150 results about "Photoactive layer" patented technology

The invention provides a heterojunction-based multi-mode photoelectric synapse device and a preparation method thereof. The heterojunction-based multi-mode photoelectric synapse device comprises a bottom electrode, a memristive functional layer, a photosensitive layer and a top electrode which are stacked in sequence, the memristive functional layer comprises metal oxide rich in oxygen vacancies and is provided with a micro-nano structure surface; the photosensitive layer covers the surface of the micro-nano structure of the memristive function layer, and forms a heterojunction interface with the memristive function layer; the oxygen vacancies and the heterojunction interface act synergistically, so that the device can respond to changes of optical signals, ambient temperature and ambient oxygen partial pressure at the same time, and the optical pulse intensity and the optical response current generated by the device have a non-linear relationship. Through cooperative regulation and control of an oxygen vacancy and a heterojunction interface, the device can respond to changes of an optical signal, environment temperature and environment oxygen partial pressure at the same time, a non-linear relation exists between optical pulse intensity and optical response current generated by the device, and then the function of integrating multi-mode sensing and sensing storage calculation is achieved.

The invention relates to the technical field of PbS quantum dot solar cells, and provides an infrared quantum dot solar cell based on double hole transport layers and a preparation method of the infrared quantum dot solar cell. The infrared quantum dot solar cell comprises a substrate, a bottom electrode, an electron transport layer, a quantum dot photosensitive layer, a hole transport layer and a top electrode which are sequentially stacked, and the hole transport layer comprises a PbS-PbO-EDT hole collection layer and a PbS-PbCl2-EDT hole collection layer which are arranged on the quantum dot photosensitive layer in sequence. The hole transport layer of a double-layer structure is adopted, Cl ligands are introduced, stress caused by volume shrinkage during ligand exchange is reduced, open-circuit voltage and short-circuit current losses caused by cracks on the surface of the film are reduced, meanwhile, the energy band level of the composite film is almost kept unchanged, and voltage losses are avoided.

The present disclosure relates to a photosensitive laminate and a method of manufacturing the photosensitive laminate, the photosensitive laminate including: a support substrate; and a photosensitive resin layer formed on the support substrate, wherein 5 / mm 2 The following bubbles have a diameter of less than 1 pm.

The objective is to provide a flange, a photoreceptor drum, and an image forming apparatus that prevent contact between the flange and the substrate contact surface of the flange, which occurs when the flange is removed from the photoreceptor drum body and the photoreceptor drum is reused. [Solution] The flange 60 has an earth plate 61, an earth plate holding portion 62 that holds the earth plate 61, and a fitting portion 64 that fixes the earth plate holding portion 62 in the axial direction and fits into the inner surface of the base material 52. The earth plate 61 has a projection 61b that protrudes so as to contact the inner surface of the base material 52 so as to be electrically connected to a photoreceptor drum body 56 on which a photosensitive layer 54 is formed on the surface of the cylindrical base material 52. The flange 60 has a relationship between the distance X from the end of the projection 61b to the contact surface of the earth plate 61 with the earth plate holding portion 62, the distance Y from the end of the contact surface of the earth plate holding portion 62 with the earth plate 61 to the end of the base material contact surface 65, and the distance Z from the end of the base material contact surface 65 to the contact surface of the fitting portion 64 with the earth plate holding portion 62, where YX > 0 and Z > 300 μm.

This invention provides a microgap suspension device and a microgap inverted suspension heat treatment process, comprising the following steps: adding p-aminobenzenesulfonic acid to a solvent, mixing thoroughly, and then adding carbon nanotubes to obtain a carbon nanotube dispersion; stirring the carbon nanotube dispersion under heating conditions to obtain a p-aminobenzenesulfonic acid-modified carbon nanotube dispersion; coating a substrate surface with a lead bromide solution, then coating the lead bromide surface with a cesium bromide solution, then coating the cesium bromide surface with the p-aminobenzenesulfonic acid-modified carbon nanotube dispersion; and finally performing heat treatment through a microgap suspension device to form a photoactive layer film. The microgap inverted suspension heat treatment process of this invention, through controllable height suspension heat treatment, ensures that the film is almost unconstrained by the rigidity of the substrate during thermal expansion and cooling contraction, thus making it suitable for flexible substrates as well. It also avoids direct contact damage to flexible substrates during high-temperature heat treatment.

