42results about "Lead organic compounds" patented technology

The present disclosure relates to a perovskite system comprising a perovskite film including perovskites having a three-dimensional heterostructure of formula ABX3 characterized by a tetragonal perovskite surface. A comprises at least one of methylammonium, formamidinium, cesium, or guanidinium. B is Pb or Sn. X comprises at least one of I, Br, or Cl. The perovskite system further comprises an interfacial capping layer including anilinium-based surface-capping ligands, the ligands being distributed at the tetragonal perovskite surface of the perovskite film and non-reactive with the perovskites, as determined by time-of-flight secondary ion mass spectrometry. Also described are methods of preparing the perovskite system, and solar cells or modules comprising the perovskite system.

Disclosed herein are compounds that target carbonic anhydrase 9 (CA IX) (such as compounds of structural formula (I) or (II) wherein values for variables are as described herein) and methods for the prevention and / or treatment of certain cancers, including solid tumors, using such compounds. Also disclosed herein are pharmaceutically acceptable salts of such compounds and pharmaceutical compositions comprising such compounds or salts for use in such methods of preventing or treating cancers.

A solar cell 10 according to the present disclosure comprises a first electrode 2, a photoelectric conversion layer 4, a hole transport layer 5, and a second electrode 6. The photoelectric conversion layer 4 contains a perovskite compound. The hole transport layer 5 includes a supporting salt material and a supporting salt dispersion material. In the solar cell 10, a value obtained by dividing a substance amount of the supporting salt dispersion material by a substance amount of the supporting salt material is greater than 0 and equal to or less than 0.4.

Photoactive materials comprising organic-inorganic hybrid halide perovskite compounds are provided. Photovoltaic cells and light-emitting devices incorporating the photoactive materials into their light-absorbing and light-emitting layers, respectively, are also provided. The halide perovskites have an amAMX3 perovskite crystal structure, wherein am is an alkyl diamine cation, an aromatic diamine cation, an aromatic azole cation, a cyclic alkyl diamine cation or a hydrazinediium cation; A is a monovalent alkylammonium cation or an alkali metal cation; X is a halide ion or a combination of halide ions; and M is an octahedrally coordinated bivalent metal atom.

The invention provides a quasi-two-dimensional perovskite material, a perovskite solar cell and a preparation process. The structural general formula of the quasi-two-dimensional perovskite material is L2BX4, the L2BX4 is obtained through reaction of LX and BX2, X-site ions in the LX and the BX2 are halide ions, and B-site ions in the BX2 are divalent cations; the structural general formula of the LX is the general formulas I-IV provided by the invention; the quasi-two-dimensional perovskite material provided by the invention has relatively high stability and excellent photoelectric property, so that the perovskite solar cell prepared from the quasi-two-dimensional perovskite material shows relatively high stability and excellent photoelectric property.

Disclosed herein are compounds that target carbonic anhydrase 9 (CA IX) (such as compounds of structural formula (I) or (II) wherein values for variables are as described herein) and methods for the prevention and / or treatment of certain cancers, including solid tumors, using such compounds. Also disclosed herein are pharmaceutically acceptable salts of such compounds and pharmaceutical compositions comprising such compounds or salts for use in such methods of preventing or treating cancers.

The present invention provides quantum dot (QD)-in-matrix materials for use in blue light emitting diodes, wherein the QD-in-matrix material comprises a plurality of quantum dots embedded in a doped lead perovskite matrix.

The invention provides a lead halide perovskite seed crystal and a preparation method thereof, and a lead halide perovskite microcrystal and a preparation method thereof. The preparation method of the lead halide perovskite seed crystal comprises the following steps: mixing a pseudo-halogen additive, first AX, first BX2 and a first solvent to form first sol, and heating the first sol to separate out crystals to obtain the lead halide perovskite seed crystal. The microcrystal is prepared by using the seed crystal as a raw material through slow heating crystallization. According to the method provided by the invention, the crystallization quality can be improved while the crystallization speed is increased.

A method of preparing a reprocessed perovskite compound, a reprocessed perovskite compound prepared thereby, and a perovskite device and a solar cell including the same. The preparation method can reduce the manufacturing cost of products in which a perovskite device is used by restoring a degraded perovskite compound, and can minimize environmental pollution associated with disposal of perovskite compounds containing heavy metals. Furthermore, high-quality perovskite devices and solar cells can be provided by using the reprocessed perovskite compound prepared by the preparation method.

