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Preparation method and application of AlOOH nanosheet-based 0D/2D composite material

A technology of composite materials and nanosheets, which is applied in the field of nanomaterial preparation, can solve problems such as insufficient dispersion of nanoparticles, and achieve good promotion and application value, simple process conditions, and low cost.

Active Publication Date: 2020-08-14
FUZHOU UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a green synthesis method with simple process and in-situ synchronous preparation of highly dispersed 0D / 2D nanocomposites for the existing 0D / 2D nanocomposite preparation methods and the insufficient dispersion of nanoparticles

Method used

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  • Preparation method and application of AlOOH nanosheet-based 0D/2D composite material
  • Preparation method and application of AlOOH nanosheet-based 0D/2D composite material
  • Preparation method and application of AlOOH nanosheet-based 0D/2D composite material

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Embodiment 1

[0036] Preparation of CuO / AlOOH nanocomposites:

[0037] (1) Weigh 0.0507 g of copper chloride dihydrate (CuCl 2 2H 2 O), 0.24 g of aluminum chloride hexahydrate (AlCl 3 ·6H 2 O), the molar ratio of copper chloride dihydrate to aluminum chloride hexahydrate is 0.3:1, added in 50 mL deionized water, and ultrasonically dispersed for 10 minutes to obtain solution A;

[0038] (2) Weigh 0.24 g of urea (CH 4 N 2 O), add the above solution A, magnetically stir for 10 min, and the stirring speed is 500 rpm, to obtain a uniformly dispersed reaction precursor solution;

[0039] (3) Then the reaction precursor solution was transferred to a stainless steel autoclave lined with polytetrafluoroethylene, and reacted at a constant temperature of 120 °C in a dry box for 24 h, and cooled to room temperature with the furnace after the reaction;

[0040] (4) Centrifuge the sample with a centrifuge to obtain a white solid powder at a rotational speed of 10,000 rpm; and wash with deionized wa...

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Abstract

The invention belongs to the technical field of preparation of nano materials, and discloses a preparation method of an AlOOH nanosheet-based 0D / 2D composite material, and the method comprises the following steps: preparing a sea urchin-like copper oxide-boehmite (CuO / AlOOH) nano composite material by using a hydrothermal method; using copper chloride dihydrate and aluminum chloride hexahydrate asraw materials, urea as a precipitator and deionized water as a solvent for perform a constant-temperature reaction at a specific temperature, and preparing a uniformly dispersed urchin-shaped CuO / AlOOH nano material through centrifugal separation, sample washing and drying. The prepared 0D / 2D nano composite material efficiently catalyzes sodium borohydride to reduce p-nitrophenol through two processes of adsorption and hydrogenation. The method is simple in preparation process, short in period and low in cost, can be used for large-scale industrial production, and has good economic benefitsand environmental benefits.

Description

technical field [0001] The invention belongs to the technical field of nanomaterial preparation, and in particular relates to a preparation method and application of an 0D / 2D composite material based on AlOOH nanosheets. Background technique [0002] Zero-dimensional (0D) nanomaterials, also known as quantum dots, have broad application prospects due to their ultrafine size (<10 nm), large surface area, fast charge transfer rate, unique optical properties, and excellent catalytic performance. catalyst. However, it is still a great challenge to achieve good dispersion of zero-dimensional (0D) nanomaterials and avoid their intrinsic aggregation, which also limits the practical application of zero-dimensional (0D) nanomaterials in the field of catalysis. Therefore, finding an effective support material to combine with it, which can not only maintain the large surface area and excellent characteristics of 0D nanomaterials, but also solve the above problems, has become a curr...

Claims

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Application Information

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IPC IPC(8): B01J23/72B01J35/00B01J37/10C07C213/02C07C215/76
CPCB01J23/72B01J37/10C07C213/02B01J35/394B01J35/393C07C215/76
Inventor 庄赞勇赵林于岩张庭士
Owner FUZHOU UNIV
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