The invention relates to an optoelectronic component (100) comprising a first electrode (2), a second electrode (9) and a stack (20) arranged between the first electrode (2) and the second electrode (9), the stack (20) comprising at least a first light-sensitive layer (4) and a second light-sensitive layer (7), the first light-sensitive layer (4) comprising at least one perovskite absorber material having a wide band gap, and the second light-sensitive layer (7) comprising at least one perovskite absorber material having a wide band gap. And the second light-sensitive layer (7) is an organic light-sensitive layer having a narrow band gap comprising at least one donor and at least one acceptor as an organic absorbent material forming a donor / acceptor heterojunction, where the at least one donor of the second light-sensitive layer is an A-D-A compound and / or a BODIPY compound.

The application discloses a preparation method of a wide-bandgap perovskite photoactive layer, and comprises the following steps: S1, lead iodide powder, cesium iodide powder and ytterbium bromide powder are proportioned according to a proportioning molar ratio, and an inorganic target material is prepared by using a hot-press sintering process; S2, formamidinium hydriodide powder and methylammonium bromide powder are proportioned according to a proportioning molar ratio, and an organic target material is prepared by using a normal-temperature preparation process; S3, a pretreated substrate is placed on a magnetron sputtering sample table, the target materials prepared in steps S1 and S2 are respectively installed on corresponding radio frequency sputtering targets, and the background of a magnetron sputtering system is vacuumized; S4, high-purity argon gas is used as a sputtering gas, and a wide-bandgap perovskite thin film is prepared by using a magnetron co-sputtering method; the sputtering power of the inorganic target material prepared in step S1 is controlled, the sputtering power of the organic target material prepared in step S2 is controlled, and the thickness of the thin film is controlled, so that the high-quality thin film is prepared by using the differential target material preparation process.

The invention provides a monolithic three-dimensional integrated photoelectric detector and a preparation method thereof. The preparation method comprises the following steps: forming an isolation passivation layer on a readout integrated circuit serving as a substrate of the photoelectric detector; forming a source conductive through hole, a drain conductive through hole and a bottom gate contact hole in the isolation passivation layer; a conductive material is deposited and planarized, the source electrode conductive through hole, the drain electrode conductive through hole and the bottom gate contact hole are filled with the conductive material, the conductive material in the source electrode conductive through hole forms a source electrode conductive channel, the conductive material in the drain electrode conductive through hole forms a drain electrode conductive channel, and the conductive material in the bottom gate contact hole forms a bottom gate electrode layer; forming a bottom gate dielectric layer on the planarized surface, and forming a channel layer on the bottom gate dielectric layer; forming a source electrode and a drain electrode, wherein the source electrode and the drain electrode are electrically connected with the connecting port of the read-out integrated circuit through a source electrode conductive channel and a drain electrode conductive channel respectively; and forming a top gate structure which comprises a top gate dielectric layer and a photosensitive layer.

The invention relates to the field of P / N interactive batteries, in particular to a P / N interactive structure thin film solar cell module embedded packaging structure and method, and a conductive substrate and a thin film device stack arranged on the surface of the conductive substrate form a battery module. The thin film device stack comprises a conductive layer partition, a cathode modification layer, an optical active layer, an anode modification layer and a metal back electrode which are sequentially stacked on the surface of the conductive substrate from bottom to top; a packaging film corresponding to the conductive substrate in size covers the optical activity area of the thin-film device stack in a hot-pressing manner, and a notch corresponding to a tab fixing area on an upper electrode of the battery assembly is formed in the packaging film so as to fix a tab; the battery assembly is embedded into the packaging cover plate to enable the illumination surface to face the outside of the packaging cover plate, and the packaging cover plate is provided with a tab leading-out port for leading out the tab outwards; and a gap between the packaging cover plate and the battery assembly is filled with light-cured packaging glue. Through two-stage packaging, the P / N interactive structure thin film solar cell is prevented from being influenced by external factors, and meanwhile, the long-term environmental stability of the cell is improved.

