A heterometallic cluster-based metal-organic framework crystal material, preparation method and application thereof

A metal-organic framework and crystal material technology, applied in instruments, optics, nonlinear optics, etc., can solve the problems of complex synthesis, large nonlinear optical coefficient, and wide wavelength range of light transmission, and achieve high purity, strong third-order non-linear optics, etc. The effect of linear performance

Active Publication Date: 2021-12-03
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic molecules and polymer nonlinear optical materials have attracted the attention of scientific researchers because of their large nonlinear optical coefficient, wide light transmission wavelength range, short intrinsic switching time, high optical damage threshold, and good processing performance. However, it has the disadvantages of poor thermal stability and complex synthesis.

Method used

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  • A heterometallic cluster-based metal-organic framework crystal material, preparation method and application thereof
  • A heterometallic cluster-based metal-organic framework crystal material, preparation method and application thereof
  • A heterometallic cluster-based metal-organic framework crystal material, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Add 0.1mmol ammonium tetrathiotungstate and 0.3mmol cuprous cyanide to 3mL N,N-dimethylformamide solvent and stir to obtain an orange solution;

[0036] (2) Filter the solution obtained in the first step into a crystallization tube, and add 0.2 mL of N,N-dimethylformamide as a buffer to the upper layer of the filtrate;

[0037] (3) Add 0.05mmol of 1,2,4,5-tetrakis(4-pyridyl)benzene into 5mL of methanol solvent and stir to dissolve. The solution is slowly added to the upper layer of the buffer and sealed, crystallized, filtered, washed and dried That is, the crystal material is obtained.

Embodiment 2

[0039] (1) Add 0.1mmol ammonium tetrathiotungstate and 0.35mmol cuprous cyanide to 3mL N,N-dimethylformamide solvent and stir to obtain an orange solution;

[0040] (2) Filter the solution obtained in the first step into a crystallization tube, and add 0.2 mL of N,N-dimethylformamide as a buffer to the upper layer of the filtrate;

[0041] (3) Add 0.05mmol of 1,2,4,5-tetrakis(4-pyridyl)benzene into 5mL of methanol solvent and stir to dissolve. The solution is slowly added to the upper layer of the buffer and sealed, crystallized, filtered, washed and dried That is, the crystal material is obtained.

Embodiment 3

[0043] (1) Add 0.1mmol ammonium tetrathiotungstate and 0.3mmol cuprous cyanide to 3mL N,N-dimethylformamide solvent and stir to obtain an orange solution;

[0044] (2) Filter the solution obtained in the first step into a crystallization tube, and add 0.5mL N,N-dimethylformamide as a buffer to the upper layer of the filtrate;

[0045] (3) Add 0.05mmol of 1,2,4,5-tetrakis(4-pyridyl)benzene into 6mL of methanol solvent and stir to dissolve. The solution is slowly added to the upper layer of the buffer solution and sealed, crystallized, filtered, washed and dried That is, the crystal material is obtained.

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Abstract

The invention provides a heterometallic cluster-based metal-organic framework crystal material, a preparation method and its application. The heterometallic cluster-based metal-organic framework crystal comprises the following chemical formula {[NH 4 ][WS 4 Cu 4 (tpb)Cu 2 (CN) 5 ]·DMF} n , wherein, tpb=1,2,4,5-tetrakis(4-pyridyl)benzene; DMF is N,N-dimethylformamide. The invention provides a novel heterometallic cluster-based metal-organic framework crystal material, which has the advantages of simple preparation and synthesis, mild conditions, easy control and high purity on the basis of a considerable degree of third-order nonlinear performance.

Description

technical field [0001] The invention relates to the technical field of metal-organic framework materials, in particular to a heterometallic cluster-based metal-organic framework crystal material, a preparation method and an application thereof. Background technique [0002] At present, nonlinear optical materials have been widely used in optical information processing, optical storage, optical computing, laser instruments, laser medical treatment and other fields. The development of nonlinear optical materials has always been aimed at high nonlinear optical coefficients, fast optical nonlinear response, and good material stability, and has been extensively developed in the fields of inorganic, organic, and inorganic-organic hybrid nonlinear optical materials. And in-depth research. [0003] Inorganic crystals are the earliest nonlinear optical materials studied and have been used in the development of devices. However, inorganic nonlinear optical materials have long respons...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): C08G83/00G02F1/355
CPCC08G83/008G02F1/3551
Inventor张金方相前邱晴霞
OwnerJIANGNAN UNIV