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One-step synthesis of platinum-palladium-copper ternary metal nanocubic framework materials

A ternary metal, nanocube technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of large size, difficult shape control, low repetition rate, etc., to achieve uniform distribution , easy to promote, simple to operate

Active Publication Date: 2021-02-09
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there are few reports on the preparation of ternary metal nanoframe structures. So far, most of the frame structures are synthesized by step-by-step methods, and the size is large, the experimental steps are cumbersome, the cycle is long, the repetition rate is low, and the shape is difficult to control. Low synthesis efficiency
One-step direct synthesis of platinum-palladium-copper ternary metal nanocubic frameworks has not been reported yet

Method used

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  • One-step synthesis of platinum-palladium-copper ternary metal nanocubic framework materials
  • One-step synthesis of platinum-palladium-copper ternary metal nanocubic framework materials
  • One-step synthesis of platinum-palladium-copper ternary metal nanocubic framework materials

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Experimental program
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Embodiment 1

[0034] A method for synthesizing platinum-palladium-copper ternary metal nano-cubic frame material in one step, comprising the following steps:

[0035] First, CTAB is dissolved in water to form a solution, and then potassium hydroxide solution, palladium chloride solution, copper chloride solution, potassium chloroplatinate solution and ascorbic acid solution are added in sequence. The final concentration of each component of the solution is: OH - 0.002mol / L; Ascorbic acid, 0.002mol / L; CTAB 2g / L; PtCl 6 2- 0.0002mol / L; Pd 2+ 0.0002mol / L; Cu 2+ 0.0008mol / L. Then the solution was transferred to a constant temperature water bath shaker, and reacted at 90° C. for 3 hours, and the shaking speed was 60 rpm. The product was centrifuged, washed, and dried to obtain a platinum-palladium-copper ternary metal nanocubic framework with a yield of 97%.

[0036] The samples were characterized by X-ray powder diffraction as figure 1 shown. It shows that the obtained product has only ...

Embodiment 2

[0039] A method for synthesizing platinum-palladium-copper ternary metal nano-cubic frame material in one step, comprising the following steps:

[0040] First, CTAC is dissolved in water to form a solution, and then sodium hydroxide solution, palladium nitrate solution, copper nitrate solution, potassium chloroplatinate solution and ascorbic acid solution are added in sequence. The final concentration of each component of the solution is: OH - 0.006mol / L; Ascorbic acid, 0.006mol / L; CTAC 6g / L; PtCl 6 2- 0.001mol / L; Pd 2+ 0.001mol / L; Cu 2+ 0.001mol / L. Then the solution was transferred to a constant temperature water bath shaker, and reacted at 60° C. for 5 hours, and the shaking speed was 60 rpm. The product was centrifuged, washed and dried to obtain a platinum-palladium-copper ternary metal nanocubic framework with a yield of 96%.

[0041] The TEM image of the product is shown in image 3 As shown, it can be seen that the product is a uniformly dispersed nanocubic frame...

Embodiment 3

[0043] A method for synthesizing platinum-palladium-copper ternary metal nano-cubic frame material in one step, comprising the following steps:

[0044] First, CTAB is dissolved in water to form a solution, and then potassium hydroxide solution, palladium chloride solution, copper sulfate solution, chloroplatinic acid solution and ascorbic acid solution are added in sequence. The final concentration of each component of the solution is: OH - 0.002mol / L; Ascorbic acid, 0.002mol / L; CTAB 2g / L; PtCl 6 2- 0.0002mol / L; Pd 2+ 0.0002mol / L; Cu2+ 0.0004mol / L. Then the solution was transferred to a constant temperature water bath shaker, and reacted at 80° C. for 4 hours, and the shaking speed was 60 rpm. The product is centrifuged, washed, and dried to obtain a platinum-palladium-copper ternary metal nanocubic framework. The TEM image of the product is shown in Figure 4 As shown, it can be seen that the product is a uniformly dispersed nanocubic framework with an average particle...

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Abstract

The invention discloses a method for synthesizing a platinum-palladium-copper ternary metal nano-cubic frame material in one step. Copper salt, palladium salt and platinum salt are used as raw materials, and ascorbic acid is used as a reducing agent to synthesize a platinum-palladium-copper ternary metal nanocubic frame material in one step, and its particle size is 20-50nm. The platinum-palladium-copper ternary metal In the structure of the nanocubic framework material, platinum, palladium and copper are jointly used as the components of the framework. The method is simple in operation, short in cycle, high in synthesis efficiency and good in repeatability.

Description

technical field [0001] The invention relates to a method for synthesizing a platinum-palladium-copper ternary metal nano-cubic frame material in one step. Background technique [0002] As an emerging material with the most market application potential, nanomaterials have no doubts about their potential importance. Among them, noble metal nanomaterials have attracted wide attention due to their unique properties. For example, platinum, palladium and other nanomaterials have been widely used in fuel cell catalysts; copper nanomaterials have excellent catalytic performance in electrocatalyzing carbon dioxide, and are widely used in energy, biomedicine , security, information and many other fields have a wide range of applications. In recent years, nanoframe structures have attracted more and more attention because of their far-reaching application potential in drug delivery, enzyme trapping, gas sensing, and efficient catalysis. [0003] However, there are few reports on the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/92H01M8/1011B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00H01M4/921H01M4/928H01M8/1011Y02E60/50
Inventor 王正华王鹏
Owner ANHUI NORMAL UNIV