40 results about "Generation rate" patented technology

The invention relates to the technical field of semiconductor device design and simulation, in particular to a multi-physics-field coupled photoelectric detector modeling method and system, and the method comprises the steps: calculating the spatial distribution of the carrier generation rate, the carrier recombination rate, the potential, the distribution of electron concentration and hole concentration, and heat effect feedback data of a surface incidence semiconductor photoelectric detector; calculating the current density distribution of the target surface incident semiconductor photoelectric detector under the dynamic input optical power; based on an automatic differential Newton iteration method, a multi-physics field coupling equation set is solved according to spatial distribution of a carrier generation rate, current density distribution, a carrier recombination rate, potential, distribution of electron concentration and hole concentration and heat effect feedback data; and establishing an equivalent circuit model of the surface incidence semiconductor photoelectric detector, and carrying out co-simulation with an external circuit. Therefore, the problems of insufficient physical field coupling, poor numerical stability, low calculation efficiency, inaccurate simulation and the like in a traditional photoelectric detector simulation method are solved.

An interferometric module, constructed in single pentagonal block to produce high quality, robust, low cost entangled-photon sources enabling polarization entanglement swapping. The compact block forms a generic platform that facilitates a comprehensive integration of optical components while allowing for quick optical alignments. Phase-stability of the self-balanced Sagnac interferometer is harnessed to offer a highly stable performance at room temperature and under sever operating conditions. High-quality entanglement is inherently achieved by equalizing two interferometric optical paths from counter-propagating photons. A periodically poled nonlinear crystal is placed between two half-wave plates, which also serve to correct the polarization states of the photons. The result is compensation-free and plug-and-play entangled-photon sources for quantum routers, distributed quantum sensing and quantum telecommunication. Wavelengths and generation rate of photon pairs are realized via the hosted crystal. Energy and polarization entanglement, and hyperentanglement can be remotely set by rotating the polarization state of the pump laser diode.

The invention discloses a preparation method and application of an efficient photocatalyst Sm-POM-MOF with a high electron transfer rate, and relates to a preparation method and application of a photocatalyst. The problems that an existing POM-coated MOF composite material cannot achieve efficient loading of POM while keeping the MOF structural integrity, an efficient interface electron transmission channel cannot be constructed, and the CH4 generation rate cannot be increased are solved. The preparation method comprises the following steps: 1, preparing an acidified Na2WO4 solution; 2, preparing a needle-shaped Sm-POM crystal; 3, preparing a solution containing zirconium metal oxygen clusters; and 4, carrying out hydrothermal reaction. According to the application, the photocatalyst is used for reducing CO2 to prepare CH4.

Bright entangled photon sources including an alignment-free, fiber-based, mechanically-rugged and generic interferometric module are disclosed. The inherent phase-stability of a Sagnac interferometer is deployed. High down-conversion efficiency of periodically poled nonlinear-waveguides is combined with the optical gain of semiconductor optical amplifiers and immunity of fiber optics. A single compact interferometric engine combines these attributes, allowing highly stable, integrable and bright polarization entangled-photon sources operating at room temperature. Using a minimum number of in-line optical parts, the compact module is based on a novel method that enhances the long-term stability and efficiency without compromising the entanglement quality. Besides energy entanglement, polarization entanglement is presented and set through the operational conditions. An optional periodically poled nonlinear waveguide can be hosted to achieve the desired spectral bandwidth and photons generation rate. The result is a zero-maintenance, lightweight, low-power consumption engine of compact and fully-integrable bright polarization-entangled photon sources.

