448 results about "Electron energy" patented technology

The invention discloses a lithium supplement additive and a preparation method and application thereof. The lithium supplement additive comprises a lithium sulfinate compound, and the lithium sulfinate compound contains an electron withdrawing group. An electron withdrawing group contained in the lithium sulfinate compound in the lithium supplement additive can effectively change electron cloud distribution around sulfur atoms, so that the lithium sulfinate compound is endowed with relatively high lithium supplement capacity; meanwhile, due to the existence of the electron withdrawing group, the electron energy of the lowest unoccupied molecular orbital (LUMO) of the lithium sulfinate compound is reduced, and the energy gap between the highest occupied molecular orbital (HOMO) and the LUMO of the lithium sulfinate compound is reduced, so that the lithium supplement additive can be arranged in an electrode plate to exert the lithium supplement capacity and also can be used as an electrolyte additive; and the material can participate in electrode / electrolyte interface formation.

The invention belongs to the technical field of organic electro-oxidation electrode materials, and particularly relates to a fullerene modified transition metal hydroxide nano array material as well as a preparation method and application thereof. A transition metal hydroxide nano array grows in situ on a current collector through solvothermal reaction, surface amino modification is achieved by means of grafting of a silane coupling agent with amino, and finally the transition metal hydroxide nano array material with the surface modified by fullerene is obtained through addition reaction of amino and fullerene carbon-carbon double bonds. The strong electron-withdrawing capability of the fullerene is beneficial to optimizing the surface electron structure of the material, so that the intrinsic catalytic activity is improved; meanwhile, fullerene can promote adsorption and enrichment of an organic substrate on the surface of the material through a conjugated pi bond, a hydrophobic effect and the like, so that the mass transfer efficiency is improved. Benefited from the lifting mechanism, the obtained nano array material has the advantages of high electrocatalytic activity and high mass transfer efficiency, and can be widely applied to a series of organic electrooxidation reactions.

The invention relates to the technical field of biogenic amine detection, in particular to a dicyanoethylene-based fluorescent material as well as a preparation method and application thereof. After the biogenic amine is in contact with the glass surface fluorescent probe, due to the nucleophilic characteristic of the biogenic amine, the biogenic amine can be subjected to nucleophilic substitution reaction with a probe molecule dicyanovinyl group to generate an imine chemical structure. As the electron-withdrawing capability of dicyanoethylene is stronger than that of imine, the intramolecular charge transfer effect of probe molecules is greatly reduced, so that blue shift of absorption and luminescence properties of the probe molecules is caused, and after the fluorescent probe is loaded on the surface of glass, the fluorescence intensity of the fluorescent probe is improved. The formed dicyanoethylene-based fluorescent material provides a solution for the technical problem that the existing biogenic amine detection mode is inconvenient.

The invention relates to a soft and hard X-ray confocal wide energy region photoelectron spectroscopy system, which comprises a first undulator, a second undulator and a white light deflection mirror which are arranged in sequence, and is characterized in that the first undulator provides hard X-ray light to form a first light path through which a hard X-ray beam passes; the second undulator provides soft X-ray light, the white light deflecting mirror is used for deflecting the soft X-ray light provided by the second undulator, and a second light path through which a soft X-ray beam passes is formed after deflection; a first slit, a first deflection focus lens, a first monochromator, a second monochromator and a second deflection focus lens are sequentially arranged on the first light path in the transmission direction of the hard X light beam; a second slit, a third monochromator and a third deflection focus lens are sequentially arranged on the second light path in the transmission direction of the soft X light beam; the hard X light beam deflected and focused by the second deflection focusing lens and the soft X light beam deflected and focused by the third deflection focusing lens jointly irradiate a sample, and an electron energy analyzer is arranged behind the sample.

