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Synthetic method of AyB1-y[Co(CN)6]0.67PBA and AxB1.8-xCo1.2O4

A technology of axb1.8-xco1.2o4 and synthesis method, applied in the direction of cobalt oxide/cobalt hydroxide, etc., can solve the problems of complex preparation process, low scalability, low specific surface area of ​​MOFs and MTMOs, etc., and achieves a simple preparation method. The effect of easy operation and strong scalability

Active Publication Date: 2017-05-17
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is often limited by the disadvantages of poor shape controllability, complex preparation process, and low scalability. In addition, the specific surface area of ​​prepared MOFs and MTMOs is usually low.

Method used

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  • Synthetic method of AyB1-y[Co(CN)6]0.67PBA and AxB1.8-xCo1.2O4
  • Synthetic method of AyB1-y[Co(CN)6]0.67PBA and AxB1.8-xCo1.2O4
  • Synthetic method of AyB1-y[Co(CN)6]0.67PBA and AxB1.8-xCo1.2O4

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 0.0332g K 4 [Fe(CN) 6 ] Dissolve in 10ml deionized water and stir to obtain solution A. Dissolve 0.027g zinc nitrate and 0.018g ferric chloride in 10ml deionized water to prepare solution B. Add 0.6g PVP to solution B and stir well. Slowly add solution A dropwise to B and continue to stir for 30 minutes, and age for 20 hours. After centrifugal washing and drying to obtain Zn 0.5 Fe 0.5 -Co PBA nano ball.

Embodiment 2

[0025] 0.0332g K 4 [Fe(CN) 6 ] Dissolve in 10ml of deionized water and stir to obtain solution A. Dissolve 0.025g of manganese nitrate and 0.057g of ferric chloride in 10ml of deionized water to prepare solution B. Add 0.6g of PVP to solution B and stir well. Slowly add solution A to B dropwise and continue stirring for 30 min, and aging for 20 h. After centrifugal washing and drying to obtain Mn 0.2 Co 0.8 -Co PBA nano dice.

Embodiment 3

[0027] 0.0332g K 4 [Fe(CN) 6 ] Dissolve in 10ml of deionized water and stir well to obtain solution A. Dissolve 0.101g of manganese nitrate and 0.014g of ferric chloride in 10ml of deionized water to prepare solution B. Add 0.6g of PVP to solution B and stir well. Slowly add solution A to B dropwise and continue stirring for 30 min, and aging for 20 h. After centrifugal washing and drying to obtain Mn 0.8 Co 0.2 -Co PBA nano dice.

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Abstract

The invention provides a ''copolymer-eutectic morphology'' strategy for accurately regulating and controlling the morphology of an AyB1-y[Co(CN)6]0.67PBA metal organic coordination polymer. In a PVP solution, by preparing a solid solution of two hexacyano-cobaltates (A-Co and B-CoPBA), AyB1-y[Co(CN)6]0.67PBA with a specific morphology can be prepared. In addition, through simple heat treatment, a doped porous transition metal oxide AxB1.8-xCo1.2O4 with a specific morphology can be synthesized. By the morphology controllable synthesis strategy and through simple conversion of a transition metal precursor, MnyFe1-y[Co(CN)6]0.67 and ZnyFe1-y[Co(CN)6]0.67PBA with specific morphology can be easily synthesized. In comparison with other methods in literature, the morphology synthesis strategy has the characteristic of accurate regulation and control of nano-materials' morphology and composition and has strong expansibility.

Description

Technical field [0001] The invention relates to the use of a morphology controllable mixed metal organic coordination polymer (A y B 1-y [Co(CN) 6 ] 0.67 PBA) method, at the same time, simple heat treatment, the copolymer can be easily transformed into a doped porous transition metal oxide with a specific morphology (A x B 1.8-x Co 1.2 O 4 ). Background technique [0002] In recent years, metal-organic coordination polymers (MOFs) and doped transition metal oxides (MTMOs) have been widely used in the fields of battery electrode reaction, photocatalysis, Fenton reaction, and magnetic materials. As we all know, the morphology, composition and specific surface area of ​​nanomaterials have a great influence on the physical and chemical properties of the materials. Therefore, the morphological controllable synthesis of nanomaterials has become a hot spot in the research of functionalization in recent years. There are many methods for preparing MOFs and MTMOs with traditional morpholo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C01G51/04
CPCC01G51/04C01P2004/03C01P2004/30C01P2004/61C08G83/008
Inventor 李旭宁王军虎
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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