6 results about "Mercapto compound" patented technology

The application provides a perovskite work function regulator, a perovskite solar cell and a preparation method and application thereof, the perovskite work function regulator contains a mercapto compound; the mercapto compound has a mercapto functional group. The perovskite work function regulator has a simple structure, and the cost is also lower compared with a p-type dopant in the prior art. Moreover, the perovskite work function regulator is a small molecule containing a mercapto functional group, and the compatibility with a perovskite precursor solution is higher; the strong interaction between Pb and S can change the work function of the perovskite material, meanwhile, the mercapto group can be oxidized in the air to generate corresponding disulfide, and this process realizes the large-scale regulation of the work function of the perovskite and brings the improvement of the open-circuit voltage of the cell.

The application discloses a capturing device suitable for capturing rare cells and a preparation method thereof. The capturing device suitable for capturing rare cells comprises a substrate with at least a metal surface layer, a coating layer arranged on the surface of the substrate and a capturing agent connected to the coating layer, the capturing agent can specifically combine with target rare cells, and the coating layer comprises mercapto polyethylene glycol carboxyl and a mercapto compound. The application can reduce non-specific adsorption of background cells and proteins, and improve the purity of captured target cells.

The invention relates to the technical field of coatings, in particular to a photocuring hub coating and a preparation method thereof. The invention overcomes the problems of low yield and poor aging resistance of photocureable coatings in the prior art. The preparation method comprises the following steps: preparing modified acrylic resin by taking isophorone diisocyanate, tricyclodecane dimethyl carbinol, trimethylolpropane, fluorine-containing alcohol and hydroxyethyl acrylate as raw materials; dispersing the silane modified nano aluminum oxide into a monomer to prepare a dispersed filler; the modified acrylic resin, the dispersed filler, the reactive diluent, the sulfhydryl compound, the initiator and the like are compounded to prepare an acrylic coating; and finally, carrying out infrared leveling and UV-LED and mercury lamp segmented curing film forming to obtain the photocuring wheel hub coating. According to the invention, a tricyclodecane rigid framework is introduced and is matched with a segmented curing process, so that the problem of low yield of the coating is solved; and meanwhile, by utilizing the surface migration characteristic of the fluorine-containing chain segment and nano inorganic enhancement, the aging resistance of the coating is remarkably improved.

This invention belongs to the technical field of thiol compound preparation, and particularly relates to a method for synthesizing 3-mercaptopropionic acid. The method includes the following steps: reacting acrylic acid gas and hydrogen sulfide gas under the action of an acidic catalyst, followed by post-treatment to obtain 3-mercaptopropionic acid. The acidic catalyst is a supported solid acid catalyst containing nickel, molybdenum, and cobalt active components. The support includes one or more of silicon oxide, alumina, magnesium oxide, molecular sieves, titanium oxide, zirconium oxide, and hydrotalcite. This invention selects specific catalysts and improves the reaction form and post-treatment process to achieve a reaction conversion rate >98.5%, selectivity ≥97%, and yield ≥95.74%, effectively reducing production costs and facilitating industrial application.

The application discloses a kind of solid acid modified cerium oxide abrasive grains and its preparation method and application in polishing liquid, including the following steps: (1) cerium oxide particles are soaked into sulfur-containing precursor solution, after sulfur-containing precursor is fully adsorbed on the surface of cerium oxide particles, the cerium oxide particles are separated out;(2) the separated cerium oxide particles are dried, crushed to obtain cerium oxide powder, then the cerium oxide powder is calcined to form a solid acid structure, to obtain solid acid modified cerium oxide abrasive grains;The sulfur-containing precursor is sulfur-containing inorganic salt, sulfur-containing inorganic acid, thiol, sulfhydryl, mercapto compound and sulfur-containing heterocycle, etc.In the present application, the calcination conditions of the modification process are relatively mild, which will not significantly change the particle size distribution and morphology characteristics of cerium oxide particles, and the chemical corrosion effect of the modified cerium oxide in the present application is enhanced, thereby accelerating the formation of softening layer on the surface of silicon oxide in the polishing process, which helps to reduce the surface roughness after polishing.

The invention provides a perovskite light-emitting diode device based on interface reaction activation, and belongs to the technical field of perovskite light-emitting display. The perovskite light-emitting diode device comprises a negative electrode, an electron transport layer, a perovskite light-emitting layer, a hole transport layer, a hole injection layer and a positive electrode, wherein the electron transport layer comprises tin oxide and zinc oxide, the tin oxide is arranged on the negative electrode, and the zinc oxide is arranged on the tin oxide; and the perovskite light-emitting layer is prepared by spin coating of a perovskite precursor solution added with a sulfhydryl-containing compound with an acidity coefficient of 16.0-22.0. Compared with a traditional method, the method has the advantages that the activity of passivation molecules is regulated and controlled through an interface chemical reaction, controllable in-situ powerful passivation of perovskite is achieved, the obtained perovskite thin film has excellent light stability and thermal stability, the service life of a device prepared on the basis of the perovskite thin film is remarkably prolonged, and a new strategy is provided for improving the stability of a perovskite photoelectric device.