A photonic-organic electrochemical transistor (POECT), including a substrate, three terminals including a gate, a drain, and a source disposed over the substrate, wherein the space between the drain and the source forms a channel, and an electrolyte in fluid and electrical communication with the gate and the channel, wherein the channel is formed of a photoactive layer composed of donor-acceptor bulk-heterojunction interfaces.

A method of processing a substrate includes providing a substrate including a pattern of lines extending in a first direction, and reducing stitching defects by removing material from the pattern of lines using a gas cluster beam. The pattern of lines includes a first subset of lines stitched to a second subset of lines in a stitching region that includes the stitching defects. The gas cluster beam includes an azimuthal component substantially parallel to the first direction. The stitching defects may be further reduced using an additional gas cluster beam in the opposite and substantially parallel to the first direction. The method may further include exposing a first region and a second region of a photosensitive layer of the substrate to different structured actinic radiation, and forming the pattern of lines on the substrate by developing the first region and the second region.

An electrophotographic photoreceptor includes: a conductive base, a photosensitive layer provided on the conductive base, and a protective layer provided on the photosensitive layer. The protective layer is a cured body of a photocurable composition that includes a photocurable compound and a photopolymerization initiator. The photopolymerization initiator includes a first compound having an acylphosphine oxide structure and a second compound having an α-aminoacetophenone structure and an absorption coefficient at a wavelength 365 nm smaller than that of the first compound. A total content of the first compound and the second compound with respect to 100 parts by mass of the photocurable compound is 5 parts by mass or more and 20 parts by mass or less.

Disclosed is an apparatus for exposing a relief precursor (P) comprising a substrate layer and at least one photosensitive layer, said apparatus comprising: a first light source (1) comprising an array of LEDs configured to illuminate a first side of said relief precursor; a second light source (2) configured to illuminate a second side of the relief precursor opposite the first side; wherein the first light source comprises a support having a light absorbing surface facing the second light source, such that light reflected or transmitted in the direction of the first light source is at least partially absorbed by the light absorbing surface of the support.

The application discloses a high specific detectivity optical detection device and a preparation method thereof. The detection device is composed of a bottom substrate, a conductive cathode, an electron transport layer, an organic photoactive layer, a hole transport layer and a metal anode. The photoactive layer adopts a polymer donor PDPP3T and a fullerene acceptor PC 71 BM is blended to form a bulk heterojunction, and a solvent additive 1,8-diiodooctane is added to regulate the heterojunction morphology. The electron transport layer uses pure zinc oxide as a single interface layer or ethoxylated polyethyleneimine modified zinc oxide as a composite interface. Under the action of a reasonable additive content, the dark current of the detection device is significantly reduced, and a low dark current and high specific detectivity optical detection device is realized.

The invention provides a battery module and a laser grooving method, and solves the problem of how to improve the reliability of a solar battery in the prior art. The battery module comprises: a substrate; the first electrode layer is positioned on one side of the substrate; the optical active layer is located on the side, away from the substrate, of the first electrode layer; the second electrode layer is located on the side, away from the substrate, of the optical active layer; wherein the battery module is provided with a first groove, the first groove penetrates through the second electrode layer and the optical active layer and exposes the first electrode layer, the first groove comprises a first sub-groove and a second sub-groove which are adjacently arranged in the direction close to the substrate, and the orthographic projection of the second sub-groove on the substrate is located in the orthographic projection range of the first sub-groove on the substrate.

