572 results about "Fullerene derivatives" patented technology

The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a library of fullerene derivatives and comprises the steps of forming a mixture of fullerene derivatives by reacting the Cn fullerene with two or more reactive precursor compounds, and removing the unreacted compounds to yield the fullerene derivatives having the desired activity. Methods for the identification and screening of a combinatorial library of fullerenes by 3He-nuclear magnetic resonance and electrospray mass spectrometry to define members with the optimal desired activity are also provided.

A photovoltaic (PV) structure is provided, along with a method for forming a PV structure with a conductive nanowire array electrode. The method comprises: forming a bottom electrode with conductive nanowires; forming a first semiconductor layer of a first dopant type (i.e., n-type) overlying the nanowires; forming a second semiconductor layer of a second dopant type, opposite of the first dopant type (i.e., p-type), overlying the first semiconductor layer; and, forming a top electrode overlying the second semiconductor layer. The first and second semiconductor layers can be a material such as a conductive polymer, a conjugated polymer with a fullerene derivative, and inorganic materials such as CdSe, CdS, Titania, or ZnO. The conductive nanowires can be a material such as IrO₂, In₂O₃, SnO₂, or indium tin oxide (ITO).

A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative.

In the formula, Z₁ represents an atomic group necessary for forming a 5- or 6-membered ring, L₁, L₂ and L₃ each independently represents an unsubstituted methine group or a substituted methine group, D₁ represents an atomic group, and n represents an integer of 0 or more.

A non-aqueous air battery of the present invention includes a negative electrode for which a material which absorbs and releases lithium ions is used as a negative electrode active material, a positive electrode for which oxygen is used as a positive electrode active material, and a non-aqueous electrolyte disposed between the negative electrode and the positive electrode. The positive electrode contains a donor-acceptor molecule in which an electron-donating donor (D) having a porphyrin ring is connected to an electron-accepting acceptor (A) composed of a fullerene derivative, with a conductive spacer therebetween. An example of the donor-acceptor molecule is triphenylporphyrinyl bithienyl N-methylpyrrolidino[60]fullerene.

A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer containing a compound having a partial structure represented by the following formula (I) and a fullerene or a fullerene derivative; and a transparent electrically conductive thin layer.

X represents O, S or N—R₁₀, R₁₀ represents a hydrogen atom or a substituent, R^x and R^y represent a hydrogen atom or a substituent, with at least one representing an electron-withdrawing group, R^x and R^y may combine to form a ring, R represents a bond (—), a hydrogen atom or a substituent, with at least one being the bond, nr represents an integer of 1 to 4, R's may be the same or different when nr is 2 or more, and R's at the 2- and 3-positions or R's at the 5- and 6-positions may combine with each other to form a ring.

The invention belongs to the field of a solar cell, and discloses a perovskite solar cell. The perovskite solar cell sequentially comprises a transparent conductive substrate, an electron transmission layer, an interface modification layer, a modified perovskite active layer, a hole transmission layer and a positive electrode, wherein the electron transmission layer is a nanometer TiO2 particle layer, and the interface modification layer is a fullerene derivative layer. A sol-gel method is employed, high-crystallization TiO2 nanoparticles are synthesized by taking titanium tetrachloride is used as a precursor, the TiO2 nanoparticles are applied to the perovskite solar cell by employing a low-temperature annealing process, a fullerene derivative is directly spin-coated on a surface of the obtained nanometer TiO2 particle layer for modification, the defects in TiO2 and perovskite are passivated, a novel perovskite synthesis path is employed, the obtained perovskite solar cell has high efficiency and does not have hysteresis effect under a low-temperature preparation process, and the device can be used for stable transmission; and moreover, the related preparation method is simple, is low in energy consumption and is suitable for promotion and application.

A photoelectric conversion device is provided and includes: a first electrode, a second electrode, and a photoelectric conversion layer between the first and second electrodes, the photoelectric conversion layer containing a mixture of an organic photoelectric conversion dye, a fullerene or a fullerene derivative, and a fullerene polymer; various embodiments of the device, a photosensor, an imaging device, and production methods for these devices.