The invention relates to a K / O co-doped and cyano-grafted graphite phase carbon nitride material as well as a preparation method and application thereof. The material comprises three defect types, namely a C-O-C bond formed by a C-N = C bond in an oxygen substituted triazine skeleton, potassium ions existing between layers and cyano groups generated by protonation of amino groups at the edge. According to the material disclosed by the invention, K ions are doped into the g-C3N4 layer to form K-N bridge connection between layers, the material can be used as an electron channel to effectively accelerate electron migration, cyano groups at the edge have relatively strong electron-withdrawing capability and can be used as sites for adsorbing hydrogen ions, and introduced oxygen can be used as active sites for producing H2O2. The three components cooperate with each other to effectively promote transmission of photo-induced electrons and separation of photo-induced electron hole pairs, so that the photocatalytic effect is remarkably improved, and the photocatalyst is an efficient photocatalyst with excellent performance.

The invention discloses a three-dimensional laser post-ionization-secondary neutron particle mass spectrometer which comprises a vacuum pool, a sample introduction system, a primary ion emission system, a three-dimensional laser post-ionization system, an ion optical system, a time-of-flight mass spectrometer, an observation system and a computer control system. By adjusting the wavelength, the frequency and the energy value of the laser, resonance between the energy of laser photons and the electron energy level of target molecules can be realized to realize selective ionization of substances, and the method has extremely high element, nuclide and molecule selectivity, can provide the sensitivity of an instrument, and can be used for mass spectrometry. The device can be applied to single-cell imaging analysis test of lipid, metabolites, small-molecule drugs and part of elements with the molecular weight smaller than 1000 Da, the problems of space metabolome small-molecule metabolite test and ultrahigh spatial resolution imaging are solved, and the device can be independently used as an SIMS when laser post-ionization is not used.

The invention discloses a method for exploring a heterogeneous catalytic reaction network based on a deep potential energy surface model, and the method comprises the steps: carrying out the accurate prediction of the free energy change of all possible element reactions on a catalyst through the combination of transfer learning and a density functional theory, and constructing a reaction network diagram based on a graph theory method; an improved Dijkstra method is used for searching a reaction network diagram to determine a reaction mechanism, and the selectivity of the catalyst is explored based on a Markov chain method. According to the technical scheme provided by the invention, when the CO2 reduction reaction mechanism on the monatomic alloy is explored, the prediction error MAE of the electron energy of each intermediate is only 0.16 eV, the calculated amount is reduced by 90%, the dominant path of the CO2 reduction reaction is visually displayed, and a new normal form is provided for complex mechanism exploration and catalyst screening.

The embodiment of the invention provides an electrolyte, a battery and electric equipment, the electrolyte comprises a lithium salt, an organic solvent and a polymer matrix, and monomers of the polymer matrix comprise vinylene carbonate and isocyanate ethyl acrylate. In the electrolyte provided by the embodiment of the invention, the monomers of the polymer matrix comprise vinylene carbonate and isocyanate ethyl acrylate, and the low HOMO energy level of isocyanate ethyl acrylate can weaken the electron loss ability of the polymer matrix and improve the oxidation stability of the electrolyte, so that the relatively poor electrochemical stability is improved; and a copolymerization structure of vinylene carbonate and isocyanate ethyl acrylate reduces the crystallinity of a polymer matrix and provides a smoother path for Li < + > transmission, so that the ionic conductivity of the electrolyte is improved. Therefore, the electrolyte provided by the invention can effectively improve the problems of low room-temperature ionic conductivity and relatively poor electrochemical stability of the existing gel electrolyte, and has a good application prospect.

The invention relates to the technical field of electron energy measurement, and discloses an electron spectrometer and an electron energy spectrum measurement method and system.The electron spectrometer comprises a magnetic deflection unit used for receiving an incident to-be-measured electron beam, generating a magnetic field and applying the magnetic field to all to-be-measured electrons in the to-be-measured electron beam; the scintillator fluorescent screen is arranged at the downstream of the magnetic deflection unit and used for receiving the deflected electrons to be detected, and the electrons bombard the scintillator fluorescent screen and generate light spots; the optical acquisition unit is used for acquiring a light spot image on the scintillator fluorescent screen; and the signal processing unit is used for processing the light spot image so as to identify the spatial position information of the light spot in the light spot image and convert the spatial position information into electronic energy data. The method has the beneficial effects that the unification of high resolution and high measurement efficiency is realized, and the problem of signal accumulation under a high counting rate of a traditional direct measurement method and the inherent defect of low efficiency of a scanning type magnetic spectrometer are overcome.

