Method for preparing phenylamino porphyrin self-assembled nanomaterial by adopting co-solvent method

Abstract

The invention discloses a method for preparing a phenylamino porphyrin self-assembled nanomaterial by adopting a co-solvent method. The method comprises the following steps: 1) preparing CTAB, SDS, MTAB or P123 aqueous solution; 2) preparing a DMF solution of phenylamino porphyrin; and 3) adding the solution in the step 2) into the solution in the step 1), stirring for 40-50h at 25 DEG C, and performing centrifugal separation, to obtain a solid, namely the phenylamino porphyrin self-assembled nanomaterial. The method has the advantages of the original methods, the yield problem can be solved as a great amount of phenylamino porphyrin is dissolved in the DMF solution; by taking micelle as a confinement template, the self assembling can be conducted under the assistance of an emulsifying agent by changing the soluble state of phenylamino porphyrin molecules into a non-soluble state through the weak phase interaction between molecules, finally the porphyrin molecule assembled body with controllable shapes can be obtained, and the assembled material has an important role in the fields of photocatalysis, nanodevices and the like.

Description

technical field [0001] The invention belongs to the fields of material chemistry and organic supermolecules, and in particular relates to a method for preparing anilinoporphyrin self-assembled nanomaterials by using a co-solvent method. Background technique [0002] With the development of science and technology, human beings have further deepened their exploration of the microcosm. The discovery and application of nanomaterials have provided powerful conditions for human beings to realize the rational utilization of resources and the development of new energy sources. New nanotechnology is the basis of scientific and technological progress. The research and development of nanomaterials and their applications are of great significance to the development of my country's high technology and the improvement of national economic construction. Nanostructured functional materials are an important research content of nanotechnology, and molecular self-assembly is one of the imp...

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Problems solved by technology

The reprecipitation method used to synthesize porphyrin self-assembly requires that the two solvents added must be compatible, which greatly limits the range of solvent selection, thereby limiting the solubility of porphyrin, and the product yield is too low, which limits its application; The ion self-assembly method is to assemble two oppositely charged ions through electrostatic drive. There are very few types of ion porphyrins suitable for this method, and the synthesis of these anion and cation porphyrins is also relatively difficult, which makes this method subject to certain restrictions; The vapor phase deposition method requires porphyrins to have a sublimation point, but in practical applications, most porphyrins, especially metal porphyrins, decompose and carbonize before reaching the sublimation point, and there is no sublimation point at all, so this method also has Certain limitations; the traditional microemulsion-assisted self-assembly method requires porphyrin to be dissolved in an organic solvent and then poured into a poor solvent, but most porphyrins have limited solubility in organic solvents, making it difficult to prepare assemblies on a large scale, and the cost is high , which limits its application prospects

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