This invention provides the preparation and application of a dual LSPR effect nitrogen-fixing material with increased hot electron concentration at active sites. PMoV and Ag are attached to W via electrostatic self-assembly and photodeposition. 18 O 49 On the surface, Ag / W with dual LSPR effect was successfully prepared. 18 O 49 / PMoV heterojunction, experimental data show that W 18 O 49 It can absorb photogenerated electrons produced by PMoV and Ag, and the injected photogenerated electrons are in W 18 O 49 Enrichment at OVs on the surface, thus preserving W 18 O 49 Plasma effect, Ag / W 18 O 49 The fluorescence lifetime of photogenerated carriers in PMoV is prolonged, and the loading of Ag and PMoV is Ag / W. 18 O 49 / PMoV provides a new pathway for the migration of photogenerated electrons and holes, Ag / W 18 O 49 The nitrogen fixation activity of the / PMoV heterojunction was enhanced, and the ammonia generation rate reached 118.4 µmol g. −1 h −1 , is W 18 O 49 The yield is 3.6 times higher, and the experimental parameters are easy to control in this synthetic route.

The utility model is suitable for the technical field of solar cells, and provides a solar cell, a cell assembly and a photovoltaic system. The solar cell comprises a plurality of front metal electrodes, a silicon substrate, a back structure and a plurality of back metal electrodes, the back surface structure comprises a plurality of polishing areas and a plurality of suede areas which are alternately arranged; wherein the suede area is arranged between any two polishing areas, and the back metal electrodes are arranged in the polishing areas. According to the utility model, the suede area is arranged on the back surface structure of the solar cell, and the back surface metal electrode is arranged in the polishing area, so that when light enters the back surface structure, the light is scattered and reflected for multiple times in the concave-convex structure of the suede area, thereby increasing the path length of the light in the solar cell, and improving the brightness of the solar cell. The photoelectric conversion efficiency and the light absorption efficiency of the solar cell are improved, and the power generation rate of the cell assembly is improved.

To provide a carbon dioxide reduction photocatalyst particle enabling balanced improvement of CO gas generation rate and CO selectivity, and a method for producing the same.SOLUTION: A carbon dioxide reduction photocatalyst particle comprising a base particle and a metallic silver (Ag) particle carried on the surface of the base particle, wherein the base particle contains strontium niobate (SrNb2O6), wherein a diffuse reflectance spectrum indicates a peak A located in a wavelength region of 200 nm or more to 300 nm or less and a peak B located in a wavelength region of 350 nm or more to 500 nm or less, and wherein a ratio (IB / IA) of an intensity (IB) of the peak B to an intensity (IA) of the peak A is 20% or less.SELECTED DRAWING: Figure 4B

The invention provides a back contact solar cell and a solar cell module. The back contact solar cell comprises a silicon substrate, and the backlight surface of the silicon substrate is provided with a first region, a third region and a second region which are continuously arranged; the first tunneling dielectric layer, the first doping layer, the insulating dielectric layer and the second doping layer are sequentially stacked on the third region; the second doping layer comprises at least two sub-doping layers which are alternately stacked and have the same doping polarity, and the adjacent sub-doping layers are separated by a spacing layer; the doping polarity of the second doping layer is opposite to that of the first doping layer; the third region is provided with at least one cavity, and the cavity at least penetrates through the insulating dielectric layer and at least penetrates through part of the first doping layer. According to the invention, the scattering capability of light penetrating to the back surface can be improved, the light absorption efficiency and the generation rate of photon-generated carriers can be improved, the transmission path and selectivity of the carriers can be optimized, the collection loss of the carriers can be reduced, and the design of the back film layer structure has excellent photoelectric performance.

The invention relates to a mobile charging method and system based on multi-energy complementation, and relates to the field of automobile charging piles, and the method comprises the steps: 100, collecting photovoltaic power generation parameters; 101, the power generation rate is determined according to the power generation parameters, and electric quantity parameters of the mobile charging pile are collected; step 102, determining a charging rate in response to the electric quantity parameter; step 103, when the power generation rate is smaller than the charging rate, calculating the difference between the charging rate and the power generation rate, and defining the difference as a power shortage rate; 104, determining a moving distance in response to the power shortage rate, and collecting a charging image; step 105, identifying a charging position within a moving distance from the charging image; 106, planning a charging route based on the charging position; and step 107, controlling a preset mobile charging pile to move to a charging position according to the charging route. The mobile charging pile has the advantages that the use convenience of the mobile charging pile is improved, and the cruising ability of the mobile charging pile can be improved.