Fullerene derivatives are widely applied to solar cells, cosmetics, biological medicine and other aspects; metallic oxides are applied to catalysis, semiconductor devices, energy storage and other aspects due to the advantages of good stability, easiness for preparation, controllable morphology and the like. The invention provides a preparation method for preparing a composite material by mixing a hydrophilic fullerene derivative with titanium dioxide, zinc oxide, aluminium oxide and other inorganic oxides. A flexible ether oxygen chain contained in the fullerene derivative disclosed by the invention is used for providing a hydrophilic group and improving the compatibility of the hydrophilic group and the oxide; in addition, polyvinyl alcohol and polyvinylpyrrolidone polymer are introduced as a thickening agent and a film forming agent. The composite materials can be prepared into nano-powder body, films or porous materials, have the advantages of high stability and strength, controllable morphology, easiness for processing and the like and can be used as plates, films, coatings, filling particles and the like for clearing free radicals in smog or atmosphere, resisting bacteria and being taken as battery active layers and the like.

The present invention relates to fullerene derivatives and an organic electronic device using the same, and more specifically, to a novel fullerene derivative incorporating an aromatic fused ring compound and to an organic electronic device with excellent electrical properties by employing the fullerene derivative. In more detail, the novel fullerene derivative incorporating an aromatic fused ring compound according to the present invention exhibits excellent solubility in organic solvents and has a high electrochemical electron mobility and a high LUMO energy level, thereby making the fullerene derivative a suitable material for organic solar cells featuring a high open circuit voltage (Voc) and an improved energy conversion efficiency, or applicable for use in organic electronic devices such as organic thin film transistors.

The invention belongs to the field of cosmetics, and specifically relates to a cosmetic containing a fullerene derivative. The composition contains fullerene, polypeptide, hyaluronic acid, vitamin and collagen. The fullerene added to the cosmetic composition can strengthen oxidation resistance and clear free radicals at the same time, so that the cosmetic can resist senescence and recover skin vitality after being used. By using the several components together, water can be effectively supplemented, the skin can be moistened for a long time, and a whitening effect is achieved at the same time.

The invention provides a composition for a resist underlayer film, the composition for a resist underlayer film to form a resist underlayer film of a multilayer resist film used in lithography, wherein the composition comprises at least (A) a fullerene derivative that is a reaction product of a substance having a fullerene skeleton with a 1,3-diene compound derivative having an electron-withdrawing group and (B) an organic solvent. There can be a composition for a resist underlayer film for a multilayer resist film used in lithography, the composition giving a resist underlayer film having excellent high dry etching resistance, capable of suppressing wiggling during substrate etching with high effectiveness, and capable of avoiding a poisoning problem in upperlayer patterning that uses a chemical amplification resist; a process for forming a resist underlayer film; a patterning process; and a fullerene derivative.

The invention provides a water-soluble fullerene derivative, composite and the applications in the preparation process of medicament used for inhibiting growth and transfer of tumor; the derivative is fullerols presented by a general formula: C60OxHy; wherein, y is more than 10 and less than or equal to x; x is less than 50 and more than or equal to y; alternatively, the derivative is fullerene carboxyl derivative presented by the general formula C60(C(COOH)2)n; wherein, n is equal to 1-3; the tumor inhibiting composite comprises the grains of the water-soluble fullerene derivative and pharmaceutically acceptable carrier. The invention has the advantages that: compared with cyclophosphamide, cisplatin, paclitaxel, and the like, which are generally applied to clinic at present; the fullerols and carboxylic fullerene nano grains have small dosage, low toxicity and can inhibite the growth and transfer of the tumor.

