44 results about "Cyanomethylidyne" patented technology

A member including for example, a supporting layer and a single photogenerating layer, the photogenerating layer comprising particles including hydroxygallium phthalocyanine phthalocyanine Type V, x polymorph metal free phthalocyanine, or chlorogallium phthalocyanine dispersed in a matrix comprising an arylamine hole transporter and an electron transporter selected from the group consisting of N,N'bis(1,2-dimethylpropyl)-1,4,5,8-naphthalenetetracarboxylic diimide, 1,1'-dioxo-2-(4-methylphenyl)-6-phenyl-4-(dicyanomethylidene)thiopyran, and a quinone selected from the group consisting of carboxybenzylhaphthaquinone, and tetra (t-butyl) diphenoquinone, and mixtures thereof, and a film forming binder.

Disclosed are pyran derivatives, which have distinctive sensitivity to visible light and distinctive luminous ability. The derivatives are useful in photopolymerization, electroluminescence, and dye lasers, and are obtainable through a step of reacting a compound having a 4-cyanomethylene-2-methyl-4H-pyran skeleton with a compound having a 3-formylcoumarin skeleton.

The invention belongs to the technical field of analysis and detection, and provides a lysosome-targeted Cys near-infrared fluorescent probe and a preparation method and application thereof. The near-infrared fluorescent probe is 3-(2-(3-(dicyanomethylene)-5,5-dimethylcyclohexen-1-yl)vinyl)-4-morpholinyl coumarin-7-acrylate which is abbreviated as DCICA. The prepared lysosome-targeted Cys near-infrared fluorescent probe has the characteristics of novel structure, lysosome targeting performance and near-infrared fluorescence emission (wherein an emission wavelength is 680 nm), can realize high-selectivity high-sensitivity detection of a Cys content of a solution, conducts specific detection of Cys in cell lysosome by using a laser confocal imaging technology, is of important guiding significance to research on the molecular mechanism of participation of the Cys in the life activity of the lysosome, and has a wide application prospect.

The present invention relates to a process for preparation of an electrically doped semiconducting material comprising a [3]-radialene p-dopant or for preparation of an electronic device containing a layer comprising a [3]-radialene p-dopant, the process comprising the steps: (i) loading an evaporation source with the [3]-radialene p-dopant; and (ii) evaporating the [3]-radialene p-dopant at an elevated temperature and at a reduced pressure, wherein the [3]-radialene p-dopant is selected from compounds having a structure according to formula (I) wherein A¹ and A² are independently aryl- or heteroaryl-substituted cyanomethylidene groups, the aryl and/or heteroaryl is selected independently in A¹ and A² from 4-cyano-2,3,5,6-tetrafluorphenyl,2,3,5,6-tetrafluorpyridine-4-yl, 4-trifluormethyl-2,3,5,6-tetrafluorphenyl, 2,4-bis(trifluormethyl)-3,5,6-trifluorphenyl, 2,5-bis(trifluormethyl)-3,4,6-trifluorphenyl, 2,4,6-tris(trifluormethyl)-1,3-diazine-5-yl, 3,4-dicyano-2,5,6-trifluorphenyl, 2-cyano-3,5,6-trifluorpyridine-4-yl, 2-trifluormethyl-3,5,6-trifluorpyridine-4-yl, 2,5,6-trifluor-1,3-diazine-4-yl and 3-trifluormethyl-4-cyano-2,5,6-trifluophenyl), and at least one aryl or heteroaryl is 2,3,5,6-tetrafluorpirydine-4-yl, 2,4-bis(trifluormethyl)-3,5,6-trifluorphenyl, 2,5-bis(trifluormethyl)-3,4,6-trifluorphenyl, 2,4,6-tris(trifluormethyl)-1,3-diazine-5-yl, 3,4-dicyano-2,5,6-trifluorphenyl, 2-cyano-3,5,6-trifluorpyridine-4-yl, 2-trifluormethyl-3,5,6-trifluorphenyl, provided that the heteroaryl in both A¹ and A² cannot be 2,3,5,6-tetrafluorpyridine-4-yl at the same time, respective [3]-radialene compounds, and semiconducting materials and layer, and electronic devices comprising said compounds.