The invention belongs to the technical field of organic dye synthesis and application, and discloses a conjugated compound containing a benzothiophenazine structure as well as a preparation method and application thereof, and the conjugated compound containing the benzothiophenazine structure has excellent photophysical properties, singlet oxygen yield and superoxide anion generation capacity. The novel conjugated compounds ENBO-NI and ENBS-NI containing benzothiophenazine structures are successfully prepared by replacing a benzene ring of Nile blue with a cycloalkane structure and adjusting the electron donating ability of an R1 group. The two compounds have near infrared fluorescence emission, good solubility and relatively high ROS yield. Compared with a classical photosensitizer NB, the singlet oxygen yield of ENBO-NI is increased by about 117.65%, and the singlet oxygen yield of ENBS-NI is as high as 70%. The absorption wavelength of the conjugated compound is in a red light wave band. The preparation process is simple and efficient, large-scale production is easy, and the preparation method has a wide clinical application prospect.

The invention discloses a double-layer structure composite material with rapid photo-thermal response and high anisotropic heat conductivity ratio and a preparation method and application thereof.Graphene sheets and thermoplastic polyurethane are compounded, a melt blending processing technology is combined, and a double-nozzle FDM 3D printing technology is utilized; and the high-heat-conductivity graphene-polyurethane layer is combined with the heat-insulating pure polyurethane layer to form an anisotropic heat conduction structure. The'heat conduction-heat insulation 'double-layer design has originality in the field of heat management, and the problem that efficient heat conduction and heat retention are difficult to consider by traditional materials is solved. The unique electronic energy band structure of the graphene enables the graphene to effectively absorb light energy in a wide spectral range, so that the prepared material can realize efficient and rapid photothermal conversion. In addition, compared with a traditional material processing mode, the FDM 3D printing technology has the advantages of being low in cost, easy to operate, diversified in material, free in design degree and the like, is suitable for large-scale industrial production and has wide application prospects.

An electron propulsion engine utilizes the acceleration of electrons to propel a spacecraft through space. The acceleration of the electrons in space emits electromagnetic radiation which can be used to propel the spacecraft. The radiation emission also decelerates the electrons, which allows the decelerated electrons to be recycled for reuse by the electron propulsion engine. The electron propulsion engine includes a first engine module, a second engine module, and an engine control system. The first engine module and the second engine module correspond to two mirror structures that form the electron propulsion engine. The engine control system facilitates the automatic control of the operation of the electron propulsion engine. The first engine module and the second engine module each includes a vacuum housing. The vacuum housing of each engine module is a D-shaped structure that facilitates the acceleration of the electrons and the resulting radiation emission to propel the spacecraft.

The invention belongs to the field of fuel cells, and particularly relates to an electrode material for a fuel cell and a preparation method thereof, and the preparation method comprises the following steps: preparing polyimide containing amino POSS (Polyhedral Oligomeric Silsesquioxane); carrying out primary pyrolysis, and sequentially carrying out acid etching, cleaning and drying on a product to obtain primary carbonized polyimide; and grinding the primary carbonized polyimide, performing pyrolysis again, and sequentially performing acid etching, cleaning and drying on the product to obtain the electrode material for the fuel cell. The electrode material has a good graphite structure and a rich pore structure, so that ions and electrons can be quickly transferred in pores while the good conductivity of the material can be ensured; meanwhile, introduction of non-metal nitrogen heteroatoms can increase active sites, the electrochemical activity of the material is remarkably improved, and the material is suitable for being used as an electrode material of a fuel cell.

