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83 results about "Indium Trichloride" patented technology

Indium trichloride is used as a starting compound for the synthesis of other inorganic and organic indium compounds, for example TMI (tri-methyl indium), which is the most widely used metal-organic precursor for indium.

Preparing method of nano-rod-shaped indium oxide gas-sensitive material

The invention relates to a preparing method of a nano-rod-shaped indium oxide (In2O3) gas-sensitive material, and belongs to the technical field of preparation of inorganic nanometer functional materials. The preparing method comprises the steps of with indium(III) chloride tetrahydrate being an indium source, by adopting hexadecyl trimethyl ammonium bromide as surface active agent, conducting a hydrothermal reaction under the alkaline condition of sodium hydroxide to prepare indium hydroxide and finally, conducting thermal roasting to obtain the indium oxide gas-sensitive material of a nano-rod-shaped structure. Finally prepared indium oxide is In2O3 with the cubic phase and of the nano-rod-shaped structure, has very good performance of sensing and detecting both nitrogen dioxide gas andhydrogen sulfide gas and is insensitive to other gases (carbon monoxide, ethyl alcohol, ammonia, hydrogen, formaldehyde and the like); the indium oxide also has low working temperature, a quick response and restoration, very high sensitivity, a low detection limit, high selectivity and high stability. Besides, the indium oxide gas-sensitive material can also be used in the fields of catalyst, battery materials, photoelectric materials and the like.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Preparation method of long afterglow nanocrystal with controllable emission wavelength

The invention discloses a preparation method of a long afterglow nanocrystal with controllable emission wavelength. The long afterglow nanocrysta is prepared by adopting an ethylene glycol assisted hydrothermal route. The method comprises the following steps: taking ethylene glycol as an assistant, and taking a gallium nitrate solution and an indium trichloride solution as a substrate; doping a chromium ion mixed solution and uniformly stirring; carrying out special water treatment at the temperature of 170 DEG C, and carrying out centrifugal separation and vacuum drying; finally, calcining aproduct in a muffle furnace at the temperature of 700DEG C and 1000DEG C in sequence, thus obtaining the long afterglow nanocrystal with the average particle size of about 20 nanometers and the adjustable emission wavelength. The preparation method disclosed by the invention has the advantages that the long afterglow nanocrystal prepared by the method has excellent properties of smaller size, controllable emission wavelength within a near infrared light zone (about 770 nanometers), long afterglow and the like; the preparation method has the characteristics of simple operation, low cost, no reductive atmosphere in the preparation process and no pollution to the environment.
Owner:喀什大学

Preparation method of indium tin sulfide visible-light-induced photocatalyst and visible-light-induced catalytic performance application of indium tin sulfide visible-light-induced photocatalyst

The invention relates to the technical field of material preparation and photocatalysis. The technical scheme comprises that a preparation method of an indium tin sulfide visible-light-induced photocatalyst comprises the following steps: (1) weighing stannic chloride pentahydrate and indium trichloride, dissolving stannic chloride pentahydrate and indium trichloride in a proper amount of deionizedwater, then weighing any one reactant of three sulfur sources, namely thioacetamide, thiourea or L-cysteine, adding the reactant into the uniformly stirred aqueous solution, adjusting the pH value to1-13, and continuously stirring for 2 h, wherein the molar ratio of tin tetrachloride pentahydrate to indium trichloride to the reactant is 1.5:4:8; (2) transferring the uniformly stirred solution into a hydrothermal reaction kettle, and carrying out a reaction for 10-12 h in an oven at the temperature of 140-180 DEG C; and naturally cooling to room temperature to obtain precipitates, respectively washing the precipitates with deionized water and absolute ethyl alcohol for multiple times, and carrying out vacuum drying at the temperature of 60 DEG C for 10 h to obtain an orange powder sample.The preparation method is simple in steps and low in cost.
Owner:ZHEJIANG SHUREN UNIV

Hydrothermal synthesizing method of sheet-formed diindium trisulphide nano-structured material