The invention discloses a 3,3'-dihydrofuran spiro-oxoindole derivative and a preparation method thereof. Cyano methylene oxoindole, water and diazonium are used as raw materials, a transition metal salt is used as a catalyst, dichloromethane and water are used as a mixed solvent, and the compound represented by the formula (I) is prepared by a one-step reaction. The invention also provides an application of the 3,3'-dihydrofuran spiro-oxoindole derivative in preparation of tumor suppressing drugs, and the 3,3'-dihydrofuran spiro-oxoindole derivative can be used as a potential bioactive skeleton. The high atom economic reaction is applied, the target product is prepared with high yield, and the method has the advantages of short synthetic route, green and environmental protection, simple operation and the like.

The invention discloses an organic photovoltaic material, a preparation method and application thereof. The material takes 3-(dicyanomethylene)-2, 3-dihydrobenzothiophene-1, 1-Dioxide (DTM) as an endgroup and one or more donor units as a bridging framework, and has a structural general formula shown in a formula I, wherein D and D1 are conjugated structural system bridging units. The organic photovoltaic material of the invention has the characteristics of simple preparation, easy control of reaction process, easy separation and purification, easy adjustment of energy level and spectrum and the like. The material also has good thermal stability, film forming stability and high electron and hole mobility, and a photovoltaic device prepared by the material has high photoelectric conversionefficiency and has potential application value in the technical field of photovoltaic.

A Y-type two-order non-linear optical chromogen containing triphenylamine group and its preparing process are disclosed. It can be used as two-order non-linear optical material used in remote communication, data storage, phase conjugation, etc.

The invention discloses a non-fullerene electron acceptor material and a preparation method and application thereof. The star-shaped non-fullerene electron acceptor material is obtained by taking an electron donating structure as a central core unit and a five-membered fused ring as an arm unit, and blocking a terminal group by using electron withdrawing groups such as 3-(dicyanomethylene) indanone and derivatives thereof. The material not only maintains the advantages of a linear non-fullerene electron acceptor material, but also has high electron mobility and isotropic charge transfer characteristics of a fullerene electron acceptor material, and the multidimensional geometric structure of the material is beneficial to intramolecular charge transfer, so that the energy gap is reduced and the absorption range is expanded, and the star-shaped multi-dimensional structure can effectively inhibit excessive aggregation and is beneficial to exciton dissociation. The material can be used as an electron acceptor material of an active layer to be widely applied to preparation of organic solar cells, and excellent material film stability and excellent photoelectric conversion characteristics can be obtained.

The invention discloses an n-type organic small molecule semiconductor based on indenothiophene as a core as well as a preparation method and an application of the n-type organic small molecule semiconductor, and particularly provides the n-type organic small molecule semiconductor based on indenothiophene as the core, thiophene as a bridge and 1,3-indanedione, malononitrile or 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile as an end group, the preparation method of the n-type organic small molecule semiconductor and the application of molecules as a receptor material in organic non-fullerene solar cells. The n-type organic small molecule semiconductor based on indenothiophene as the core has the advantages of capacity of processing in a solution form, wide absorptionspectrum, high absorption coefficient, excellent thermal stability and appropriate energy level, and is an ideal non-fullerene receptor material for organic solar cells.

The invention provides a colorimetric-fluorescent fiber membrane for detecting hypochlorite ions, and a preparation method thereof. The preparation method of the fluorescent fiber membrane comprises the following steps: carrying out free radical polymerization on a double bond-containing colorimetric-fluorescent probe molecule ((E)-((4-(2-(4-cyano-5-(dicyanomethylene)-2,2-dimethyl-2,5-dihydrofuran-3-yl)vinyl)phenyl)azanediyl)bis(ethane-2,1-diyl)diacrylate) and hydroxyethyl methacrylate to obtain modified poly(hydroxyethyl methacrylate), and grinding the modified poly(hydroxyethyl methacrylate)and polystyrene to obtain the colorimetric-fluorescent fiber membrane. The colorimetric-fluorescent fiber membrane for detecting hypochlorite ions has a fluorescence emission peak at 632 nm and an ultraviolet absorption peak at 544 nm, has obvious fluorescence quenching and fading response and a high response speed when used to detect the hypochlorite ions, and achieves onsite, rapid, convenientand visual detection of hypochlorite ions in a water sample in the environment and a non-standard explosive raw material.