The utility model is suitable for the technical field of photovoltaic cells, and provides a photovoltaic assembly and a photovoltaic system. The photovoltaic module comprises a frame and a plurality of battery strings arranged in the frame, each battery string comprises a plurality of battery pieces which are sequentially arranged in the length direction of the photovoltaic module, the adjacent battery pieces of each battery string are connected or partially overlapped, and the length direction of each battery string is the same as the length direction of the photovoltaic module. The plurality of battery strings are sequentially arranged along the width direction of the photovoltaic module; the ratio of the length of the battery string to the length of the photovoltaic module is 97%-99%, and the ratio of the projection area of all battery pieces of the photovoltaic module on the front face of the photovoltaic module to the total area of the front face of the photovoltaic module is 93%-99%. According to the photovoltaic module provided by the utility model, the area ratio of the battery pieces can be improved, and the power generation rate of the photovoltaic module is improved.

The invention discloses a combined brush electrode ion slurry disinfection and purification module, and relates to the technical field of air disinfection and purification, the combined brush electrode ion slurry disinfection and purification module comprises a mounting shell seat, a mounting bottom cover covers the lower part of the mounting shell seat, and mounting cover plates cover the two sides of the upper end of the mounting shell seat; an integrated ion slurry generator is fixedly mounted between the two mounting cover plates; the ion slurry generator comprises five layers of main body structures which are sequentially and fixedly arranged in a stacked mode in the thickness direction of the ion slurry generator, and discharging units integrated at the two ends of the five layers of main body structures in the length direction. Through physical and electrical deep integration of a brush electrode and a five-layer DBD main body structure, deep synergy of corona discharge and dielectric barrier discharge is realized: the corona discharge stably generated by a brush tip releases a large number of seed electrons, the air breakdown threshold value of main body DBD discharge is remarkably reduced, the chain type avalanche ionization process is accelerated, and the service life of the chain type avalanche ionization device is prolonged. And the magnitude jump of the ion slurry concentration and the generation rate can be realized under relatively low driving voltage.

The utility model discloses a solar system with a high power generation rate. The solar system comprises a rotating holder, a stabilizing support, a solar panel, a connecting support and a concave-like mirror. The stable support is fixedly mounted on the mounting surface, the fixed end of the rotating holder is mounted on the stable support, and the solar panel is mounted at the rotating end of the rotating holder, so that the solar panel is rotatably arranged and vertically faces incident rays of the sun; the similar concave mirror is installed on the solar panel through the connecting support, three faces of the similar concave mirror are arranged on the outer side of the solar panel in a surrounding mode, the concave face of the similar concave mirror faces the solar panel, and an acute included angle is formed between the concave face of the similar concave mirror and the solar panel. The utility model relates to the technical field of solar equipment, and can solve the problem of low power generation rate of a solar system in the prior art.

A solar-driven sprinkling irrigation method, system, medium and program product, in the method, an irrigation compensation task is calculated according to the current wind direction, the current wind speed and the sprinkling irrigation task of the sprinkling irrigation equipment; the power generation rate and the current remaining power of the sprinkling irrigation equipment are determined; the task duration and the required power consumption of the task are calculated according to the sprinkling irrigation task and the irrigation compensation task; the total power is calculated according to the task duration, the power generation rate and the remaining power; it is judged whether the total power is less than the required power consumption of the task; if not, a first instruction is sent to the sprinkling irrigation equipment to make the sprinkling irrigation equipment execute the sprinkling irrigation task and the irrigation compensation task; if yes, the key irrigation area in the farmland and the corresponding area irrigation task of the key irrigation area are determined; a second instruction is sent to the sprinkling irrigation equipment to make the sprinkling irrigation equipment stop sprinkling irrigation when passing through the area except the key irrigation area. The application realizes improving the completion rate of the sprinkling irrigation task.