The invention discloses a hydrothermal synthesizing method of a sheet-formed diindium trisulphide nano-structured material. According to the invention, four water indium trichloride crystals are added to water, the mixture is processed through magnetic stirring, such that a clarified solution is formed; a certain amount of a surfactant of cetyltrimethyl ammonium bromide is added to the solution, and the surfactant is completely dissolved; a certain amount of thioacetamide is added to the solution and is completely dissolved; the solution is clarified, and the obtained solution is adopted as a precursor solution of diindium trisulphide; a hydrothermal synthesizing method is adopted, that the precursor solution is refluxed and heated in a three-neck round-bottom flask. When the reaction temperature, the reaction solvent and the surfactant are changed, diindium trisulphide nano-structured materials with different forms can be obtained. The method provided by the invention has advantages of simple reaction system, low reaction temperature, and high yield of diindium trisulphide nano-structured material. The prepared diindium trisulphide nano-structured material has advantages of controllable form, high purity, good property, large specific surface area, and good visible light degradation capacity. The experiment has good repeatability.
Owner:ZHEJIANG UNIV

In2O3@ZnIn2S4 nanosheet material and preparation method and application thereof

The invention discloses an In2O3@ZnIn2S4 nanosheet material and a preparation method and application thereof. The method comprises the following steps: dissolving indium oxide in acidic water to obtain an indium oxide solution; and then adding zinc chloride, indium trichloride and thioacetamide into the indium oxide solution for a reaction; and carrying out washing and drying to obtain the In2O3@ZnIn2S4 nanosheet material, wherein a molar mass ratio of indium oxide to zinc chloride to indium trichloride to thioacetamide is 1: 2: 2: 5. The preparation method for the In2O3@ZnIn2S4 nanosheet material in the invention is simple and convenient in operation and low in cost; the prepared photocatalyst material, i.e., the In2O3@ZnIn2S4 nanosheet material, has extremely high targeting properties and degradation efficiency, and the degradation rate of 2,4-dichlorophenol in surface water can reach 93.2%; and the photocatalyst material can be recycled and still has high degradation rate after being used multiple times, so the treatment cost of 2,4-dichlorophenol is greatly reduced. Treatment with the photocatalyst material is efficient and energy-saving, and can meet national detection requirements on 2,4-dichlorophenol in surface water in China.
Owner:河北地质大学

Bridged bis-boron-dipyrromethene (BODIPY) derivative containing fluorene at meso-position and preparation method thereof

The invention discloses a bridged double-center BODIPY derivative containing fluorene at a meso-position and a preparation method thereof. The preparation method comprises the following steps: synthesizing a symmetric dialdehyde compound containing bridging groups consisting of benzene, thiophene and furan and different substituent groups like a butyl group and an octyl group; then subjecting the symmetric dialdehyde compound and pyrrole to a reaction under the catalysis of indium trichloride so as to synthesize a bis(dipyrrolidine) compound; and successively carrying out oxidation by chloranil and fluoroboronation by boron trifluoride ether so as to obtain a fluorene-containing different bridging group-substituted BODIPY dye which has a structural general formula as shown in a formula I that is described in the specification. According to the invention, fluorene and the bridging groups consisting of benzene, thiophene and furan are introduced for the first time and conventional synthetic methods are improved, so the obtained double-center BODIPY dye has stable spectral absorption; and introduction of thiophene, furan and fluorene enables the fluorescence emission peak of the derivative presents obvious red shift, and fluorescence effect is enhanced with enhancement of system conjugative effect. The organic dye can be efficiently synthesized and widely used in fields like life science, analytical chemistry and environmental energy.
Owner:江苏博凡科精密五金科技有限公司

Method for synthesizing silver indium sulfide heterojunction structure nano material through hydro-thermal mode