The invention discloses an A-D-A type photovoltaic small molecule receptor taking indeno[1,2-b]fluorine as a core. Indeno[1,2-b]fluorine is taken as a central receptor unit, fluoro-substituted 3-(dicyano methylene)indigo ketone as a blocking receptor unit, and mono selenophen or vinyl selenophen as a phi bridge solution treated small molecule receptor material, wherein the A-D-A type photovoltaicsmall molecule receptor taking mono selenophen or vinyl selenophen as phi bridges are called as FICBF-Se and FICBF-SeVi respectively. The invention also provides a preparation method of the A-D-A typephotovoltaic small molecule receptor taking indeno[1,2-b]fluorine as the core. The A-D-A type photovoltaic small molecule receptor taking indeno[1,2-b]fluorine as the core, provided by the invention,applied to solar devices has excellent optical, electrochemical and photovoltaic performances.

The invention discloses a lipid droplet targeting fluorescent dye as well as a preparation method and an application thereof, and the preparation method comprises the following steps: carrying out a simple reaction on 1,3-bis (dicyanomethylene)indan and 4-[bis(4-methylphenyl)amino]benzaldehyde, and carrying out recrystallization purification to obtain pure 2, 2'-(2-(4-(di-p-methylphenyl amino) benzylidene)-1H-indene-1, 3(2H)-dialkylene) dimethyl nitrile in the formula (I). The preparation method is simple, the fluorescent dye can be obtained in one step, almost no by-product exists, the efficiency is high, the cost is low, and the fluorescent dye has the potential of large-scale preparation, and the prepared lipid droplet targeted fluorescent dye can be used for monitoring the dynamic change of lipid droplets in cells and can be used for distinguishing immune cells from tumor cells.

The invention provides organic micromolecular donor materials adopting 2,1,3-benzoselenadiazole and 3-(dicyanomethylidene)indan-1-one as electron acceptor units and triphenylamine as an electron donorunit, a preparation method thereof, and an application of the organic micromolecular donor materials in organic solar cell devices. The organic micromolecular donor materials are characterized in that the 2,1,3-benzoselenadiazole and 3-(dicyanomethylidene)indan-1-one which are used as the electron acceptor units and the triphenylamine which is used as the electron donor unit form an A-D-A-D-A structure. Compared with a D-A-D structure, the A-D-A-D-A structure can effectively enhance the intramolecular charge transfer and broaden the absorption band of the materials in order to easily improvethe device performances of solar cells. The organic micromolecular donor materials of the present invention are blended with an acceptor material fullerene PC71BM to form an active layer in order to obtain the organic solar cell devices.

The invention discloses a narrow-band gap non-condensed ring small molecule receptor which is characterized in that bithiophene or thieno-selenophen is used as a pi bridge, bithiophene with a benzene ring side chain is used as a core, and difluoro-substituted 3-(dicyanomethylene) indanone (FINCN) is used as a terminal receptor unit, namely 2T2TT-F and 2T2TSe respectively. The structural formula is as the following. The invention also discloses a preparation method and application of the narrow-band gap non-condensed ring small molecule receptor. And when the material is applied to organic solar cell devices, the material has good optical and electrochemical properties and photovoltaic performance.

The invention discloses an A-pi-D-pi-A type organic small molecule based on diindenopyrazine as well as a preparation method and application of the A-pi-D-pi-A type organic small molecule. In the A-pi-D-pi-A type organic small molecule, an IPY unit for electron donating is used as a central core D, thiophene is used as a pi conjugate bridge, and 3-(dicyanomethylene) indene-1-one or 5, 6-dichloro-3-(dicyanomethylene) indene-1-one or 5, 6-difluoro-3-(dicyanomethylene) indene-1-one is used as an electron withdrawing terminal A. The preparation method comprises the step of carrying out Knoevenagelcondensation reaction on intermediate M1 and A under the action of a solvent and a catalyst. By changing the different electron withdrawing terminal A, regulation and control of the A-pi-D-pi-A typeorganic small molecule on photoelectric properties such as a small molecular structure, an absorption spectrum, a band gap and a proline molecular orbital energy level can be realized, a small molecular photoelectric functional material with excellent photoelectric properties is prepared, and the small molecular photoelectric functional material can be applied to preparation of organic solar cells.