The invention discloses a high-performance layered nitride thermoelectric material screening method and system. The method comprises the following steps: acquiring a series of crystal structures of initial layered nitride; carrying out magnetic test on the material by utilizing first principle calculation, and selecting a non-magnetic material; carrying out structure optimization on the non-magnetic material, carrying out static calculation and electron energy band structure calculation after calculation convergence, and selecting a material with a band gap range of 0.1-3 eV and high energy band structure degeneracy; calculating partial charge density of the material, and judging whether two-dimensional electron gas exists or not, namely, alternate occurrence of a conductive layer and an insulating layer; stability judgment: carrying out phonon spectrum and molecular dynamics simulation calculation on the material, and selecting the material with phonon spectrum without imaginary frequency and stable dynamics; the heat transport performance of the material is calculated, the lattice heat conductivity and Green Ehson parameters are obtained, and the material with high non-harmony is found; and finally, carrying out electric transport calculation to obtain the ZT value of the material.

The nitride semiconductor blue laser element comprises a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer and an upper limiting layer which are sequentially arranged from bottom to top, and a topological photon electronic composite flat band layer is arranged between the lower limiting layer and the lower waveguide layer. The topological photon electron composite flat band layer has a refractive index coefficient distribution characteristic and a forbidden band width distribution characteristic. According to the invention, an electron energy band and a photon energy band form high-dimensional line degeneracy in a momentum space, the interaction intensity of free electrons and photons is enhanced, the phase mismatch of the free electrons and the photons is overcome, the radiation intensity of the free electrons is excited, the free electron coupling light quantum efficiency is improved, and full energy-momentum matched flat band resonance is realized. Laser far-field radiation is enhanced, and laser mode gain and optical power are improved.

The invention relates to a dimer non-fullerene acceptor molecule based on a pyrone-ring lock structure, preparation of the dimer non-fullerene acceptor molecule and application of the dimer non-fullerene acceptor molecule as an acceptor photovoltaic material, and belongs to the technical field of organic solar cell materials. An A-D-A '-D-A type dimer non-fullerene acceptor molecule is designed and synthesized based on a pyrone structure, A is an electron withdrawing unit, D is an electron donating unit, and A' is an electron withdrawing unit based on the pyrone structure. The dimer molecule has a structural general formula I shown in the specification. Wherein EG is selected from conjugated groups with electron withdrawing capability, Ar is selected from conjugated groups with electron donating capability, and X is selected from hydrogen atoms or halogen. The dimer acceptor molecule shows a small dihedral angle, which is beneficial to accumulation between molecules, so that the material has high carrier mobility. The dimer acceptor molecule with the pyrone structure shows obviously improved stability under illumination and attack of a nucleophilic reagent, and the organic solar cell device shows good photoelectric conversion efficiency.

The invention relates to a method for processing an optical element, comprising the steps of: determining a wavefront of an optical system, and irradiating the optical element with electrons depending on the determined wavefront of the optical system. The invention further relates to a method for processing an optical element, comprising: determining the shape of the surface of the optical element and irradiating the optical element with electrons depending on the determined shape of the surface of the optical element. The objective of providing methods for processing an optical element that allow for rapid processing and with which larger amplitude corrections can be implemented without (significantly) altering the coating is achieved by performing the irradiation with a first electron energy E1 and at least one further electron energy E2.Furthermore, the invention relates to an optical element processed using one of the methods according to the invention, an optical system, in particular a projection system, for microlithography with such an optical element, a semiconductor technology system, in particular a projection exposure system, with such an optical system, in particular a projection system, and a device for electron irradiation, in particular for carrying out the methods according to the invention.

The invention discloses a B-site high-entropy solid oxide electrolytic cell cathode material and a preparation method and application thereof, the cathode material is of an A2B2O6 type high-entropy perovskite structure, and the chemical formula of the cathode material is Sr2FeTi < 0.2 > Cr < 0.2 > Mn < 0.2 > Mo < 0.2 > Co < 0.2 > O < 6 >. The cathode material is an electron and ion mixed conductor and has good conductivity, the ion radiuses of B-site elements are close, the ion size difference is small, and a stable single-phase structure can be formed easily. The Sr2FeTi0. 2Cr0. 2Mn0. 2Mo0. 2Co0. 2O6 high-entropy perovskite material can transmit oxygen ions and electrons at the same time, can effectively reduce the polarization resistance of a cathode of an oxygen ion conduction type solid oxide electrolytic cell, improves the electrolytic current density of the electrolytic cell, can keep good structural stability in a pure carbon dioxide atmosphere, and can effectively enhance the output stability of the cell.