A gyroscope comprises first and second light sources that emit first and second beams with broadband spectrums, and a waveguide arrangement that communicates with the light sources. A resonator communicates with the waveguide arrangement to receive the beams. A first circulator is coupled to the waveguide arrangement between the first light source and the resonator. A second circulator is coupled to the waveguide arrangement between the second light source and the resonator. A first rate detector communicates with the resonator through the first circulator, and a second rate detector communicates with the resonator through the second circulator. The rate detectors produce rate measurements based on a detected resonance frequency shift of the beams in the resonator caused by rotation of the gyroscope. Outputs of the rate detectors are used to calculate a rotation rate that is corrected for errors due to a time varying pathlength change in the resonator.

The invention provides preparation and application of a double-LSPR-effect nitrogen fixation material capable of improving active site hot electron concentration, PMoV and Ag are attached to the surface of W18O49 through electrostatic self-assembly and photodeposition, an Ag / W18O49 / PMoV heterojunction with the double LSPR effect is successfully prepared, experimental data shows that W18O49 can absorb photo-induced electrons generated by PMoV and Ag, and therefore the nitrogen fixation material with the double LSPR effect can be used for improving the active site hot electron concentration. The injected photo-induced electrons are enriched at OVs on the energy surface of the W18O49, so that the plasma effect of the W18O49 is maintained, the fluorescence lifetime of a photo-induced carrier in the Ag / W18O49 / PMoV is prolonged, the load of Ag and PMoV provides a new channel for migration of the photo-induced electrons and holes in the Ag / W18O49 / PMoV, the nitrogen immobilization activity of the Ag / W18O49 / PMoV heterojunction is enhanced, the ammonia generation rate reaches 118.4 mol g1h1 and is 3.6 times of the yield of the W18O49, and in the synthesis route, the nitrogen immobilization activity of the Ag / W18O49 / PMoV heterojunction is greatly improved. And experimental parameters are easy to control.

The present application provides a kind of micro resonant cavity system and its photon maximum generation rate control method, system includes: input channel, micro resonant cavity and output channel;The input channel is used to input pump light to micro resonant cavity;The output channel is used to export the photon pair corresponding to the signal light and idler light generated in the micro resonant cavity;One side of the micro resonant cavity is critically coupled with the input channel at pump light resonance peak;The other side of the micro resonant cavity is over-coupled with the output channel at signal light resonance peak and idler light resonance peak, and the greater the coupling coefficient, the higher the single-photon maximum generation rate allowed by micro resonant cavity.The present application improves the maximum photon flow rate allowed by microcavity at signal light frequency and idler light frequency while ensuring high power efficiency of pump light.For the improvement of the maximum allowed photon flow rate, it is derived from the shortening of photon lifetime brought by over-coupling condition, and the widening of signal light and idler light resonance peak.

The invention belongs to the field of composite material preparation, discloses an H-ZISv / Au-Ag HAPs composite material as well as a preparation method and application thereof, and solves the problem of poor photocatalytic hydrogen evolution performance of an existing photocatalyst. The H-ZISv / Au-Ag HAPs composite material is formed by loading hollow Au-Ag alloy nano particles on a hollow ZnIn2S4 nano cage containing sulfur vacancies, and the H-ZISv / Au-Ag HAPs composite material is a novel double-hollow plasma Schottky heterojunction photocatalyst. The material promotes the generation of a large amount of current carriers through the cooperation of a multi-light scattering / reflection effect and directional charge transfer; and the material has efficient hot electron excitation and excellent photothermal conversion performance. Through the synergistic effect generated by the optimized Schottky junction, plasma near-field enhancement and double-cavity constraint, the photo-thermal assisted photoelectrochemical reaction is improved. The catalyst has a hydrogen generation rate of 16 mmol g <-1 > h <-1 > and excellent stability under the conditions of AM 1.5 G illumination and 25 DEG C.

The utility model discloses a quantum random number generator with an adjustable rate. The quantum random number generator comprises a quantum light source, a luminous flux adjusting module, a detection module and a post-processing module, the output end of the quantum light source and the output end of the post-processing module are respectively connected with the input end of the luminous flux adjusting module, the output end of the luminous flux adjusting module is connected with the input end of the detection module, and the output end of the detection module is connected with the input end of the post-processing module. The utility model discloses a quantum random number generator with an adjustable rate, which can dynamically control the luminous flux between a quantum light source and a detection module by triggering a luminous flux adjusting module through a post-processing module, thereby realizing the flexible management of the generation rate of a random number. Meanwhile, energy consumption can be reduced, and waste of data resources can be avoided.

