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A kind of molybdenum-based supramolecular phase change crystal material and preparation method thereof

A crystal material and supramolecular technology, which is applied in the field of molybdenum-based supramolecular phase change crystal material and its preparation, can solve the problems of danger and high energy consumption in the synthesis process, and achieve good energy consumption effect

Active Publication Date: 2022-02-15
XINJIANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a molybdenum-based supramolecular phase-change crystal material and its preparation method, aiming at solving the problem that most of the existing molybdenum-based supramolecular compounds are synthesized under high temperature and high pressure, and the synthesis process consumes a lot of energy and has a certain the question of the danger

Method used

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  • A kind of molybdenum-based supramolecular phase change crystal material and preparation method thereof
  • A kind of molybdenum-based supramolecular phase change crystal material and preparation method thereof
  • A kind of molybdenum-based supramolecular phase change crystal material and preparation method thereof

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Effect test

Embodiment 1

[0034] (1) Weigh 0.2g Na 2 MoO 4 2H 2 O(8.266×10 -4 mol) was dissolved in 3mL of pure water (ultrasonic dissolution), and 10mL of hydrochloric acid (36%-38%) was added to Na 2 MoO 4 2H 2 In the beaker of O, fully stand still, collect filtrate after suction filtration precipitation;

[0035] (2) Weigh 0.092g 1,4-diazabicyclo[2.2.2]octane (C 6 h 12 N 2 )(8.201×10 -4 mol) was dissolved in 10 mL of acetone solution (ultrasonic dissolution), and the above solution was uniformly mixed, and after about 15 days, a green crystal-like molybdenum-based supramolecular phase-change crystal material 1 was obtained.

Embodiment 2

[0037] (1) Potassium molybdate is dissolved in pure water to obtain a solution 1 with a concentration of 0.2 mol / L, and 10 mL of hydrochloric acid with a mass concentration of 36% is added to 2 mL of solution 1 to allow it to stand fully, and the filtrate is collected after the precipitation by suction filtration;

[0038] (2) 1,4-diazabicyclo[2.2.2]octane was dissolved in acetone to obtain solution 2 with a concentration of 0.05mol / mL, and 10mL of the filtrate in step (1) was added to 8mL of solution 2, Mix evenly and let stand for 14 days to obtain molybdenum-based supramolecular phase-change crystal material 2 in the form of green crystals.

Embodiment 3

[0040] (1) dissolving ammonium molybdate in purified water to obtain a solution 1 with a concentration of 0.4mol / L, adding 10 mL of hydrochloric acid with a mass concentration of 38% to 5 mL of solution 1 and leaving it fully, and collecting the filtrate after the precipitation by suction filtration;

[0041] (2) Dissolve 1,4-diazabicyclo[2.2.2]octane in acetone to obtain solution 2 with a concentration of 0.05mol / L, add 10mL of the filtrate in step (1) to 5mL of solution 2, Mix evenly and let stand for 16 days to obtain molybdenum-based supramolecular phase change crystal material 3 in the form of green crystals.

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Abstract

The invention discloses a molybdenum-based supramolecular phase transition crystal material and a preparation method thereof. In the present invention, a solution 1 with a concentration of 0.2 to 0.4 mol / L is obtained by dissolving the "Mo=O-based" molybdenum metal compound in pure water, adding hydrochloric acid with a mass concentration of 36% to 38% into the solution 1 and letting it stand still, pumping Collect the filtrate after filtering the precipitate; wherein, the volume ratio of solution 1 to hydrochloric acid is (2-5): 10; 1,4-diazabicyclo[2.2.2]octane is dissolved in acetone to obtain a concentration of 0.05- 0.1mol / L solution 2, add the filtrate described in step (1) to the solution 2, mix uniformly, and let stand for 14 to 16 days to obtain a novel molybdenum-based supramolecular phase change crystal material; wherein, solution 2 and the filtrate The volume ratio is (5-8):10. The preparation process of the invention can be completed at room temperature, and compared with the synthesis process of the existing molybdenum-based supramolecular compound, the invention has better energy consumption and is safer.

Description

technical field [0001] The invention belongs to the field of new crystal materials, in particular to a molybdenum-based supramolecular phase transition crystal material and a preparation method thereof. Background technique [0002] Dielectric anomaly-phase change crystal materials have novel structures and excellent physical and chemical properties. They are indispensable intelligent materials for modern information storage, microelectronics, remote sensing, lasers, etc. Its special dipole arrangement structure and the characteristics of integrating light, electricity, magnetism, heat and force make it have a special application prospect that cannot be replaced by any material. [0003] Dielectric anomalies in the synthesis of metals and organics-phase-change crystal materials break the boundaries of inorganic-organic chemistry and promote the development of coordination compounds. Due to the diversity of metal ions and organic ligands, when using hydrogen bonds to construc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00
CPCC08G83/008
Inventor 刘尊奇刘洋张子钰
Owner XINJIANG AGRI UNIV
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