g-dw. It is a rapid, sensitive and accurate analytical method for the trace PAHs, applied to farmland, wasteland, urban green belt and other soil.

The invention discloses a preparation method for perylene bisimide polyurethane liquid crystal non-covalent modified graphene. The preparation method comprises the following steps: adding perylene and zinc acetate into N-methyl pyrrolidone, stirring and heating to 150-160 DEG C, adding diglycolamine, reacting for 12 hours, pouring into absolute ethyl alcohol for precipitating and discharging, filtering, and drying in vacuum to obtain hydroxyl-terminated perylene bisimide; taking and dissolving the hydroxyl-terminated perylene bisimide into N, N-dimethyl formamide, adding hexamethylene diisocyanate and a catalyst, heating to 60-65 DEG C and reacting for 6 hours under protection of N2, adding polyethylene glycol, heating to 90-95 DEG C and reacting for 8 hours, pouring reaction liquid into distilled water for precipitating and discharging, filtering, and drying in vacuum to obtain perylene bisimide polyurethane liquid crystals; and taking and dissolving the perylene bisimide polyurethane liquid crystals into chloroform, adding graphene, ultrasonically treating for 2-3 hours, carrying out suction filtration, washing by chloroform, and drying in vacuum to obtain the perylene bisimide polyurethane liquid crystal non-covalent modified graphene. The method disclosed by the invention has the advantages of being wide in material source, simple in process, low in price, small in pollution and the like.

The invention provides 1, 1', 12, 12'-tetra-alkoxy-substituted perylene diimide dimer having a novel structure. The dimer is an electron acceptor-type organic micromolecule of which the solution can be processed. The invention also provides a novel method for synthesis of the tetra-alkoxy-substituted perylene diimide dimer. The perylene diimide dimer as a receptor and a P3HT electron donor-type polymer are combined so that an organic solar cell is obtained. Through the perylene diimide dimer, high photoelectric conversion efficiency is obtained and a novel direction for photovoltaic field research is provided.

The invention provides a device comprising an improved n-channel semiconducting film. This film consists of a perylene tetracaboxylic acid diimide compound and was deposited onto substrates by vacuum sublimation. Thin film transistor devices comprising such films as the semiconducting channel exhibit a field effect electron mobility greater than 0.01 cm2 / Vs and an on / off ratio of 10000 and higher.

A photoconductive imaging member containing a photogenerating layer comprised of a mixture of perylenes, wherein the mixture comprises, for example, (1) 1,3-bis(n-pentylimidoperyleneimido) propane (Formula A), 1,3-bis(2-methylbutylimido peryleneimido)propane (Formula B) and 1-(n-pentylimidoperyleneimido)-3-(2-methylbutyl imidoperyleneimido)-propane (Formula C), and (2) an electron acceptor component polymer

The invention discloses a bamboo parasitic fungus strain producing perylenequinone compound, and belongs to the biological engineering technical field. The strain of the invention is assorted and named as Shiraia sp. SUPER-H168 is stored in China Center for Type Culture Collection, and the accession number is CCTCC M 207104. The strain adopts the steps that the bamboo parasitic fruiting body grown on short bamboo on Mashan, Wuxi city, Jiangsu province is screened and separated, thereby the bamboo parasitic fungus strain havng steady property and producing the perylenequinone compound is obtained, and the perylenequinone compound can be produced through solid state fermentation or liquid state fermentation.

The invention discloses modified polysaccharide with a fluorescent property as well as a preparation method and an application thereof. Fluorescence groups containing perylene structures are introduced in the acylation process through hydroxyl groups periodically distributed on a macromolecular chain of polysaccharide (starch, glucan, chitosan, chitin, alginic acid, cellulose and cellulose derivatives, so that the function of isolation of the fluorescence groups is achieved, an ACQ (aggregation-caused quenching) phenomenon of perylene type fluorescent molecules is eliminated, and accordingly, low-cost, efficient and practical modified polysaccharide with the fluorescent property is obtained. A fluorescent material prepared from the modified polysaccharide maintains the fluorescence characteristic of perylene light functional groups, has excellent properties of polysaccharide macromolecular materials, can be easily processed and formed, can be manufactured in various forms such as films, fiber, coatings, microspheres, micelle and the like, and has important practical value in fields of films, fiber, coating, ink, dye and the like.

The invention discloses a benzothiazole-aniline compound used as a pH fluorescent probe and a preparation method thereof. The structural formula is shown as a chemical formula (shown in the description) (I), wherein in the formula, R1 is vinyl, acetenyl, styryl, phenylethynyl, biphenyl or perylene base; and R2 and R3 are both hydrogen, methyl or ethyl alkane. The preparation method comprises the following steps of: taking p-bromobenzaldehyde and 2-aminothiophenol as raw materials, and connecting with iodine-containing nitrobenzene derivative through dehydration cyclization reaction and coupling reaction; and generating the pH fluorescent probe benzothiazole-aniline derivative through reductive amination. Rigid structures, such as benzothiazole and phenylethynyl, are introduced into the fluorescent probe; the fluorescent probe is high in fluorescence quantum efficiency, and high in thermal stability and solubility. The probe can detect pH value under strong acid condition by adopting a photoinduced charge transfer mechanism and a conjugate passivation mechanism; and the probe has the characteristics of rapid response, high sensitivity and high selectivity, and has wide application prospect in environment monitoring, ecological protection, disease diagnosis, industrial production and sewage inspection.