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Method for assisting in preparing antimonene by means of ionic liquid

A technology of ionic liquid and ionic liquid, applied in the direction of nanotechnology, etc., to achieve good application prospects and high-quality morphology

Active Publication Date: 2017-10-13
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still many challenges in order to apply these two-dimensional materials on a large scale. Among them, how to prepare high-quality two-dimensional materials with high yield within an acceptable preparation cost range is undoubtedly the first difficulty to be overcome.

Method used

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  • Method for assisting in preparing antimonene by means of ionic liquid
  • Method for assisting in preparing antimonene by means of ionic liquid

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Embodiment Construction

[0010] The specific implementation manners of the present invention will be further described below.

[0011] A method for utilizing ionic liquid to assist the preparation of antimonene, comprising the steps of:

[0012] (1) Ionic liquid liquid-assisted exfoliation of antimonene:

[0013] Grind a certain amount of antimony powder in an agate mortar, then take an appropriate amount of ionic liquid solvent, place the ground antimony powder in an ionic liquid solvent to obtain a saturated antimony solution, and perform ultrasonic stripping on the above solution. The ultrasonic time is 4- 7h, the ultrasonic power is 500-700W, and the antimonene sample with a concentration of 0.9±0.2g / L is obtained; the ionic liquid solvent is 1-ethyl-3 methylimidazolium trifluoroacetate.

[0014] (2) Characterization of samples:

[0015] First, the sample was centrifuged, and the precipitate was washed with a solvent in order to characterize the sample by UV-visible absorption spectrum and TEM. ...

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Abstract

The invention relates to a method for assisting in preparing antimonene by means of a 1-ethyl-3-methylimidazolium trifluoroacetate liquid phase and belongs to the field of preparation of novel inorganic two-dimensional materials. The simple method for assisting in stripping by means of an ionic liquid phase is used, antimony powder is stripped to obtain a small number of layers of antimonene. The preparation method provided by the invention has the characteristics that the method is simple and easy to operate, and the prepared antimonene is high in quality and large in concentration; and used ionic liquid has the advantages of being environmentally friendly, recyclable and the like.

Description

technical field [0001] The invention relates to the field of preparation of novel two-dimensional materials, in particular to the preparation of high-concentration novel two-dimensional antimonene by means of ionic liquid liquid-phase assisted exfoliation. Background technique [0002] In recent years, the emergence of graphene two-dimensional materials has triggered a series of technological revolutions. Graphene has some special physical and chemical properties and optoelectronic properties, such as high electrical conductivity, high thermal conductivity, high strength, and high light transmission. With the development of graphene, a series of new graphene-like two-dimensional materials have also been produced, such as transition metal sulfides, boronene, silicene, two-dimensional black phosphorus, etc., which greatly enrich the development of two-dimensional materials. Diversity complements some of the defects of graphene. However, there are still many challenges in ord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/04B82Y40/00
CPCB22F9/04B82Y40/00
Inventor 赵敏曹海亮王志元张华郭俊杰
Owner TAIYUAN UNIV OF TECH
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