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A kind of micron nickel phosphide material and its preparation method and application

A nickel phosphide, micron-scale technology, applied in chemical instruments and methods, preparation of organic compounds, preparation of amino hydroxyl compounds, etc., can solve the problem of high production cost of precious metal nanomaterials, achieve good catalytic effect and preparation conditions Mild, good catalytic performance

Active Publication Date: 2015-10-21
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although nano-precious metals are used to catalyze the reduction of p-nitrophenol, the dosage has been reduced and the efficiency has been greatly improved, but the high production cost of precious metal nano-materials is still difficult to be accepted by the mass market.

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  • A kind of micron nickel phosphide material and its preparation method and application
  • A kind of micron nickel phosphide material and its preparation method and application
  • A kind of micron nickel phosphide material and its preparation method and application

Examples

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Embodiment 1

[0047] A micron-sized nickel phosphide material, shaped like a hollow sea urchin, the nickel phosphide is Ni 2 P and Ni 12 P 5 The composite, the hollow sea urchin-like nickel phosphide has a diameter of 2-4 microns.

[0048] A method for preparing a micron-sized nickel phosphide material, the steps comprising:

[0049] a. Synthesis of spherical Ni simple substance: Dissolve surfactant, soluble nickel salt and strong reducing agent in polyol, stir vigorously with magnetic stirrer for 20min at room temperature to form a uniform solution, then pour the mixed solution into polytetrafluoroethylene In a stainless steel autoclave lined with ethylene, and finally placed in a constant temperature drying oven to heat the reaction, after the reaction, naturally cool to room temperature, collect the product with a magnet, wash with absolute ethanol and double distilled water, and ultrasonically disperse, the obtained spherical Ni The single substance is put into a constant temperature...

Embodiment 2

[0063] A micron-sized nickel phosphide material, shaped like a hollow sea urchin, the nickel phosphide is Ni 2 P and Ni 12 P 5 composite, the hollow sea urchin-shaped nickel phosphide has a diameter of 1-3 microns.

[0064] A method for preparing a micron-sized nickel phosphide material, the steps comprising:

[0065] a. Synthesis of spherical Ni simple substance: Dissolve surfactant, soluble nickel salt and strong reducing agent in polyol, stir vigorously with magnetic stirrer for 20min at room temperature to form a uniform solution, then pour the mixed solution into polytetrafluoroethylene In a stainless steel autoclave lined with ethylene, and finally placed in a constant temperature drying oven to heat the reaction, after the reaction, naturally cool to room temperature, collect the product with a magnet, wash with absolute ethanol and double distilled water, and ultrasonically disperse, the obtained spherical Ni The single substance is put into a constant temperature d...

Embodiment 3

[0077] A micron-sized nickel phosphide material, shaped like a hollow sea urchin, the nickel phosphide is Ni 2 P and Ni 12 P 5 The composite, the hollow sea urchin-shaped nickel phosphide has a diameter of 0.5-2 microns.

[0078] A method for preparing a micron-sized nickel phosphide material, the steps comprising:

[0079] a. Synthesis of spherical Ni simple substance: Dissolve surfactant, soluble nickel salt and strong reducing agent in polyol, stir vigorously with magnetic stirrer for 20min at room temperature to form a uniform solution, then pour the mixed solution into polytetrafluoroethylene In a stainless steel autoclave lined with ethylene, and finally heated in a constant temperature drying oven to react, after the reaction, naturally cool to room temperature, collect the product with a magnet, wash with absolute ethanol and double distilled water, and ultrasonically disperse, the obtained spherical The simple Ni is put into a constant temperature drying oven and d...

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Abstract

The invention relates to a micron-size nickel phosphide material, as well as a preparation method and application of the micron-size nickel phosphide material. The micron-size nickel phosphide material takes the shape of a hollow sea urchin, and the nickel phosphide is a compound of Ni2P and Ni12P5. The preparation method comprises the steps of synthesizing a ball-shaped Ni simple substance and synthesizing the nickel phosphide. The nickel phosphide synthesized through the method is a sea-urchin-shaped hollow superstructure material, has a very large specific surface area and has a better catalyzing effect on reduction in catalyzing p-nitrophenol, the preparation condition is mild, and the reaction is simple.

Description

technical field [0001] The invention belongs to the technical field of preparation of micro-nano materials, and in particular relates to a micron-level nickel phosphide material and its preparation method and application. Background technique [0002] p-Aminophenol is an important organic intermediate widely used in medicine, dyes and organic synthesis. In the pharmaceutical industry, p-aminophenol is mainly used in the synthesis of medicines such as acetaminophen, buprofen, and vitamin B 1 , compound nicotinamide, etc.; 4010NA, 4020, 4030 and other p-phenylenediamine antioxidants can be synthesized in the rubber industry; in the dye industry, it is an intermediate for the production of disperse dyes, acid dyes, direct dyes, sulfur dyes and fur dyes. Can produce sulfur red brown B 3 R, sulfur sapphire blue CV, sulfur reduction black CLG, sulfur new blue FBL, fur brown, etc.; p-aminophenol can also be used to produce photographic developer Metol, and can also be directly us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J27/185B01J35/10C07C215/76C07C213/02
Inventor 倪永红魏杰顶
Owner ANHUI NORMAL UNIV