The reflective film is applied to the field of photovoltaic power generation, the reflective film comprises a base material layer and a bonding layer, microprism reflecting layers are arranged on the two opposite sides of the base material layer, each microprism reflecting layer comprises a plurality of microprism reflecting structures, the microprism reflecting structures are located in the microprism reflecting layer on one side of the base material layer, and the bonding layer is located between the microprism reflecting layers on the other side of the base material layer. One side back to the base material layer is connected with the bonding layer, and the reflective film is connected in the double-sided photovoltaic module through the bonding layer. According to the reflective film in the double-sided photovoltaic module, the micro-prism reflecting layers are formed on the surfaces of the two opposite sides in the base material layer, and the side, opposite to the base material layer, of the micro-prism reflecting layer on one side is connected with the bonding layer, so that the reflective film can be correspondingly arranged in the double-sided photovoltaic module, and the reflective film can be applied to the double-sided photovoltaic module. Therefore, the back power generation efficiency of the photovoltaic module can be further improved while the front power generation power of the double-sided photovoltaic module is not affected, and the double-sided power generation rate of the photovoltaic module is improved.

The invention discloses a lunar surface heat flow inversion method based on a three-layer steady-state heat conduction model, and the method comprises the steps: 1, calculating the total mass heat production rate through the specific heat production rate and mass heat production rate of radioactive elements in the moon; 2, constructing a three-layer steady-state heat conduction model comprising a giant weathered layer, a moon shell and a moon curtain, and setting boundary and heat flow continuity conditions; 3, solving a coefficient of a heat conduction equation of the three-layer steady-state heat conduction model to obtain a temperature profile and a temperature gradient; 4, calculating brittleness strength and plastic strength envelopes by using a temperature profile, and calculating a predicted bending moment by using an envelope integral; 5, calculating a target bending moment by using the effective elastic thickness of the lithosphere; 6, continuously adjusting the thickness of the giant weathered layer, reducing the deviation between the predicted bending moment and the target bending moment, and obtaining a convergent temperature structure; 7, solving a surface temperature gradient from the convergent temperature structure; and 8, calculating the lunar surface heat flow according to the surface temperature gradient. The estimation precision of the lunar surface heat flow is improved.

The utility model discloses a multi-channel parallel processing quantum random number generator, which comprises a super-radiation light-emitting diode, an optical coupler, a data acquisition array and an FPGA (Field Programmable Gate Array) chip, and is characterized in that amplified spontaneous emission noise of the super-radiation light-emitting diode is used as a quantum entropy source to emit quantum entropy; the optical coupler is used for sending the quantum entropy to the data acquisition array; the data acquisition array is used for performing multi-path signal processing on the quantum entropy signal and outputting a digital signal; and the FPGA chip performs post-processing on the digital signal to generate a random number bit string. According to the utility model, the amplified spontaneous emission ASE noise of the SLED is used as a quantum entropy source, and the emergent light of the SLED is sent to the data acquisition array through the optical coupler. The data acquisition array is connected in parallel through a plurality of data acquisition modules, the real-time generation rate of the data post-processing method based on the XOR method or the Teplitz-Hash function reaches the Gbps magnitude, and the acquisition and production efficiency of random numbers is greatly improved.

According to the high-power-generation-rate light-transmitting glass and the window, a circle of light-proof high-power-generation-rate photovoltaic film composite structure is arranged on the edge of a light-transmitting low-power-generation-rate photovoltaic film, the contradiction between the power generation efficiency and the light transmission is successfully solved, the high power generation rate is guaranteed, and meanwhile the transparent visual experience close to that of common glass is kept. The light-transmitting low-power-generation-rate photovoltaic thin film is filled in the inner ring of the light-proof high-power-generation-rate photovoltaic thin film, the smoothness of the photovoltaic power generation thin film is kept, no empty package exists after the glass sheet is clamped, and the quality strength of the glass can be better guaranteed. A frame power generation system is designed in the frame applying the high-power-generation-rate light-transmitting glass, and the power generation rate of a window can be further improved by collecting light rays refracted, reflected and diffracted to the frame direction at the position, close to the frame, of the glass and converting the light rays into electric energy.

