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

A technology of indium trisulfide and indium trichloride tetrahydrate, which is applied in chemical instruments and methods, nanotechnology, inorganic chemistry, etc., can solve the problems of complex reaction conditions, excessively high reaction temperature, long reaction time, etc. The effect of simplicity, high product purity, and simple preparation method

Inactive Publication Date: 2012-01-04
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All of the above methods can prepare diindium trisulfide materials with nanostructures, but the reaction conditions are

Method used

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

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Experimental program
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Effect test

Embodiment 1

[0029] Follow the preparation process. Add 0.231g of indium trichloride tetrahydrate into a beaker containing 25ml of deionized water, and stir magnetically for 7 minutes to obtain a transparent and clear solution; add 260mg of hexadecyltrimethylammonium bromide and continue to stir for 10 minutes; When the solution was still clear, 178 mg of thioacetamide was finally added and magnetically stirred for 13 minutes to obtain a pale yellow solution, which was used as a reaction precursor. The solution was poured into a 100ml three-necked round-bottomed flask, and placed in a reaction heating system with reflux to keep the temperature constant. The reaction conditions were: 95°C, 80min. After the reaction, the solution was centrifuged at a centrifugal rate of 10000r / min for 15min. After repeated centrifugation for 5 times, the solid obtained was vacuum-dried at room temperature into a powder. The transmission electron microscope test sample is to take out a small amount of the s...

Embodiment 2

[0031] Follow the preparation process. Add 0.231g of indium trichloride tetrahydrate into a beaker containing 25ml of deionized water, and stir magnetically for 7 minutes to obtain a transparent and clear solution; add 260mg of hexadecyltrimethylammonium bromide and continue to stir for 10 minutes; When the solution was still clear, 178 mg of thioacetamide was finally added and magnetically stirred for 13 minutes to obtain a pale yellow solution, which was used as a reaction precursor. The solution was poured into a 100ml three-neck round bottom flask, and placed in a reaction heating system with reflux to keep the temperature constant. The reaction conditions were: 80°C, 80min. After the reaction, the solution was centrifuged at a centrifugal rate of 10000r / min for 15min. After repeated centrifugation for 5 times, the solid obtained was vacuum-dried at room temperature into a powder. The transmission electron microscope test sample is to take out a small amount of the solid...

Embodiment 3

[0033] Follow the preparation process. Add 0.231g of indium trichloride tetrahydrate into a beaker containing 25ml of deionized water, and stir magnetically for 7 minutes to obtain a transparent and clear solution; then add 178mg of thioacetamide and stir magnetically for 13 minutes to obtain a light yellow solution. The solution acts as a precursor for the reaction. The solution was poured into a 100ml three-necked round-bottomed flask, and placed in a reaction heating system with reflux to keep the temperature constant. The reaction conditions were: 95°C, 80min. After the reaction, the solution was centrifuged at a centrifugal rate of 10000r / min for 15min. After repeated centrifugation for 5 times, the solid obtained was vacuum-dried at room temperature into a powder. The transmission electron microscope test sample is to take out a small amount of the solid powder obtained after drying and redisperse it in absolute ethanol, and use a pipette gun to suck two drops on the s...

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Abstract

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.

Description

technical field [0001] The invention relates to a method for preparing nanometer materials, in particular to a method for hydrothermally synthesizing a sheet-like shape of diindium trisulfide nanostructure material. Background technique [0002] Nanomaterials and nanostructures are the most dynamic research objects in the field of new materials research today, and have a very important impact on future economic and social development. They are also the most active and important components of nanotechnology that are closest to applications. When the size of nanoparticles decreases to a certain value, the electronic energy level near the Fermi surface of metal particles changes from quasi-continuous to discrete energy levels; and there are discontinuous highest occupied molecular orbital energy levels and lowest unoccupied energy levels in nano-semiconductor particles. The phenomenon of molecular orbital energy level, which makes the energy gap widen, is called the quantum siz...

Claims

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Application Information

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IPC IPC(8): C01G15/00B82Y40/00
Inventor 蒋建中叶方敏王岑陈旭斌蒋周峰
Owner ZHEJIANG UNIV
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