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Metal porous organic framework material, and preparation method and applications thereof

An organic framework, metal porous technology, applied in the direction of luminescent materials, chemical instruments and methods, etc.

Inactive Publication Date: 2017-07-04
NANJING MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] So far, there has been no report on the synthesis of MOFs using zinc as the central metal and using two organic ligands at the same time by solvothermal method

Method used

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  • Metal porous organic framework material, and preparation method and applications thereof
  • Metal porous organic framework material, and preparation method and applications thereof
  • Metal porous organic framework material, and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 16

[0039] The only difference between Example 16 and Example 15 is that the solvent volume is 15 mL.

Embodiment 17

[0040] Example 17 repeated the synthesis conditions of Example 13, indicating that the synthesis method has good reproducibility.

[0041]The results of Examples 1-17 are shown in Table 2. The inspection indicators are the yield and the quality of the crystal form (note: +++ crystal form is excellent, ++ crystal form is good, + crystal form is medium, - crystal form is poor):

[0042] Table 2

[0043] Numbering Yield (mg) crystal form Example 1 0 — Example 2 52.3 ++ Example 3 45.8 — Example 4 62.3 — Example 5 51.5 ++ Example 6 33.6 — Example 7 42.6 + Example 8 53.9 — Example 9 60.5 — Example 10 50.6 + Example 11 61.8 + Example 12 43.9 + Example 13 58.2 +++ Example 14 59.1 + Example 15 36.9 + Example 16 42.1 + Example 17 60.3 +++

[0044] Visible, the application has investigated reaction temperature (in embodiment 1,2,3, reaction temperature ...

Embodiment 18

[0046] Grind the NJMU-001 granules obtained in Example 17 into a powder, weigh 18 mg of the powder, add it to 9 mL of DMF, and sonicate for 30 minutes to obtain a suspension for use. Prepare different concentrations of 2,4,6-trinitrophenol (TNP) solutions and add them to 500 μL NJMU-001 suspension, and finally make up to 1 mL with DMF, vortex for 20 seconds, and make 2,4,6- The final concentration of trinitrophenol (2,4,6-trinitrophenol) is 1, 2, 5, 10, 15, 20, 30, 40, 50, 60, 100μM, measure its fluorescence intensity, draw the fluorescence quenching trend line and standard curve, see Figure 4 and Figure 5 .

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Abstract

The invention discloses a metal porous organic framework material, and a preparation method and applications thereof. According to the preparation method, Zn2+ is taken as a central metal, and 1,3,5-benzenetricarboxylic acid and 2-aminoterephthalic acid are taken as organic ligands to construct the metal porous organic framework material; the crystal form is rhombic dodecahedron; the particle size is about 500<mu>m; the metal porous organic framework material possesses fluorescence performance, and can be used for detection of nitroaromatic compounds. The preparation method comprises following steps: zinc nitrate hexahydrate, 1,3,5-benzenetricarboxylic acid, and 2-aminoterephthalic acid are dissolved in a solvent, an obtained mixture is mixed to be uniform, and is delivered into a high pressure reaction kettle, the high pressure reaction kettle is sealed, reaction temperature is controlled to be 75 DEG C<T<=95 DEG C, reaction time is controlled to be 46 to 52h, after reaction, an obtained product is cooled to room temperature naturally, filtering is carried out so as to obtain a crystal product, and the crystal product is washed with a reaction solvent, and is dried and store. The preparation method is simple, and operation is convenient.

Description

technical field [0001] The invention belongs to the field of porous materials and metal-organic complexes, and in particular relates to a preparation method of NJMU-001 metal-organic framework material. Background technique [0002] Metal-Organic Frameworks (MOFs) is a new type of porous material, which is self-assembled by inorganic metal ions and nitrogen-containing or oxygen-containing polydentate organic ligands through coordination and has an infinite network structure. porous material. The rich spatial topology makes MOFs have higher specific surface area and unique photoelectromagnetic properties than classical inorganic microporous materials. At the same time, MOFs have the characteristics of structural tailorability and easy functionalization that are unmatched by other materials. Since the first generation of MOFs materials were synthesized in the mid-1990s, the synthesis and application of MOFs materials have attracted much attention, and have become research hot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C09K11/06
CPCC08G83/008C09K11/06C09K2211/188
Inventor 胡琴马宇杰许贯虹魏芳弟岑瑶
Owner NANJING MEDICAL UNIV
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