The invention relates to a nitrogen-containing bowl-shaped conjugated pH-responsive fluorescent probe and a preparation method and application thereof, the nitrogen-containing bowl-shaped conjugated pH-responsive fluorescent probe is characterized in that the structural formula of the nitrogen-containing bowl-shaped conjugated pH-responsive fluorescent probe is # imgabs0 #, and R is hydrogen, acetyl or p-toluenesulfonyl. Compared with the prior art, the nitrogen-containing bowl-shaped conjugated molecule provided by the invention shows a highly sensitive response characteristic in an acid-base medium. Due to the introduction of nitrogen atoms, the electronic structure of molecules is obviously changed, lone pair electrons of the nitrogen atoms can participate in the reaction, and the protonation behavior is obvious under the acidic condition. After protonation, the fluorescence intensity of the molecule is obviously enhanced, and the emission wavelength has obvious red shift, so that the probe has important application value in the aspect of developing a high-sensitivity acid-base sensor. In addition, the nitrogen-containing polycyclic aromatic hydrocarbon compound also shows application prospects in the fields of organic light-emitting diodes, information safety, biological imaging and the like.

The invention belongs to the technical field of fluorescent probes, and discloses a fluorescent probe based on BODIPY targeted lipid droplets and application of the fluorescent probe. The structural formula of the fluorescent probe for targeting the lipid droplets is as follows: # imgabs0 # is as follows: due to strong electron withdrawing capability and relatively large steric hindrance of ester groups, the ester groups of the probe can rotate in an excited state, so that energy is lost through non-radiative transition, and fluorescence quenching is caused. The ester group of the probe can rotate in an excited state due to the strong electron withdrawing capability and large steric hindrance of the ester group, so that energy is lost through non-radiative transition, and fluorescence quenching is caused. And due to the introduction of the ester group, the fat solubility of the BODIPY dye is further enhanced, so that the lipid droplet targeting property of the probe is effectively improved, and no-wash imaging of lipid droplets is realized.

The invention discloses a perovskite type catalyst for ammonia decomposition reaction and a preparation method thereof, the catalyst comprises an active component and a carrier, the active component is rare metal Ru, and the carrier is Al doped perovskite type oxide BaCe1-xAlxO3. Wherein Al replaces a perovskite type oxide part Ce, so that the electronic structures of the carrier and the Ru nano-particles can be changed, the electron donating capability of the carrier is improved, the metal-carrier interaction is enhanced, and activation of NH3 and dissociation of N2 are promoted; in addition, the doping also changes the stoichiometric ratio of the perovskite type oxide, oxygen vacancies are generated in crystal lattices, and the oxygen vacancies can significantly improve the transfer rate of charges from the carrier to the active metal, so that the Ru nanoparticles are activated. The ammonia decomposition reaction rate of the catalyst is improved by enhancing metal-carrier interaction and increasing the number of oxygen vacancies in crystal lattices, so that the catalyst shows excellent ammonia decomposition catalytic activity.

The utility model relates to the technical field of solar power generation, and discloses a solar cell, and an assembly and a system comprising the same. The solar cell comprises a silicon substrate layer, a tunneling layer, a first doped polycrystalline silicon layer, a texturing layer, a first electrode and a second electrode, according to the cell, the first groove is formed in the side, away from the silicon substrate layer, of the tunneling layer, and the first groove and the metal contact area are correspondingly arranged in the first direction, so that it is guaranteed that the tunneling layer at the position corresponding to the metal contact area is thin, and therefore it is guaranteed that electrons can tunnel smoothly; the thickness of the tunneling layer at the position corresponding to the non-metal contact area does not need to be the same as that of the tunneling layer at the position corresponding to the metal contact area, so that the tunneling layer at the position corresponding to the non-metal contact area is not easy to damage, and in addition, the texturing layer is beneficial to light transmission of the back surface of the cell, so that light energy absorption is facilitated, and the service life of the cell is prolonged. And the photoelectric conversion efficiency of the cell is improved.

