Unlock instant, AI-driven research and patent intelligence for your innovation.

A nanoscale metal organic framework material and its preparation method

A metal-organic framework and nano-scale technology is applied in the field of preparation of metal-organic framework materials, and achieves the effects of simple preparation process and strong controllability of reaction conditions.

Inactive Publication Date: 2022-02-18
SHANGHAI INST OF TECH
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, how to control the growth of micro-nano MOFs crystals in a given reaction system to adjust the size and shape is a challenging task.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A nanoscale metal organic framework material and its preparation method
  • A nanoscale metal organic framework material and its preparation method
  • A nanoscale metal organic framework material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preparing a nanoscale metal-organic framework material, the specific steps are:

[0026] Step 1: Prepare A solution: at room temperature, dissolve 0.3mmol HIA in 10mL deionized water, add 0.6mmol NaOH, and then add 0.3mmol Fe(ClO 4 ) 2 , stirring constantly with a mixer.

[0027] Step 2: Prepare solution B: Dissolve 0.3mmol 1,4-bix in 10mL methanol at room temperature, seal it, and keep stirring with a stirrer.

[0028] Step 3: Add solution B dropwise to solution A under constant stirring, react with a stirrer for 2 hours, then filter with suction, dry in an oven at 60°C for 30 minutes, and obtain nano-scale metal Organic framework materials, single crystal X-ray diffraction results such as image 3 .

[0029] figure 1 For the TEM figure that embodiment 1 makes sample, from figure 1 It can be seen that the obtained crystals are nanospheres with a size of about 100 nm, agglomeration, and general dispersion.

Embodiment 2

[0031] Similar to Example 1, the difference is: the reaction time in step 3 is controlled at 4h.

[0032] The results show that the obtained crystals are nanospheres with a size of about 200 nm, which are larger than those obtained in Example 1, and the agglomeration phenomenon also exists.

Embodiment 3

[0034] Similar to Example 1, the difference is that: Step 2 is: Prepare B solution: Dissolve 0.3mmol 1,4-bix in 10mL methanol at room temperature, add surfactant CTAB in an amount of 0.015%wt, seal , stirring constantly with a mixer.

[0035] Such as figure 2 As shown, the results show that the obtained crystals are nanospheres with a size of about 100 nm, which is better in dispersibility than the crystals obtained in Example 1.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
sizeaaaaaaaaaa
sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a nanoscale metal organic framework material and a preparation method thereof. The preparation method of the nano-scale metal-organic framework material is characterized in that it comprises: step 1: preparing solution A: at room temperature, dissolving organic acid in deionized water, adding NaOH, then adding ferrous salt, stirring Stir continuously; Step 2: Prepare B solution: Dissolve 1,4‑bix in methanol at room temperature, add or not add surfactant, seal, and stir continuously with a stirrer; Step 3: Mix B solution Add it dropwise into solution A, react under the condition of constant stirring, filter with suction, and dry in an oven to obtain a nanoscale metal organic framework material.

Description

technical field [0001] The invention relates to a method for preparing a metal organic framework material, in particular to a method for preparing a nanoscale metal organic framework material Fe(HIA)(1,4-bix) at room temperature. Background technique [0002] Metal-organic frameworks (Metal-Organic Frameworks, MOFs) refer to a class of porous crystalline materials with regular network space structures, which are composed of inorganic metal centers (metal ions or metal clusters) and bridging organic ligands in a certain way. The metal ions and various rigid bridging organic ligands that form this porous framework crystal material are not fixed, so metal organic framework materials with different pore sizes and properties can be designed and synthesized. Metal-organic framework materials have flexible coordination nodes and coordination modes, and as functional carriers, they provide possibilities for optical, electrical, magnetic, catalytic and other physical and chemical pro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00
CPCC08G83/008
Inventor 叶静方浩言孙成蔡文武赵立超陈桂娥毛修龙
Owner SHANGHAI INST OF TECH