The present invention relates to a hybrid solar cell and a fabrication method thereof. The hybrid solar cell according to the present invention comprises: a transparent substrate; a porous layer provided on the transparent substrate, wherein the porous layer comprises a plurality of particles; a first photoactive layer provided on the plurality. of particles; a first charge transport layer provided on the first photoactive layer; a first electrode provided on the porous layer, wherein the first electrode comprises at least one through-hole; a second charge transport layer provided on the first electrode and the first charge transport layer, wherein the second charge transport layer is in direct contact with the first charge transport layer, wherein each of the first charge transport layer and the second charge transport layer is a solid layer and transports electrons or holes; and a second electrode provided on the second charge transport layer.

A photosensitive element for a permanent resist according to the present disclosure comprises a support film and a photosensitive layer formed upon the support film, wherein: the photosensitive layer contains (A) a resin containing an acid-modified vinyl group, (B) a photopolymerizable compound, (C) a photopolymerization initiator, and (D) an inorganic filler; the (D) inorganic filler contains an inorganic filler having a refractive index of 1.500-1.700; the photosensitive layer has a thickness of 5-35 μm; and the photosensitive layer has an absorbance of 0.40-1.00 with respect to light having a wavelength of 380 nm.

The photosensitive element according to the present disclosure comprises a substrate and a photosensitive layer formed on this substrate. The photosensitive layer contains a binder polymer, a photopolymerizable compound, a photopolymerization initiator, and a sensitizer. The thickness of the photosensitive layer is less than 10 μm. The photosensitive layer has a light transmittance of over 70% at a wavelength of 405 nm.

The application relates to a solar cell, a structure of the solar cell comprises a photoactive layer, the photoactive layer is a perovskite photoactive layer, at least one p-type region and at least one n-type region are arranged at the bottom of the photoactive layer, the p-type region and the n-type region are arranged at intervals, and electrodes are independently arranged below the p-type region and the n-type region respectively. In the application, the charge transport layer in the perovskite solar cell structure is arranged on the same side of the perovskite layer, a reduction film can be deposited on the other side of the perovskite layer, so that the light absorption of the photoactive layer can be more fully improved, the short-circuit current density of the device is improved, and the energy conversion efficiency is further improved.

One embodiment of the present disclosure relates to a photosensitive element comprising a support film containing a lubricant and a photosensitive layer formed on a first surface of the support film. The support film includes a first lubricant layer, a base material layer, and a second lubricant layer, and has the first lubricant layer on the first surface side of the support film and the second lubricant layer on the second surface side of the support film. The second lubricant layer contains an organic lubricant and does not contain an inorganic lubricant. The number of the organic lubricant of 0.8 μm or more in particle diameter included in the second surface is 2 or more per 0.0225 mm2, and the surface roughness Rz of the first surface and the second surface is less than 100 nm.

A photosensitive element according to the present disclosure can be produced by a method including a step of forming a photosensitive layer on a support film using a photosensitive resin composition and a step of bonding a winding outer surface of a protective film having a roll shape onto the photosensitive layer, and includes a support film, a photosensitive layer provided on one surface of the support film, and a protective film provided on a surface of the photosensitive layer opposite to the support film, and the protective film has a weld line on a surface opposite to the photosensitive layer.

This invention belongs to the technical field of perovskite solar cell materials, specifically relating to an interface modification material, an interface modification ink, an interface modification layer, its preparation method, products, and applications. The interface modification material comprises a bulky amine and a bulky organic acid, wherein the bulky amine is phenylethylamine and the bulky organic acid is MeO-2PACz. The interface modification material and solvent are mixed in a certain proportion to prepare the interface modification ink. The interface modification ink is then spin-coated onto a photoactive layer to prepare the interface modification layer. Applying the interface modification layer to perovskite solar cells improves the photovoltaic performance of the perovskite solar cells by at least 9%, and the photovoltaic performance exhibits insensitivity to the concentration of the interface modification ink, which is beneficial for the large-scale commercial production of perovskite solar cells.