The invention discloses a continuous variable quantum relay method and system based on all-optical entanglement swapping. According to the disclosed scheme, a transmitting end prepares a hyper-entangled photon pair with continuous variable entanglement association on orthogonal amplitude-phase degree of freedom and time-energy degree of freedom at the same time, keeps one group of photons, and transmits the other group of photons to a relay node; at a relay node, quantum purification is firstly implemented based on T-E degree of freedom; then, all-optical entanglement exchange is carried out on the purified photons and photons locally prepared by a relay, and transfer of the X-P degree-of-freedom continuous variable entanglement relation is achieved; reconstructing T-E degree-of-freedom entanglement for the photons after entanglement exchange through a non-degenerate spontaneous parametric down-conversion process; and the plurality of relay nodes are repeatedly executed until the Bob end receives the photon sequence. Probabilistic non-Gaussian measurement is not needed, the structure is simple, the problems that a traditional continuous variable quantum relay is low in generation rate and poor in cascading performance are solved, and the continuous variable quantum relay is suitable for a long-distance continuous variable quantum communication network.

This invention relates to the field of photovoltaic module encapsulation technology, specifically to a laminated interconnect film and its preparation method, a grid-less photovoltaic module, and its applications. The laminated interconnect film sequentially comprises: an upper surface layer, an intermediate functional layer, and a lower adhesive layer stacked together; the upper surface layer has a melting point of 80-100℃; the intermediate functional layer contains coupling agent-modified nano-silica and conductive fillers dispersed within it; the lower adhesive layer has a melting point of 60-80℃; and a metal wire positioning groove is provided on the first surface. This invention, through the synergistic design of the three functional materials and the pre-set positioning groove structure, achieves precise positioning and reliable fixation of the metal interconnect wires, significantly reducing contact resistance to below 0.1Ω, increasing the module fill factor to above 83%, and simultaneously reducing the bubble generation rate after lamination to below 0.5%. This effectively solves key technical challenges in grid-less module encapsulation, reduces silver paste usage by more than 45%, increases module power by more than 3%, and has promising industrial application prospects.

The invention discloses a VOCs tracing method for local O3 generation, and relates to the technical field of atmospheric environment protection. According to the scheme, the method comprises the steps that on the basis of air quality monitoring and meteorological observation data, hourly hydroxyl free radical concentration and in-situ O3 generation rate are simulated through an observation-based model, VOCs photochemical reaction consumption is calculated, VOCs photochemical reaction consumption industry sources are obtained through analysis, a target industry with the large contribution degree is recognized in combination with machine learning, and the VOCs photochemical reaction consumption is calculated. According to the method, minute-level O3 monitoring concentration and meteorological observation data are analyzed through a conditional variable probability function, an enterprise space heat map is generated, a target enterprise with a large contribution degree can be quickly locked in combination with a target industry, three-level traceability can be performed on an industry level, a region level and an enterprise level, dynamic and accurate traceability facing local O3 generation is realized, and the tracing efficiency is improved. Fine control of VOCs emission sources generated by local O3 is provided, and a scientific basis is provided for precise prevention and control of O3 generation.

