Method for preparing two-dimensional BaF2 through fast precipitation

Abstract

The invention relates to the technical field of preparation of nanomaterials, and discloses a method for preparing two-dimensional BaF2 through fast precipitation. The method comprises the specific steps that S1, in a room temperature state, 0.178M Ba(NO3)2 and 0.35M NH4HF2 are dissolved in 15 ml water, and thus a mixed solution is prepared for standby application; S2, the mixed solution is evenlystirred by a stirrer at the 300 rpm rated speed until a large amount of visible white precipitation is precipitated from the mixed solution in a mixed mode for standby application; and S3, the whiteprecipitation in the step S2 is washed by water and ethanol and then placed into an oven to be dried at the 60 DEG C, and thus the high-purity two-dimensional nanomaterial BaF2 is obtained. Accordingto the method for preparing the two-dimensional BaF2 through fast precipitation, material preparing is conducted through a liquid-phase room temperature precipitation method; and compared with a traditional hydrothermal method, the method is low in cost, the reaction rate is high, operation is easy, a reaction is mild and easy to control, energy saving and environmental protection are achieved, and a product is high in purity and novel in shape.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation, in particular to a two-dimensional BaF prepared by rapid precipitation 2 Methods. Background technique [0002] BaF 2 It belongs to metal fluorides, because of its special crystal structure, this substance has a wide range of potential applications in the field of photoelectric catalysis. The rapid mass preparation of the electrode material preparation and ion conductor material synthesis has a wide range of applications. In particular, its special two-dimensional structure is an atom-thick sheet-like structure material, and its unique electronic, optical and mechanical properties are considered to be a very important branch of nanomaterials. [0003] After literature review and summary, the existing preparation of two-dimensional BaF 2 Rarely reported approaches to nanomaterials herald preparation of 2D BaF 2 It is a huge challenge. Therefore, inventing a simple and rapid ...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a rapid precipitation to prepare two-dimensional BaF 2 The method has the advantages of fast reaction rate, mild reaction and easy control, energy saving and environmental protection, high product purity and novel shape, and solves the huge challenging problem of regulating two-dimensional nanomaterials caused by the rapid crystallization of precipitation reaction.

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