The invention relates to a perovskite precursor solution, a perovskite thin film, a perovskite battery, and a power consumption device. The perovskite precursor solution contains a surfactant, the structure of which comprises a hydrophilic group, a hydrophobic group, and a first functional group, the first functional group being a Lewis base containing a lone pair of electrons, and the lone pair of electrons being located on at least one of the N atom and S atom.

The present invention relates to a hybrid material comprising a perovskite and a singlet fission compound. The hybrid material comprises layers of the perovskite in which the singlet fission compound occupies an interlayer space of the perovskite structure. The hybrid material may be useful as a semiconductor, e.g., in a photovoltaic cell. Also disclosed are processes for preparing the hybrid material and components comprising the hybrid material, such as a photovoltaic cell.

Disclosed are compounds of the formula: wherein X, L1, R, R1, Z, R2a, R2b, L2, Y, R3a, R3b, and q are as described herein, pharmaceutically acceptable salts thereof, and methods of using these compounds and pharmaceutically acceptable salts thereof for treating patients for cancer.

The present invention provides a thin film comprising a perovskite halide represented by chemical formula 1.         [Chemical formula 1]     AB(BrxCly)3 wherein, A is a monovalent cation consisting of a combination of NH2CHNH2+ (formamidinium, FA), CH3NH3+ (methyl ammonium, MA) and Cs+, wherein FA is included in an amount of 0.2 - 0.8 moles with respect to 1 mole of the monovalent cation, B is at least one divalent cation selected from Pb2+, Sn2+, Ge2+, Ti2+, Zr2+, Mn2+, Ni2+, Fe2+, Zn2+ and Cu2+, and x and y satisfy 0.5≤x≤0.8, 0.2≤y≤0.5, and x+y=1.

To improve perovskite material durability and efficiency.SOLUTION: A perovskite material has: a perovskite crystal lattice having the general formula of CxMyXz; and 1,4-diammonium butane cations disposed within or at a surface of the perovskite crystal lattice. In the formula, x, y and z are real numbers; C has one or more cations selected from the group consisting of Group 1 metals, Group 2 metals, ammonium, formamidinium, guanidinium, and ethene tetramine; M has one or more metals each selected from the group consisting of Be, Mg, Ca, Sr, Ba, Fe, Cd, Co, Ni, Cu, Ag, Au, Hg, Sn, Ge, Ga, Pb, In, Tl, Sb, Bi, Ti, Zn, Cd, Hg, Zr and combinations thereof; and X has one or more anions each selected from the group consisting of halides, sulfides, selenides, and combinations thereof.SELECTED DRAWING: Figure 1

A photovoltaic device (6500) comprising: a thin film perovskite material comprising formamidinium lead iodide (FAPbI3) (6504) wherein the FAPbI3 has a cubic crystal structure and is in contact with a thin-film interfacial layer.

The present invention provides a method for producing perovskite luminescent particles with a low FWHM and a PLQY exceeding 85%, even when the emission peak wavelength is 535 nm or higher. [Solution] The process of preparing a solution involves dissolving lead bromide, an organic acid, and an amine in a solvent, and controlling the process temperature T (°C) and process time t (seconds).

To provide a perovskite material with improved durability and efficiency. [Solution] The perovskite crystal lattice has the general formula CXMYXZ and a 1,4-diammonium butane cation disposed inside or on the surface of the perovskite crystal lattice, where X, Y, and Z are real numbers. C has one or more cations selected from the group consisting of Group 1 metals, Group 2 metals, ammonium, formamidinium, guanidinium, and ethenetetramine. M has one or more metals selected from the group consisting of BE, MG, CA, SR, BA, FE, CD, CO, NI, CU, AG, AU, HG, SN, GE, GA, PB, IN, TL, SB, BI, TI, Zn, CD, HG, ZR, and combinations thereof. X has one or more anions selected from the group consisting of halides, sulfides, selenides, and combinations thereof.