The invention provides a tandem polymer solar cell with a parallel structure. In the solar cell, metals with a high work function such as gold and sliver are taken as a semitransparent anode to extract holes. A p-type metal oxide molybdenum trioxide or tungsten oxide is taken as a hole transport layer at two sides of the anode for connecting an upper sub-cell photosensitive layer and a lower sub-cell photosensitive layer so as to construct a built-in electric field and improve the collection efficiency of a current carrier. The photosensitive layers of an upper sub-cell and a lower sub-cell in the tandem cell are respectively a mixture consisting of a conjugated polymer and a fullerene derivative with different absorption ranges. The two sub-cells are connected in parallel, and short circuit current density of the tandem solar cell is the sum of the short circuit current density of the upper sub-cell and the short circuit current density of the lower sub-cell. By conjugated polymers with the different absorption ranges, the tandem polymer thin film solar cell effectively improves the active sunlight absorption and realizes that the short circuit current is effectively increased to 15 milliampere/square centimeter, thus increasing the maximum energy conversion efficiency of the polymer thin film solar cell to 3.36%.

A method of preparing a fullerene-containing material by electrodepositing the material onto a substrate from a fullerene-derivative in solution or from a medium comprising water and a fullerene derivative. The substrate can be coated with a metal or metal compound to prepare a fullerene-doped metal thin film. In a further embodiment, a metal and fullerene-containing thin film is simultaneously electrodeposited onto a substrate from a medium comprising a fullerene derivative and an electrolyte composition suitable for electrodepositing a metal or metal compound.

Methods for producing p-doped organic semiconductor material with a fullerene derivative having at least one electron-withdrawing substituent covalently attached thereto, and semiconductor compositions prepared thereby are provided. Also provided are electronic devices, such as transistors, solar-cells, illuminating devices, OLEDs and detectors, comprised of these p-doped organic semiconductor materials.

A photoelectric conversion device having: a pair of electrodes; a photoelectric conversion layer sandwiched between the pair of electrodes; and at least one electron blocking layer provided between one electrode of the pair of electrodes and the photoelectric conversion layer, wherein the photoelectric conversion layer contains at least one organic material, and the at least one electron blocking layer has a mixed layer containing fullerene or fullerene derivatives.

The invention provides a photomultiplier organic light detector with spectral selectivity. The photomultiplier organic light detector comprises a transparent substrate (1), a transparent electrode (2), a transparent electrode modifying layer (3), an active layer (4) and a metal electrode (5), wherein the transparent electrode (2) is arranged on the transparent substrate (1); the transparent electrode modifying layer (3) is arranged on the transparent electrode (2); the active layer (4) is arranged on the transparent electrode modifying layer (3); the metal electrode (5) is arranged on the active layer (4); the active layer is a blend film of an electron donor material and an electron acceptor material; the thickness of the film is 2.0-5.0 microns; the weight ratio of an electron donor material to the electron acceptor material in the active layer is 100 to 1; the electron donor material is a poly(3-exylthiophene) (P3HT) or perylene polymer (PBDT-TS1); and the electron acceptor material is a fullerene derivative (PCBM, ICBA) or a non-fullerene receptor (ITIC).

A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.

Provided are an organic photoelectric conversion film and a photoelectric conversion device having the organic photoelectric conversion film. The organic photoelectric conversion film includes a p-type substance layer including rubrene and an n-type substance layer formed on the p-type substance layer and including fullerene or fullerene derivative.

Disclosed are compositions of mixed fullerene derivatives with utility in organic semiconductors, and methods of making and using such compositions. In certain embodiments, the present invention relates to compositions of mixed fullerene derivatives further comprising one or more additional fullerene-based components within specified ranges. In certain other embodiments, the invention relates to methods of producing mixed fullerene derivatives of a specific composition from mixed fullerene starting materials, or pure fullerene derivatives of a specific composition from mixed fullerene derivatives. In yet other embodiments, the invention relates to semiconductors and devices comprising a composition of the invention.

A composition containing a polymer having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), and a fullerene with a carbon number of 70 or more or a fullerene derivative having a fullerene skeleton with a carbon number of 70 or more:

wherein, Q, R, R¹ and R² each independently denote a hydrogen atom, and so on.