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Method for preparing organic net membrane

A technology of organic omentum and inorganic membrane, applied in the direction of nanostructure manufacturing, nanotechnology, nanotechnology, etc., can solve the problem of less application of surface interface, etc., achieve simple and easy experimental operation, avoid complicated operation, and simplify the experimental operation process Effect

Inactive Publication Date: 2008-11-26
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditionally, the application of alumina templates is mainly based on the array structure of AAO holes or one-dimensional nanotubes and nanorods, and there are fewer applications on its surface interface.

Method used

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  • Method for preparing organic net membrane
  • Method for preparing organic net membrane
  • Method for preparing organic net membrane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The preparation of embodiment 1, tetraphenylporphyrin (TClPP) omentum

[0035] A porous alumina template (whatman) with a pore size of 200nm after hydrophilic and hydrophobic treatment was pasted horizontally in a sand funnel, and the sand funnel was externally connected to a suction filter bottle. Add a saturated concentration of tetraphenylporphyrin solution (solvent: dichloromethane) dropwise to the template, stop every time the template is soaked, continue to drop after the solvent evaporates, and repeat for 20 cycles. During the dropwise addition, suction filtration under reduced pressure was maintained at a constant pressure, and the pressure was 0.04 MPa. After the end, wait for the solvent to fully volatilize, take out the template adsorbed with tetraphenylporphyrin, and dry it under nitrogen to obtain a tetraphenylporphyrin omentum covering the surface of the porous alumina template.

[0036] Electron microscopy was performed after annealing in nitrogen atmosp...

Embodiment 2

[0038] Embodiment 2, preparation tetraphenylporphyrin omentum

[0039] The porous alumina template with a pore size of 50nm after hydrophilic and hydrophobic treatment is horizontally pasted in the sand funnel, and the sand funnel is connected with a suction filter. On the template, repeatedly drop the concentration of 10 -3 M tetraphenylporphyrin solution (solvent: dichloromethane), with an interval of 2 minutes, repeated 10 cycles. During the dropwise addition, suction filtration under reduced pressure was maintained at a constant pressure, and the pressure used was 0.03 MPa. After the end, wait for the solvent to fully volatilize, take out the template adsorbed with tetraphenylporphyrin, and obtain a tetraphenylporphyrin omentum covered on the porous alumina template.

[0040] Electron microscopy was performed after annealing in nitrogen atmosphere.

[0041] Scanning electron microscope images of the obtained samples are shown in Figure 4 . It can be seen from the fig...

Embodiment 3

[0042] Embodiment 3, preparation tetraphenylporphyrin omentum

[0043] A porous alumina template with a pore size of 100nm after hydrophilic and hydrophobic treatment is pasted horizontally in the sand funnel, and the sand funnel is externally connected to a suction filter. On the template, repeatedly drop the concentration of 10 -3 M tetraphenylporphyrin solution (solvent: dichloromethane), with an interval of 2 minutes, repeated 10 cycles. During the dropwise addition, suction filtration under reduced pressure was maintained at a constant pressure, and the pressure used was 0.03 MPa. After the completion, wait for the solvent to fully volatilize, take out the template adsorbed with tetraphenylporphyrin, and obtain a tetraphenylporphyrin omentum covering the surface of the porous alumina template.

[0044] Electron microscopy was performed after annealing in nitrogen atmosphere.

[0045] Scanning electron microscope images of the obtained samples are shown in Figure 5 . ...

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Abstract

The invention discloses a method for preparing an organic net film and the method is simple and feasible. The method of the invention is that the liquid-phase organic compound is deposited on an ordered porous template so as to obtain the organic net film covering on the template; a 0.01-0.07MPa of decompression suction filtering is adopted in depositing process. The method provided by the invention has simple operation, optional material and low cost and can obtain the organic net film with a regular, ordered and controllable structure. The method of the invention can effectively adjust the structure of the organic net film by the size control of an alumina template, solution concentration, suction filtering pressure, etc. The prepared organic net film by adopting the method of the invention can be taken as an organic complex template of an inorganic film and can form an ordered and chain-shaped self-assembly structure of particles covered an original template completely.

Description

technical field [0001] The invention relates to a method for preparing an organic omentum. Background technique [0002] The specific physical and chemical properties of nanomaterials in optical, electrical, magnetic and other aspects make the research and development of related fields a new topic and increasingly become a hot topic. Organic compounds are diverse and multifunctional, and especially have potential application values ​​that some inorganic compounds cannot replace. Therefore, it is increasingly urgent to develop simple and rapid methods for preparing organic nanomaterials. The research on the preparation methods of two-dimensional, one-dimensional and zero-dimensional organic nanostructures occupies an extremely important position in the current field of material science research, especially in the research of composite materials. [0003] The process and process of preparation have an important impact on controlling the microstructure and properties of nanoma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00
Inventor 姚建年骆智训
Owner INST OF CHEM CHINESE ACAD OF SCI
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