The invention discloses a nanosecond pulse hollow cathode electron beam current evaluation system, which aims at the problem of limited capacity of a current satellite communication channel, researches a nanosecond pulse high-current electron beam for driving a terahertz radiation source, and measures electron beam current and energy density distribution. The device is fixed on a four-axis motion platform through a Faraday cup with a slit hole, and the four-axis platform comprises an x axis, a y axis, a z axis and an R axis. Under the driving of the four-axis platform, the nanosecond time response Faraday cup can rotate around the z axis and sweep the section of the electron beam at a certain rotation angle in the direction perpendicular to the slit, and accordingly parallel projections of the electron beam at different angles are obtained. And current density distribution of a certain section of the electron beam is obtained through a filtering back projection algorithm program of the computer. On the basis, the three-dimensional density distribution of different energy electrons is obtained by changing the axial distance and the electron energy screening voltage, and then the time-space domain distribution of the electron beam energy density is obtained.

The invention belongs to the technical field of singlet oxygen generation, and discloses an efficient singlet oxygen generation photosensitizer based on nitrogenous aliphatic ring size regulation and a theoretical calculation design method. A donor is introduced to the meso site of stilbene-BODIPY, the ring tension of the stilbene-BODIPY is effectively changed by adjusting the size of a nitrogen-containing ring, and the larger the ring tension is, the more unstable the molecule is, so that the oxidation potential of the donor is reduced, and the electron donating ability of the stilbene-BODIPY is further improved. The donor with stronger electron donating ability can obviously improve the intersystem crossing efficiency of photosensitizer molecules, thereby improving the quantum yield of singlet oxygen. According to the donor designed by the invention, the electron donating capability of the donor can be enhanced by adjusting the size of the nitrogen-containing aliphatic ring, the spin-orbit coupling is increased, and intersystem crossing is promoted. The calculation result shows that the photosensitizer has lower oxidation potential, smaller single triplet state energy gap, larger spin-orbit coupling coefficient and higher intersystem crossing rate, and shows more excellent potential in the field of singlet oxygen generation.

The utility model relates to a diagnostic imaging system and a radiation detector thereof. The radiation detector comprises an anode assembly, a cathode assembly, a conversion assembly and an irradiation assembly. In the diagnostic imaging system, radiation penetrates through the cathode assembly and reaches the conversion assembly, visible light and / or infrared light are / is emitted through the irradiation assembly to irradiate the conversion assembly, so that the radiation can be converted into electrons and holes in the conversion assembly, the electrons can be collected by the anode assembly, and the electrons are collected through the anode assembly. Therefore, the number change of electrons can be detected at the contact position of the signal generator and the anode assembly, the electrons can be converted into radiation site signals, radiation penetrating through a to-be-imaged object is detected, the transparent electrode is transparent to infrared light and / or visible light, the photoinduced quantum yield is increased, and the imaging quality is improved. The above effects improve the stability of the radiation detector in a radiation use environment.

The invention discloses a nitrogen-doped carbon-coated ternary nanoneedle array material, a preparation method thereof and application of the nitrogen-doped carbon-coated ternary nanoneedle array material in electrolysis of hydrazine hydrate, and belongs to the technical field of energy catalysis. The material comprises a substrate, a ternary nanoneedle array growing on the surface of the substrate and a nitrogen-doped carbon material loaded on the surfaces of the ternary nanoneedle array and the substrate, the ternary nanoneedle is composed of any three of iron, cobalt, copper, nickel and manganese. According to the NC-loaded ternary nanoneedle array provided by the invention, enrichment of active sites and enhancement of intrinsic activity are realized through cooperation of NC and the ternary nanoneedle array, and the conductivity of the ternary nanoneedle array can be effectively improved. For a hydrogen evolution reaction and an oxygen evolution reaction, electrons can be quickly transferred between the surface of the catalyst and a reaction intermediate, so that the reaction rate is accelerated. Meanwhile, the coating structure enables water molecules to be adsorbed and activated on the surface of the catalyst more easily by adjusting adsorption energy, so that the HzOR catalytic activity is promoted.

