63results about "Lead organic compounds" patented technology

The invention refers in a first aspect to self-supporting film comprising green luminescent crystals (1), red luminescent crystals (2), and a polymer (3). The green luminescent crystals (1) are perovskite crystals. The red luminescent crystals (2) are zincblende or wurzite, preferably zincblende, crystals. A second aspect of the invention refers to a solid polymer composition (100). A third aspect of the invention refers to a light emitting device comprising either the solid polymer composition (100) or the self-supporting film.

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.

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. In the present application, the raw materials of the perovskite are dissolved in the ionic liquid or in the mixture of the ionic liquid and the organic solvent to form the perovskite precursor, reducing an influence of ambient moisture and oxygen on the perovskite precursor, allowing for the preparation of the perovskite layer in an air atmosphere, and further in combination with the coating method, allowing for the preparation of the large-area perovskite layer, which is suitable for an industrial production.

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.

The present invention relates to the field of radioactive drugs, specifically to radionuclide-labeled boron-containing drugs and their preparation methods. The boron-containing drugs are obtained by labeling them with at least one radionuclide, and the boron-containing drugs are obtained by polymerization of dopamine and its derivatives with boron-containing compounds. The radionuclide-labeled boron-containing drugs of the present invention have tumor-targeting properties. A method for labeling a radionuclide to a boron-containing drug via complexation or covalent bonding is also provided.

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 present disclosure relates to a low-dimensional perovskite single crystal, a low-dimensional / three-dimensional perovskite film, a perovskite solar cell and a preparation method, the low-dimensional perovskite single crystal is synthesized by using an organic spacer molecule benzimidazole or a derivative thereof, thereby widening the variety range of low-dimensional perovskite; meanwhile, the low-dimensional perovskite single crystal is applied to three-dimensional perovskite material, the three-dimensional perovskite material is modified, a low-dimensional / three-dimensional perovskite film with higher crystallinity and stronger hydrophobicity is prepared, the low-dimensional / three-dimensional perovskite film is used as a light-absorbing layer of a perovskite solar cell, and finally the purpose of improving the energy conversion efficiency of the perovskite solar cell is achieved.

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.

The present application relates to a metal organic framework (MOF) glass composite comprising metal halide perovskite, and a method for its preparation.

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.

Phosphor compositions and associated systems, devices, and methods are disclosed herein. Exemplary phosphor compositions can comprise a chemical formula of one of M:ABX3, M:AB2X5, M:A4BX6, M:C2DX5, or M:A2CDX6, M:A8CDX12, or M:A2C2D2X10, wherein A, B, C, D, and M are cations, and X is an anion. "A" comprises lithium (Li+), sodium (Na+), potassium (K+), rubidium (Rb+), caesium (Cs+), methylammonium, formamidinium, guanidinium, or mixtures thereof, and "M" comprises yttrium (Y3+), Lanthanum (La3+), cerium (Ce3+), praseodymium (Pr3+), neodymium (Nd3+), promethium (Pm3+), samarium (Sm3+), europium (Eu3+), gadolinium (Gd3+), terbium (Tb3+), dysprosium (Dy3+), holmium (Ho3+), erbium (Er3+), thulium (Tm3+), ytterbium (Yb3+), lutetium (Lu3+), scandium (Sc3+), iron (Fe3+), aluminum (Al3+), vanadium (V2+), chromium (Cr2+), manganese (Mn2+), bismuth (Bi3+) or mixtures thereof.

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).

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.

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.

Methods of making a two-dimensional perovskite, a two-dimensional perovskite composition are disclosed. The two-dimensional perovskite comprises: a layered material having the formula (I) (A')(A)n-1MnX3n+1, where A' is an organic cation selected from the group consisting of butyl ammonium, 3-(aminomethyl)piperidium (3-AMP), 4- (aminomethyl)piperidium, and combinations thereof; A is a perovskitizer-cation selected from the group consisting of formamidinium (FA), guanidinium, dimethylamine, cesium, and combinations thereof; M is a divalent metal selected from the group consisting of Pb, Ge, Sn, Cu, and combinations thereof; X is a halide selected from the group consisting of I, Br, Cl, F, and combinations thereof; and n is greater than or equal to 2. The layered material comprises alternating layers of a first type and a second type, where the first type comprises the organic cation (A') and the second type comprises a hybrid anion having the formula (II) (A)n-1MnX3n+1, and the layered material has a tetragonal crystal structure with space group symmetry P4 / mmm.

The invention relates to a new crystalline composition comprising low-dimensional perovskite structures incorporating metal complexes. Each crystalline unit cell is characterized by a defined empirical formula, and the metal complexes act as linkers between inorganic layers, contributing to the formation of low-dimensional perovskite arrays. The composition enables the creation of various low-dimensional perovskite structures, including 0D, 1D, and 2D configurations. The metal complexes exhibit various physicochemical properties, offering applications in catalysis, electronics, optics, quantum computing, drug delivery, and more. The fabrication methods include a variety of technological processes, making it adaptable to different formats and applications.