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Modification and preparation methods based on IRMOF-3 functional material

An IRMOF-3, functional material technology, applied in the field of material chemistry, can solve the problem that MOFs materials cannot meet the harsh requirements of materials, and achieve the effects of easy operation, simple characterization method and mild processing conditions

Inactive Publication Date: 2014-11-26
NINGBO UNIV
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  • Claims
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Problems solved by technology

MOFs materials synthesized by traditional methods (such as hydrothermal, diffusion, volatilization, etc.) are increasingly unable to meet people's stringent requirements for materials.

Method used

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  • Modification and preparation methods based on IRMOF-3 functional material
  • Modification and preparation methods based on IRMOF-3 functional material

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the embodiments.

[0017] Divide the prepared IRMOF-3 functional material into several parts with an amount of 9mg-15mg, pretreat it with 5-10ml dichloromethane for 3-7 days, and then combine 1-10mg of the guest molecule ferrocene aldehyde with the treated Put the raw material in 5-10ml of dichloromethane for 1-10 days, and dry the material under reduced pressure for 1-2 days to remove the guest molecules remaining on the surface of the material. Observation in the electron microscope shows that IRMOF-3 is changed from the original Amber changes to black. Elemental analysis, thermogravimetric analysis, fluorescence analysis, X-ray powder diffraction (PXRD) analysis and characterization of the material found that about 2.87 ferrocene aldehyde molecules entered the IRMOF-3 porous material.

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Abstract

The invention discloses modification and preparation methods based on an IRMOF-3 (isoreticular metal-organic framework-3) functional material. The invention relates to the technical field of material chemistry. The invention specifically relates to the preparation and property characterization of a subject-object composite material. According to the invention, IRMOF-3 is adopted as a raw material, and is subjected to pretreatment by using dichloromethane; object molecules ferrocene aldehyde (Fe-CHO) are added into the treated IRMOF-3, such that the subject and the object are subjected to an affinity addition reaction, and imine is produced. Therefore, a novel IRMOF-3@FeCHO material is obtained. After pretreatment, the amber-colored material immersed in ferrocene aldehyde is turned black. As a result of element, thermo-gravimetry, PXRD and fluorescence analysis, approximately 2.87 ferrocene aldehyde molecules has entered the IRMOF-3 porous material. The structure of IRMOF-3 maintains unchanged before and after the entering of ferrocene aldehyde. After the entering of ferrocene aldehyde, the fluorescence peak of IRMOF-3 shows blue shift. The modification and preparation methods have low cost. The preparation process is simple and feasible.

Description

Technical field [0001] The invention belongs to the technical field of material chemistry, and specifically relates to the preparation and performance characterization of a host-guest composite material. Background technique [0002] In recent years, metal-organic frameworks (MOFs) materials have attracted the attention of scientists from various countries due to their high thermal stability, high specific surface area and large porosity. MOFs synthesized by traditional methods (such as hydrothermal, diffusion, volatilization, etc.) are increasingly unable to meet people's demanding requirements for materials. It is the dream of scientists to combine guest molecules with special functions and large-pored materials to obtain multifunctional materials. The isoreticular metal-organic framework-3 (IRMOF-3) synthesized by Yaghi’s is composed of metallic zinc and 2-amino-1,4-phthalic acid in N,N’-dimethylformamide. The hole diameter is 9.7 Of functional materials. The amine group in...

Claims

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Application Information

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IPC IPC(8): C09K11/06
Inventor 韩磊秦兰刘松林余磊闫晓志
Owner NINGBO UNIV
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