The invention provides a medium manganese steel oxygen vacancy defect identification method and device. The method comprises the following steps: obtaining a first oxygen vacancy defect area based on a measurement result of a positron annihilation lifetime spectrum and a Doppler broadening spectrum on a target sample block; aiming at each ultra-thin sample, observing the ultra-thin sample through a high-resolution transmission electron microscope, and collecting a bright field image and a dark field image of the ultra-thin sample; obtaining a second oxygen vacancy defect area based on the bright field image, the dark field image and the first oxygen vacancy defect area; performing electron energy loss spectrum analysis on the second oxygen vacancy defect area, and determining a third oxygen vacancy defect area and corresponding oxygen vacancy defect concentration in the ultrathin sample; and determining each target oxygen vacancy defect region and oxygen vacancy defect concentration of the target medium manganese steel sample according to the third oxygen vacancy defect region and oxygen vacancy defect concentration in each ultrathin sample. According to the invention, information such as position, number, size and distribution pattern of oxygen vacancy defects can be accurately obtained.

The invention provides an oligomeric micromolecule donor compound as well as a preparation method and application thereof. The oligomeric small molecule donor compound belongs to a brand-new long conjugate organic small molecule donor material containing a connecting unit, two or more efficient organic small molecule donors are combined into a whole, the conjugate length is prolonged, and a series of novel oligomeric small molecule donor materials are synthesized. The oligomeric small molecule donor compound disclosed by the invention has good batch repeatability and relatively good film-forming property; the oligomeric small molecule donor compound prolongs the conjugate length, has excellent ultraviolet-visible light absorption performance, has strong interaction and aggregation among molecules, can realize good phase separation from a non-fullerene receptor, has a proper electron energy level, and is suitable for being used as an electron donor material in an organic solar cell.

The invention discloses a battery electron level large-scale generalized eigenvalue problem solving method and system, and the method comprises the steps: constructing a generalized eigenvalue problem according to a Hamiltonian matrix # imgabs0 # and an overlapping matrix # imgabs1 # of battery material molecules; constructing linear equations in parallel on all integral nodes based on the search interval # imgabs2 #, performing solving under a low-precision scale, and constructing an iteration subspace Q by using a solving result; then performing Rayleigh-Ritz iteration updating on the iteration subspace Q under the low-precision scale and the high-precision scale in sequence to construct a right end item of a new linear equation set until the precision under the low-precision scale and the precision under the high-precision scale meet the requirements, and finally summarizing calculation results of all the sub-search intervals to obtain the electron energy level and the electron wave function of the battery material. The method aims at improving the calculation speed and solving performance of solving the large-scale generalized eigenvalue problem of the electronic level of the battery, and improving the calculation efficiency of the electronic level of the battery.

The utility model provides an electric strengthening constructed wetland and relates to the technical field of constructed wetlands. The device comprises a plurality of groups of wetland units, wherein each wetland unit comprises a subsurface flow constructed wetland pool body; the packing layer is laid in the subsurface flow constructed wetland pool body, and the electrode layer is laid in the packing layer; the subsurface flow constructed wetland pool body is internally divided into a plurality of grids through a plurality of partition walls, the plurality of partition walls are alternately arranged in the subsurface flow constructed wetland pool body in a high-low mode in the water inlet direction and the water outlet direction respectively, and the adjacent grids are communicated through the lower portion of the partition wall at the high position or the upper portion of the partition wall at the low position. On the whole, multi-stage reoxygenation of sewage is achieved, and then the electron obtaining capacity of the subsequent electrode layer and the degradation effect of ammonia nitrogen and refractory organic matter pollutants on the anode layer are enhanced.