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Metal fullerene derivative and preparation method thereof as well as paramagnetic property regulation method and application thereof

A technology of metallofullerene and derivatives, applied in the control of paramagnetic properties of metallofullerene derivatives, application of metallofullerene derivatives as molecular optical function switches, metallofullerene derivatives and their preparation It can solve the problems of complex operation, low sensitivity, and one-way change of control mode signal, and achieve the effect of simple operation, high sensitivity and low cost.

Active Publication Date: 2017-11-14
赤峰福纳康生物技术有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the existing technical problems of low sensitivity, complex operation, and unidirectional change of the signal of the regulation mode existing in regulating the paramagnetic properties of metallofullerenes by means of cooling or chemical modification, the present invention provides a simple, efficient, novel structure Metallofullerene derivatives that can sensitively adjust the paramagnetic properties of metallofullerenes and their preparation methods, using the characteristics of azobenzene photoisomerization to change the distance between the two spin centers to regulate the paramagnetic properties of metallofullerenes

Method used

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  • Metal fullerene derivative and preparation method thereof as well as paramagnetic property regulation method and application thereof
  • Metal fullerene derivative and preparation method thereof as well as paramagnetic property regulation method and application thereof
  • Metal fullerene derivative and preparation method thereof as well as paramagnetic property regulation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0047] Metal Fullerene Sc 3 N@C 80 The preparation method of the derivative, the process includes:

[0048] (1) Metal fullerene Sc 3 N@C 80 Method of preparation, Sc 3 N@C 80 The molecules are passed through the arc discharge method in a DC arc discharge furnace ( -Huffman method), the specific process includes: first drill a solid graphite rod with an outer diameter of 8mm into a hollow graphite tube with an inner diameter of about 6mm, and then use the ScNi 2 The alloy and graphite powder are mixed evenly according to the mass ratio of 3:1, and then filled into the graphite tube and compacted; install the filled metal / graphite rod on the anode of the electric arc furnace and fix it, close the furnace cover, and turn on the vacuum pump; open The valve between the furnace cavity and the vacuum pump vacuums the electric arc furnace. When the pressure is lower than 10Pa, turn on the cooling circulating water, turn on the electric welder, adjust the current to 100A, turn on the stepp...

Embodiment 2

[0057] Metal Fullerene Sc 3 C 2 @C 80 The preparation method of the derivative, the steps are as follows:

[0058] (1) Metal fullerene Sc 3 C 2 @C 80 Method of preparation, Sc 3 C 2 @C 80 The molecules are passed through the arc discharge method in a DC arc discharge furnace ( -Huffman method), the specific process includes: first drill a solid graphite rod with an outer diameter of 8mm into a hollow graphite tube with an inner diameter of about 6mm, and then use the ScNi 2 The alloy and graphite powder are mixed evenly according to the mass ratio of 3:1, and then filled into the graphite tube and compacted; install the filled metal / graphite rod on the anode of the electric arc furnace and fix it, close the furnace cover, and turn on the vacuum pump; open The valve between the furnace cavity and the vacuum pump vacuums the electric arc furnace. When the pressure is lower than 10Pa, turn on the cooling circulating water, turn on the electric welder, adjust the current to 100A, turn...

Embodiment 3

[0064] Detection process of photoexcited electron transfer paramagnetic signal

[0065] (1) Metal fullerene Sc 3 N@C 80 The method for detecting electronic paramagnetic resonance spectroscopy properties of derivatives includes: dissolving about 0.5 mg of a sample in 1 mL of toluene solution, placing the solution in a quartz tube with a plug, and then testing the electronic paramagnetic signal (ESR) properties of the sample. First use ultraviolet light for a period of time, and detect metal fullerene Sc every four minutes 3 N@C 80 The ESR signal of the derivative is then used with visible light to detect the change of the ESR signal.

[0066] by figure 2 It can be seen that the metal fullerene Sc 3 N@C 80 There is no paramagnetic signal, and three characteristic lines appear after connecting small molecules of nitroxide radicals. Under the condition of ultraviolet light, the electron transfer in the molecule causes the decrease of the ESR signal (after 4 minutes of light, the ESR s...

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Abstract

The invention discloses a metal fullerene derivative and a preparation method thereof as well as a paramagnetic property regulation method and application thereof. The metal fullerene derivative is a type of metal fullerene derivative obtained by carrying out addition reaction and modifying azobenzene nitrogen oxygen free radical micromolecules on the surface of the paramagnetic metal fullerene. Different light irradiates the metal fullerene derivative; the paramagnetic property of the metal fullerene can be regulated through the change of relative positions between the metal fullerene and the nitrogen oxygen free radical molecule dual-spinning centers; the metal fullerene derivative provided by the invention is novel in structure, has photoswitch property and is capable of simply, conveniently, efficiently and sensitively regulating the paramagnetic property of the metal fullerene; the technical problems of low sensitivity, complex operation and one-way change of signals of regulation manner in the existing temperature reduction or chemical modification manner for regulating the paramagnetic property of the metal fullerene can be solved; the metal fullerene derivative can be used as a molecular light function switch and can be applied to all optical networks and optical switching.

Description

Technical field [0001] The invention relates to the technical field of molecular optical function switches, in particular to a metal fullerene derivative and a preparation method thereof, as well as a method for regulating the paramagnetic properties of the metal fullerene derivative and the use of the metal fullerene derivative as a molecular optical function Switch application. Background technique [0002] Metal fullerenes are mainly divided into two types: paramagnetism and diamagnetism, which are distinguished by whether they have spin single electrons. Metals or clusters are put into metal fullerenes to form embedded metal fullerenes, so that the internal groups are separated from the outside environment, and even highly reactive groups can exist stably inside. This allows the embedded metal fullerene to exist stably at room temperature, and has a long spin coherence time, and has a wide range of applications in the fields of quantum computing and communication. Because t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/156
Inventor 王春儒吴波
Owner 赤峰福纳康生物技术有限公司
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