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Preparation method of novel micro-nano prussian blue particles

A Prussian blue, micro-nano technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problem of affecting the properties of Prussian blue, it is difficult to control the size and shape of Prussian blue particles, and the reaction rate Quick and other problems, to achieve the effect of easy control of the operation process, easy popularization and use, and simple and easy preparation method

Inactive Publication Date: 2017-05-31
XUCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual way to synthesize Prussian blue particles is to combine Fe 3+ and [Fe(CN) 6 ] 4- The two precursors can be fully mixed, but due to the fast reaction rate of this method, it is difficult to control the size and shape of Prussian blue particles, and these characteristics greatly affect the properties of Prussian blue

Method used

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  • Preparation method of novel micro-nano prussian blue particles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Pipette 20mL 1mmol / L FeCl respectively 3 and 1mmol / L K 3 [Fe(CN) 6 ] Pour the two precursor solutions into a beaker, drop an appropriate amount of hydrochloric acid with a dropper to adjust the pH value of the mixed solution to 1-2, put the magnetron into the solution, and continuously stir the reaction on the magnetic stirring device for 24 hours, then put the reaction The micronano Prussian blue particles can be prepared by placing them in liquid solution, centrifuging and washing, and then drying them in an oven at 90°C.

Embodiment 2

[0015] The preparation method of this example is the same as that of Example 1, and the reaction time is controlled to be 48 hours. Under the condition that other conditions remain unchanged, micronano Prussian blue particles are also synthesized.

[0016] The characterization of the micronano Prussian blue particles synthesized according to the method of the present invention is shown in the appendix figure 1 shown

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Abstract

The invention relates to a preparation method of novel micro-nano prussian blue particles, in particular to micro-nano prussian blue particles which are synthesized by mixing two precursor solutions, i. e. potassium ferricyanide and ferric trichloride of prussian blue, and then fully stirring the mixture under the condition of a proper pH value. A synthesis device adopted by the method is simple; a common beaker is taken as a reaction vessel, and a magnetic stirring apparatus having a stirring function is used. According to the synthesis technology, the micro-nano prussian blue particles are synthesized by controlling the conversion speed of the prussian blue in a solution. The micro-nano material can be used for the application fields such as solid state batteries, electrochromic devices, molecular magnets, and the like.

Description

technical field [0001] The present invention relates to a preparation method of a novel micro-nano Prussian blue particle, in particular to a method for synthesizing micro-nano-level particles by mechanically stirring two precursors of Prussian blue as reactants and adjusting the solution to an appropriate pH value. The Prussian blue particles belong to the field of synthetic chemistry of materials. Background technique [0002] Prussian blue and its analogues are a class of polynuclear transition metal ferricyanides with an open structure similar to zeolites. Due to the H 2 o 2 and O 2 The reduction process exhibits excellent catalytic activity and selectivity, is considered as an artificial catalase, and is widely used in the construction of biosensors. In addition, due to its fast charge transfer and magnetic change properties, it also has potential applications in the fields of molecular magnet devices, electrochromic displays, energy storage, and batteries. The usu...

Claims

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Application Information

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IPC IPC(8): C01C3/12B82Y30/00B82Y40/00
CPCC01C3/12C01P2004/03C01P2004/62
Inventor 陈体伟余小娜陈怡萌
Owner XUCHANG UNIV
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