This invention discloses a D-J type two-dimensional perovskite LPbI4 single crystal based on organic ligands of different chain lengths, its preparation method, and its luminescence control method, belonging to the technical field of lead halide perovskite materials. The growth process of the two-dimensional perovskite LPbI4 single crystal is controlled by adjusting the raw material ratio, reaction heating temperature, and annealing temperature and time, ultimately producing a two-dimensional D-J type perovskite LPbI4 single crystal with n=1. This preparation method introduces defects, achieving bicolor emission even without doping. Furthermore, the emission color can be controlled by pulsed excitation light with different power densities or pulse frequencies. The emission color continuously changes from blue to red with increasing excitation pulse power or frequency, and the emission color is reversible. The synthesis process is simple, environmentally friendly, and produces little pollution. It yields high crystal quality, more regular single crystal shape, and a convenient method for controlling the emission color.

A perovskite material that has a perovskite crystal lattice having a formula of CxMyXz, where x, y, and z, are real numbers. Bulky organic cations reside near a surface or a grain boundary of the perovskite crystal lattice. C includes one or more cations selected from the group consisting of Group 1 metals, Group 2 metals, methylammonium, formamidinium, guanidinium, and ethene tetramine. M includes one or more metals each selected from the group consisting of Be, Mg, Ca, Sr, Ba, Fe, Cd, Co, Ni, Cu, Ag, Au, Hg, Sn, Ge, Ga, Pb, In, Tl, Sb, Bi, Ti, Zn, Cd, Hg, and Zr and combinations thereof. X includes one or more anions each selected from the group consisting of halides, sulfides, selenides, and combinations thereof.

The invention discloses a crystal, a preparation method thereof and application of the crystal as a blue fluorescent scintillation material, and belongs to the field of luminescent crystals. The chemical formula of the crystal is as follows: [Pb (ADBA) (DMF)] n, wherein ADBA is a ligand formed by completely removing proton hydrogen from 9, 10-di (4-carboxyl phenyl) anthracene; the DMF is N, N-dimethyl formamide; n is infinity and represents continuous repetition and infinite extension. As a blue fluorescent scintillation material, the crystal shows macroscopic blue fluorescence under ultraviolet light and X-ray irradiation, and has potential application value in blue fluorescent materials, X-ray radiation detection materials and radiation detection dosimeters.

Embodiments relate to methods of forming a halide perovskite crystal. The method involves dispersing a halide perovskite material exhibiting a perovskite crystallographic lattice into a solution. The solution can include amine and a volatile solvent. The method involves forming a metastable intermediate state via amine molecules inserting into the perovskite crystallographic lattice. The method involves transitioning the perovskite material to a photo-sensitive phase via escape of the amine molecules from the perovskite crystallographic lattice. The method involves transitioning the metastable intermediate state to a halide perovskite crystal film.

A method of preparing a reprocessed perovskite compound, a reprocessed perovskite compound prepared thereby, and a perovskite device and a solar cell including the same. The preparation method can reduce the manufacturing cost of products in which a perovskite device is used by restoring a degraded perovskite compound, and can minimize environmental pollution associated with disposal of perovskite compounds containing heavy metals. Furthermore, high-quality perovskite devices and solar cells can be provided by using the reprocessed perovskite compound prepared by the preparation method.

The present invention controls a process temperature T (°C) and a process time t (second) with which preparation of a solution is carried out by dissolving lead bromide, an organic acid, and an amine in a solvent.

The application provides a large-area perovskite layer and a preparation method thereof, and the preparation method comprises the following steps: dissolving raw materials for forming the perovskite in an ionic liquid or a mixture of the ionic liquid and an organic solvent to form a perovskite precursor, and coating the perovskite precursor on the surface of a crystalline silicon bottom cell to obtain the perovskite layer. According to the application, the raw materials for forming the perovskite are dissolved in the ionic liquid or the mixture of the ionic liquid and the organic solvent to form the perovskite precursor, so that the influence of water and oxygen in the air on the perovskite precursor is reduced, and the preparation of the perovskite layer can be carried out in an air atmosphere. Furthermore, in combination with the coating mode, the large-area perovskite layer can be prepared, and the application is suitable for industrial production.

The present application provides a large-area perovskite layer and a preparation method thereof. The preparation method includes: dissolving raw materials of a perovskite in an ionic liquid or in a mixture of the ionic liquid and an organic solvent, thereby forming a perovskite precursor, and coating the perovskite precursor onto a surface of a crystalline silicon bottom cell, thereby forming the perovskite layer.

