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Method for quickly and efficiently preparing adjustable-fluorine-content fluoridized graphene

A technology of fluorinated graphene and fluorinated graphite, which is applied in the field of rapid and efficient preparation of fluorinated graphene, can solve the problems of high cost, use of highly toxic gas, complicated process, etc., and achieves easy operation, mild conditions, and low cost. low cost effect

Active Publication Date: 2015-09-30
YANTAI ZHONGKE RES INST OF ADVANCED MATERIALS & GREEN CHEM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a simple and effective method for preparing fluorinated graphene to solve the problems of high cost, complicated process and use of highly toxic gases in the preparation of fluorinated graphene.

Method used

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  • Method for quickly and efficiently preparing adjustable-fluorine-content fluoridized graphene
  • Method for quickly and efficiently preparing adjustable-fluorine-content fluoridized graphene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: the preparation of fluorinated graphene

[0023] Add 100mg of graphite fluoride to 160mg of mixed alkali of sodium hydroxide and potassium hydroxide (the mass fraction of sodium hydroxide is 42%), and the normal pressure is 170 o C heating and reacting graphite fluoride until the color turns black to obtain a mixture of graphite fluoride and alkali. The mixture was dissolved in a dissolved amount of water and then ultrasonically stripped. After standing and stratifying, the unreacted fluorinated graphite on the surface is recovered, and the upper layer liquid is suction filtered, washed and dried to obtain fluorinated graphene.

Embodiment 2

[0024] Embodiment 2: the preparation of fluorinated graphene

[0025] In Example 1, "100mg graphite fluoride is added to the mixed alkali of 160mg sodium hydroxide and potassium hydroxide" is replaced with "100mg graphite fluoride is added to the mixed alkali of 320mg sodium hydroxide and potassium hydroxide". Other conditions of preparation were the same as in Example 1, and a product similar to Example 1 was obtained.

Embodiment 3

[0026] Embodiment 3: the preparation of fluorinated graphene

[0027] In Example 1, "wherein the mass fraction of sodium hydroxide is 42%" is replaced with "wherein the mass fraction of sodium hydroxide is 43%". Other conditions of preparation were the same as in Example 1, and a product similar to Example 1 was obtained.

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Abstract

The invention discloses a method for quickly and efficiently preparing adjustable-fluorine-content fluoridized graphene. Cheap fluoridized graphite used as a raw material is subjected to mixed alkali treatment and ultrasonic treatment to obtain few-layer fluoridized graphene. The method has important meanings for solving the problems in the current fluoridized graphene preparation, widening the application range of the material in the fields of surfaces / interfaces, novel nano electronic devices, biological materials, lubricating materials and the like, and promoting the fluoridized graphene from laboratory research into practical application.

Description

technical field [0001] The invention relates to a preparation technology of fluorinated graphene, in particular to a preparation technology for rapidly and efficiently preparing fluorinated graphene by using fluorinated graphite as a raw material. Background technique [0002] Graphene is a new type of two-dimensional honeycomb carbon material composed of a single layer of carbon atoms. It has excellent optical, electrical, thermal and mechanical properties, and has shown great potential research value and Application prospect. Pure graphene has no band gap, and chemical modification can not only open its band gap, but also bring new surface and interface properties to graphene due to the introduction of new elements, which will greatly promote graphene from laboratory research into to practical application (see: K. S. Novoselov, V. I. Falko, L. Colombo, P. R. Gellert, et a l. Nature 2012, 490, 192; U. N. Maiti, W. J. Lee, J. M Lee, Y. Oh, et al . Adv. Mater. 2014, 26, 4...

Claims

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Application Information

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IPC IPC(8): C01B31/00
Inventor 王金清公培伟杨生荣
Owner YANTAI ZHONGKE RES INST OF ADVANCED MATERIALS & GREEN CHEM ENG