Preparation method of single-molecular magnet [Dy2(saph)2Cl2].4CH3OH

A 4CH3OH, single-molecule magnet technology, applied in chemical instruments and methods, inductance/transformer/magnet manufacturing, organic materials/organic magnetic materials magnetism, etc. problems such as mass production, to achieve the effect of high yield, strong repeatability and simple synthesis method

Inactive Publication Date: 2014-03-19
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the problems that the current rare earth cluster single-molecule magnet synthesis method has a low yield, the complex synthesis method is complex, and cannot be mass-produced, and provides a single-molecule magnet [Dy 2 (saph) 2 Cl 2 ]·4CH 3 The preparation method of OH

Method used

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  • Preparation method of single-molecular magnet [Dy2(saph)2Cl2].4CH3OH
  • Preparation method of single-molecular magnet [Dy2(saph)2Cl2].4CH3OH
  • Preparation method of single-molecular magnet [Dy2(saph)2Cl2].4CH3OH

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specific Embodiment approach 1

[0014] Specific implementation mode 1: a single-molecule magnet [Dy 2 (saph) 2 Cl 2 ]·4CH 3 The preparation method of OH is prepared according to the following steps:

[0015] 1. Dissolve o-aminophenol-salicylaldehyde in acetonitrile to obtain solution A; dissolve dysprosium chloride in methanol to obtain solution B; then mix solution A and solution B, and then add a concentration of 0.001mol / L tris Ethylamine, obtains mixed solution; Wherein the ratio of the amount of substance of ortho-aminophenol-salicylaldehyde, dysprosium chloride and triethylamine is 1: 1: 1, and the volume ratio of methyl alcohol and acetonitrile is 1: 3; Wherein solution A The ratio of o-aminophenol salicylaldehyde to acetonitrile is (0.0211-0.0214) g: 1 mL, and the ratio of dysprosium chloride to methanol in solution B is (0.0125-0.0126) g: 1 mL;

[0016] 2. Stir the mixed solution obtained in step 1 at room temperature to obtain a preform;

[0017] 3. The solvent in the preform obtained in step ...

specific Embodiment approach 2

[0020] Embodiment 2: This embodiment differs from Embodiment 1 in that the ratio of o-aminophenol salicylaldehyde to acetonitrile in solution A described in step 1 is 0.0213 g: 1 mL. Others are the same as the first embodiment.

specific Embodiment approach 3

[0021] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the ratio of dysprosium chloride to methanol in solution B in step 1 is (0.01256-0.01257) g: 1 mL. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a preparation method of a single-molecular magnet [Dy2(saph)2Cl2].4CH3OH and relates to the preparation method of the single-molecular magnet [Dy2(saph)2Cl2].4CH3OH, which is used for solving the problems that an existing synthesis method for a rear-earth cluster compound single-molecular magnet is lower in yield, complex in synthesis method of a coordination compound and incapable of carrying out mass production. The preparation method comprises the following steps: I, dissolving o-aminophenol salicylaldehyde acetal into acetonitrile to obtain liquor A; dissolving dysprosium chloride into methanol to obtain liquor B; mixing the liquor A with the liquor B, adding triethylamine with concentration of 0.001mol/L to obtain mixed liquor; II, stirring the mixed liquor obtained in the step I under the room temperature to obtain a preform; and III, volatilizing the preform in the solvent to obtain the single-molecular magnet [Dy2(saph)2Cl2].4CH3OH. The preparation method disclosed by the invention is simple, and high in yield which reaches over 45.76%. The preparation method disclosed by the invention is applied to the field of preparing the single-molecular magnets.

Description

technical field [0001] The present invention relates to a single molecule magnet [Dy 2 (saph) 2 Cl 2 ]·4CH 3 The preparation method of OH. Background technique [0002] Single-molecule magnets refer to those single-molecule molecules that can be magnetized under a magnetic field and remain magnetic after the magnetic field is removed. The curve of its magnetization to an external magnetic field will appear a hysteresis loop. The magnetism of single-molecule magnets is entirely derived from the individual molecules themselves, rather than relying on the long-range order and interaction of intermolecular arrangements like conventional magnets. In 1967, Wickman et al. published a paper on molecular-based magnets of iron complexes, which exhibit ferromagnetic order in the crystalline state at 2.46K. In 1993, GatteschiD et al. discovered the first single-molecule magnet Mn 12 Clusters, opening up a new field of magnetism. In the past ten years, scientists are not satisfied...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F5/00H01F1/42H01F41/02
Inventor 高婷孙鸥闫鹏飞李光明
Owner HEILONGJIANG UNIV
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