The invention relates to the technical field of photocatalytic materials, and discloses a bismuth-doped vanadate-based environmental functional material as well as a preparation method and application thereof. The material is Bi < x > (at) Mn < 2 > V < 2 > O < 7 >, wherein x is 1-7. The bismuth element is introduced on the premise of keeping the stability of the Mn2V2O7 main body crystal phase structure, so that the regulation and control of the material electronic structure and the activation of surface reaction active sites are realized. The preparation method comprises the following steps: by taking a sacrificial template as a carrier, introducing a manganese source, a vanadium source and a bismuth source through gas-phase ion exchange reaction at 425-550 DEG C to prepare the bismuth-doped manganese vanadate photocatalytic material. The material can efficiently drive a hydrogen evolution reaction and an oxygen evolution reaction at the same time under the condition of no sacrificial agent, the generation rate ratio of hydrogen to oxygen is close to the theoretical stoichiometric ratio of 2: 1, stable photocatalytic full decomposition of water is achieved, the overall photocatalytic activity of the material can reach 27.2 times that of undoped Mn2V2O7 at most, and the unexpected technical effect is achieved; the device is suitable for the field of solar-driven clean hydrogen production.

The invention belongs to the technical field of photocatalysts, and relates to a three-dimensional ordered macroporous phosphorus-doped carbon nitride photocatalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, mixing a phosphorus source, SiO2 nanospheres and melamine, and calcining in a nitrogen atmosphere to obtain a calcined product; s2, soaking the calcined product in a sodium hydroxide solution, and then washing and drying to obtain the three-dimensional ordered macroporous phosphorus-doped carbon nitride photocatalyst. Based on the technical advantages of phosphorus-doped and three-dimensional ordered macroporous materials, the three-dimensional ordered macroporous phosphorus-doped carbon nitride photocatalyst is successfully prepared, and the three-dimensional ordered macroporous phosphorus-doped carbon nitride photocatalyst has rich active sites, enhances migration and separation of photon-generated carriers and improves the light absorption capacity, so that the catalytic activity of photocatalytic production of H2O2 is improved, and the generation rate of H2O2 is increased.

The comprehensive energy tower comprises a tower body, a distributed photovoltaic assembly is arranged on one side of the tower body through a mounting frame, the mounting frame comprises a first support and a second support, the first support and the tower body are fixedly mounted through fixing screws, and a connecting mechanism is arranged at the upper end of the side, away from the tower body, of the first support; the lower end of the first support is provided with a second support through a switching mechanism, the second support is of a U-shaped steel frame structure, the top of the end, away from the first support, of the second support is provided with an adjusting mechanism, and the distributed photovoltaic assembly is obliquely arranged on the first support and the second support through a connecting mechanism and the adjusting mechanism. By arranging a series of structures, switching supporting installation of various distributed wind-solar-electricity assemblies on the tower body is achieved, installation is firm, the inclination angle of the distributed photovoltaic assemblies is adjustable, the power generation rate of a photovoltaic panel is improved, adjustment is convenient, and installation is stable.

To provide an optical transmitter that accelerates a pulse generation rate, a quantum key distribution (QKD) system, and a quantum random number generator (QRNG), which are means for generating optical pulses with random phases.SOLUTION: A system including a QKD transmitter comprises: a laser source 103 that generates a plurality of pulses of light for output by a transmitter 101; a pump for the laser source; and a light source 117 that emits a plurality of photons via spontaneous emission. The light source is coupled to a cavity of a distributed feedback (DFB) laser 103 such that the plurality of photons emitted by the light source will seed the plurality of pulses of light generated by the laser. Each of successive pulses has a random phase.SELECTED DRAWING: Figure 1

The present invention relates to the technical field of organic optoelectronic materials, and more specifically to a carbazole indole derivative and an organic electroluminescent device thereof. The carbazole indole derivative provided by the present invention has appropriate HOMO and LUMO properties. When used as a host material for a light-emitting layer, it can effectively transfer energy to a guest material. It also has appropriate charge transfer properties, thereby improving the injection efficiency of holes and electrons into the light-emitting layer, thereby increasing the generation rate of excitons in the light-emitting layer, thereby reducing the driving voltage of the device and improving the luminous efficiency of the device. Because the material has appropriate HOMO and LUMO properties, it can be well matched with other organic functional layers, improving the interfacial transfer efficiency of charges and the interfacial stability with adjacent organic functional layers. The material itself also has excellent thermal and chemical stability, which can delay device aging and thus increase the service life of the device.