The invention discloses a method for synthesizing a silver indium sulfide heterojunction structure nano material through a hydro-thermal mode. The method comprises steps of dissolving an alcoholic suspension of silver nanowires in de-ionized water, stirring the alcoholic suspension, adding indium trichloride tetrahydrate crystal to the mixing liquid, conducting magetic stirring, adding a certain amount of surface active agent cetyl trimethyl ammonium bromide, stirring the surface active agent cetyl trimethyl ammonium bromide till the surface active agent cetyl trimethyl ammonium bromide is dissolved completely, adding a certain amount of thiacetamide, stirring the thiacetamide till the thiacetamide is dissolved completely, regarding the formed mixing liquid as a precursor solution of the silver indium sulfide heterojunction structure nano material, refluxing and heating the precursor solution in a round bottom flask with three necks by using a hydro-thermal method, changing conditions, and obtaining nano structure materials with different shapes. The reaction system is simple, the reaction temperature is low, the synthesized silver indium sulfide structure is novel, the synthesized composite material yield is high, and the reverse specific discharge capacity of the material is high when the material serves as a lithium material cathode. Besides, the method has good repeatability and operability.
Owner:ZHEJIANG UNIV

Photocatalyst as well as preparation method and application thereof

The invention discloses a photocatalyst and a preparation method and application thereof, and belongs to the technical field of semiconductor photocatalytic decomposition of water to produce hydrogen, and the preparation method comprises the following steps: S1, preparing ZnO nanoparticles, S2, preparing ZnIn2S4 nanosheets, S3, preparing an AZnIn2S4/BZnO heterojunction nanomaterial, adopting a one-step hydrothermal synthesis method, weighing zinc chloride, indium trichloride tetrahydrate and thioacetyl, dissolving the zinc chloride, the indium trichloride tetrahydrate and the thioacetyl into ethylene glycol, adding a catalyst, and stirring to obtain the photocatalyst. The preparation method comprises the following steps: dispersing ZnO nanoparticles prepared in the step S1 into a mixed solution, carrying out ultrasonic treatment at room temperature for 25-40 minutes to form a mixed solution, dispersing the ZnO nanoparticles prepared in the step S1 into the mixed solution obtained in the step S1, carrying out ultrasonic treatment at room temperature for 25-40 minutes, then transferring into a high-pressure kettle with a polytetrafluoroethylene lining, heating at 100-130 DEG C for 1.5-3 hours to obtain a precipitate, and then centrifuging, washing and separating the precipitate obtained in the step S1 to obtain the ZnO nano-particles. The preparation method comprises the following steps: adding BZnO and AZnIn2S4 into a hydrothermal reaction kettle, carrying out vacuum drying for 10-14 hours to obtain an AZnIn2S4/BZnO heterojunction nano material which is used as a photocatalyst, and synthesizing a ZnIn2S4/ZnO heterojunction through a hydrothermal method to form the photocatalyst with high photocatalytic performance.
Owner:XIAMEN INST OF RARE EARTH MATERIALS +1

Preparation method and application of indium-based metal organic framework material

The invention provides a preparation method and application of an indium-based metal organic framework material, and the preparation method comprises the following steps: dropwise adding a sodium formate solution into an indium trichloride solution, heating and stirring to obtain an indium metal cluster; dispersing the indium metal cluster in N, N-dimethylformamide to obtain a first mixed solution; dispersing benzophenone-4, 4' -dicarboxylic acid in N, N-dimethylformamide to obtain a second mixed solution; and dropwise adding the second mixed solution into the first mixed solution, adding formic acid and H2O, transferring into a high-pressure reaction kettle, and performing solvothermal synthesis reaction to obtain the indium-based metal organic framework material. The indium-based metal organic framework material prepared by the method has high adsorption selectivity on adsorption and separation of CH4 and N2, under the same condition, the adsorption selectivity on CH4 and N2 is more than 7.5 times of the selectivity of traditional adsorption materials such as a carbon molecular sieve, and the material has excellent water vapor stability. The indium-based metal organic framework material is applied to separation of CH4 and N2 in coal bed gas and has an excellent separation effect.
Owner:FOSHAN UNIVERSITY
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