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Extraction method of internally-embedded metal fullerene

A metallofullerene and extraction method technology, which is applied to the extraction field of embedded metallofullerene to achieve the effects of high efficiency, reduced extraction cost, and easy availability of raw materials

Active Publication Date: 2011-07-06
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

[0010] The purpose of the present invention is to provide an efficient method for extracting embedded metallofullerenes, to solve the problem of medium extraction of embedded metallofullerenes in the prior art, not only to extract more embedded metallofullerenes from soot Metallofullerenes, and enrich the embedded metallofullerenes efficiently, effectively improve the efficiency of chromatographic separation, so a large amount of embedded metallofullerenes can be obtained

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  • Extraction method of internally-embedded metal fullerene
  • Extraction method of internally-embedded metal fullerene
  • Extraction method of internally-embedded metal fullerene

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Embodiment Construction

[0034] Specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described here are for illustration only, and are not intended to limit the present invention.

[0035] Before the method described in the present invention in detail, it should be understood that the reaction conditions mentioned in the examples of the present invention, such as time, temperature and dosage, vary according to the solvents and reagents used, and are not intended to limit In the present invention, those skilled in the art can know that different solvents require different specific reaction conditions based on common knowledge.

[0036] The invention utilizes the different solubility characteristics and reactivity of fullerene, metal fullerene and their derivatives, thereby separating fullerene and metal fullerene.

[0037] The main principle of the present invention is: fullerene and embedded metal fullerene have different solubilitie...

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Abstract

The invention discloses an extraction method of an internally-embedded metal fullerene, which comprises the steps of: processing an internally-embedded metal fullerene and fullerene-containing soot by reacting and the extracting the internally-embedded metal fullerene, and converting the internally-embedded metal fullerene into a derivant which can be dissolved in dissolvent; converting the fullerene into a material which is hard to dissolve in the dissolvent, and precipitating the material; and recovering the derivant of the internally-embedded metal fullerene to be an un-derived status, andperforming the chromatograph to the derivant to obtain the internally-embedded metal fullerene. The method is simple, is easy to amplify, can effectively improve the chromatograph efficiency, and canbe used for extracting the internally-embedded metal fullerene on a large scale.

Description

technical field [0001] The invention relates to the field of fullerene extraction, in particular to an extraction method for embedded metal fullerenes. Background technique [0002] Fullerenes were discovered in 1985 and five years later produced gram quantities of C using an arc discharge device 60 , which has promoted the extensive research on the physical and chemical properties and applications of fullerenes. [0003] Intercalated metallofullerenes are fullerenes filled with metal atoms inside hollow fullerene carbon cages. Due to its unique electronic structure and geometric structure, it has become a new material that has attracted much attention in the fields of new anti-tumor drugs, medical MRI contrast agents and optoelectronic materials. [0004] At present, the extraction method of metallofullerenes is generally to first synthesize soot by arc method, and then extract metallofullerenes from the soot mixture by solvent extraction or sublimation. The solvent extr...

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Application Information

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IPC IPC(8): C01B31/02
Inventor 孙宝云赵世雄董金泉赵宇亮袁慧
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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