Title: Compounds for complexing rare earth elements and / or s-, p-, d-block metals, their coordination compounds, peptide conjugates, methods for their preparation and their uses The present invention relates to compounds of general formula (I), [Formula 1] JPEG2024533430000465.jpg31169 where Y is nitrogen or N-oxide and R 1 is hydrogen; halogen; hydroxyl; azide; amine; trifluoromethyl; -COO-alkyl; -CH2CH(OMe)2; -SH; -SO3H; -SO2Ar (where Ar is phenyl); NO2; [Case 2] JPEG2024533430000466.jpg7169 ;C6~C 10 Aryl (optionally substituted with -NH2, -NO2, -N, -COOH, -CH2Cl and / or -CH2COOH); C7-C 10 arylalkyl (optionally substituted with -NH2, -NO2, -COOH, -CH2Cl, and / or -CH2COOH); R 2 is an azide group; or [C3] JPEG2024533430000467.jpg9169 (wherein n is an integer ranging from 1 to 3); A is H;-(CH2) n COOH; -CH(CH3)COOH; -CH2P(=O)(OR)2 (where R is H or alkyl); -CH((CH2) n COOH)COOH;-CH((CH2) n -NH2)COOH, where n is an integer from 1 to 3; -CH2C(=O)(NH2); -CH2C(=O)(NH)-CH2COOH; -CH2P(=O)(OH)(Ar), where Ar is phenyl optionally substituted with C1-C6 alkyl; Z is [C4] JPEG2024533430000468.jpg60169 selected from the group consisting of; R 3 teeth, [C5] JPEG2024533430000469.jpg6169 And R 4 is H; halogen; piperidinyl; trimethylsilyl; triisopropylsilyl; phenyl; C1-C6 alkyl; C3-C6 cycloalkyl; -CF3; -(CH2) n NH2;-(CH2) n NHFmoc;-(CH2) n NHBoc;adamantyl; [C6] JPEG2024533430000470.jpg7169 R 5 is R 1 ,or, [C7] JPEG2024533430000471.jpg6169 and / or R 2 and R 3 Both, forming a 1,2,3-triazole group; with the proviso that at most one A is H. The invention further relates to coordination compounds thereof, peptide conjugates thereof, methods for their preparation and their use.

The invention relates to a high-stability perovskite thin film and a preparation method thereof. The component of the thin film is A (FA) < n-1 > Pbn I < 3n + 1 >, a is a functional group organic cation with ammonium groups at two ends, and FA < + > is a formamidine cation; n is equal to 60 to 80; wherein the film is of a bulk phase two-dimensional / three-dimensional composite structure; in the preparation process, a very small amount of divalent DJ type iodized organic ammonium salt is added into a pure three-dimensional perovskite precursor component, the divalent DJ type iodized organic ammonium salt and [PbX6] < 4-> octahedron form strong hydrogen bonds and coordinate bonds, and pure-phase two-dimensional DJ-phase perovskite is constructed; and performing low-voltage auxiliary treatment on the precursor film on the substrate to form a high-quality intermediate phase, and heating to obtain the bulk phase two-dimensional / three-dimensional perovskite film. The method is low in cost and compatible with large-area preparation, the product can be applied to various photoelectric devices such as solar cells, photoelectric detectors and light emitting diodes, and the application prospect is very wide.

This invention discloses a lead-based molecular ferroelectric and its preparation method. The general chemical formula of the lead-based molecular ferroelectric is A₂PbQ₄, where A is an organic ligand such as 1,4-diaminobutane, 1,5-diaminopentane, 1,6-diaminohexane, or 1,8-diaminooctane, and Q is a halogen such as Cl, Br, or I. This invention prepares the lead-based molecular ferroelectric through a simple hydrothermal synthesis method. In the material structure, each Pb atom coordinates with six Q atoms to form a slightly distorted PbQ₆ octahedron. The PbQ₆ octahedrons are connected by shared vertices to form octahedral layers. The A cations are intercalated in the interlayer spaces to form a layered structure. The PbQ₆ octahedral distortion caused by the organic ligands is the source of the ferroelectricity exhibited in the sample. This molecular ferroelectric exhibits significant ferroelectric photovoltaic properties and can be widely used in next-generation optoelectronic devices, possessing high economic value and broad application prospects in information storage, ferroelectric photovoltaics, and other fields.