This invention discloses a solid additive material for photoelectric converters, its application, and its preparation. The solid additive material for photoelectric converters comprises compounds having the structure shown in the following formula: the structure of the photoelectric converter, from bottom to top, includes a transparent substrate, a transparent electrode layer, a hole transport layer, a photoactive layer, an electron transport layer, and a metal electrode layer; the material of the photoactive layer includes a donor material, an acceptor material, and the solid additive material for photoelectric converters. The solid additive material for photoelectric converters of this invention can effectively control the morphology of the active layer, thereby improving the performance of photovoltaic devices. After addition, the acceptor molecules in the active layer are arranged more compactly and orderly, thereby improving the internal carrier physics processes, enhancing exciton dissociation, improving charge transport, and reducing charge recombination, thus significantly increasing the short-circuit current density and fill factor of the photoelectric converter, and obtaining higher photoelectric conversion efficiency.

The application relates to the field of organic photovoltaics, in particular to a mixture and an indoor organic photovoltaic device. By developing a mixture, a polymer donor material containing a repeating unit as shown in a general formula (I), a non-fullerene acceptor material as shown in a general formula (II), and a small-molecule organic compound as shown in a general formula (III), the mixture is applied to an indoor organic photovoltaic device as a photoactive layer material system, and excellent photoelectric performance is exhibited.

A method of making a photovoltaic module from a module precursor structure is provided. The module precursor structure includes a substrate, a bottom electrode overlaying the substrate, and a photoactive layer overlaying the bottom electrode, wherein the photoactive layer includes at least a perovskite absorber layer, and a top electrode overlaying the photoactive layer. At least one of the top and bottom electrodes is a transparent electrode. A megascribe is formed along a first dimension of the module precursor structure to define first and second photovoltaic cells. The megascribe is formed by removing the top electrode and photoactive layer in an upper scribe portion of the megascribe, and removing the bottom electrode in a lower scribe portion of the megascribe.

The application discloses a gravure printed solar cell module and a preparation method thereof. The gravure printed solar cell module comprises a plurality of sub-cells; first partitions are arranged between adjacent first electrode layers, second partitions are arranged between second electrode layers, the first and second partitions are staggered and not connected with each other; a staggered channel is arranged in a planar region between the partitions, wherein there is no photoactive layer, and the first electrode layer of an adjacent sub-cell and the next second electrode layer are connected through the staggered channel. The application forms staggered electrode partitions by using a gravure, forms a staggered channel between the upper and lower partitions, and realizes series connection of the top second electrode layer and the bottom first electrode layer in the adjacent sub-cell by using the material in the staggered channel. The technical scheme avoids the traditional laser cutting and cell splicing processes, is simple and easy to implement, has high product yield, and can be used for large-area process one-time mass production.

A photosensitive element according to the present disclosure comprises a support and a photosensitive layer formed on the support. The photosensitive layer contains a binder polymer, a photopolymerizable compound, a photopolymerization initiator, and a sensitizer. The photopolymerization initiator contains a hexaarylbiimidazole compound. The content of the sensitizer is 0.019 parts by mass or less with respect to 100 parts by mass of the total amount of the binder polymer and the photopolymerizable compound.

The present invention relates to: an organic compound which can be used in a photoactive layer of a photoelectric element and which is represented by chemical formula 1, said chemical formula 1 being the same as the content described in the detailed description of the present invention; and a photoelectric element comprising the organic compound.

This invention relates to the field of organic photovoltaic cell technology, specifically to a non-fullerene acceptor material and a mixture containing the same. The molecular structure is optimized by limiting the side-chain alkyl chain configuration and the selection of electron-withdrawing ends of the non-fullerene acceptor material. When the non-fullerene acceptor material of this invention is applied to the photoactive layer of an organic photovoltaic device, it exhibits excellent photoelectric performance.

The invention relates to optoelectronic component, comprising a bottom electrode (2), a top electrode (6), and a layer system (7) with at least one photoactive layer (4). The layer system is arranged between the bottom electrode and the top electrode, and at least one photoactive layer is designed as a planar heterojunction (PHJ), wherein the at least one photoactive layer designed as a planar heterojunction has at least one chemical compound of the general formula I. The invention also relates to the use of such a compound of the general formula I in an optoelectronic component and to a chemical compound of the general formula II.