Three-dimensional coordination polymer nonlinear optical material and preparation method thereof

A technology of coordination polymer and nonlinear optics, which is applied in the field of three-dimensional coordination polymer nonlinear optical materials and its preparation, and achieves the effect of simple preparation process and high yield

Inactive Publication Date: 2016-08-03
HENAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, how to effectively control the synthesis of non-central coordination polymers a

Method used

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  • Three-dimensional coordination polymer nonlinear optical material and preparation method thereof
  • Three-dimensional coordination polymer nonlinear optical material and preparation method thereof
  • Three-dimensional coordination polymer nonlinear optical material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 2-(4-pyridyl)-1H-imidazole-4,5-dicarboxylic acid (0.5mmol), potassium thiocyanate (1mmol) and MnCl 2 4H 2 O (1mmol) was added to 6 ml of water, stirred for 20 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, kept at a constant temperature of 160°C for 3 days, cooled to room temperature, filtered, washed, and dried to obtain a yellow block crystals with a yield of 64%.

Embodiment 2

[0019] Take 2-(4-pyridyl)-1H-imidazole-4,5-dicarboxylic acid (0.5mmol), potassium thiocyanate (0.8mmol) and MnCl 2 4H 2 O (1 mmol) was added to 5 ml of water, stirred for 20 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, kept at a constant temperature of 170°C for 3 days, cooled to room temperature, filtered, washed, and dried to obtain a yellow block crystals with a yield of 27%.

Embodiment 3

[0021] Take 2-(4-pyridyl)-1H-imidazole-4,5-dicarboxylic acid (0.6mmol), potassium thiocyanate (1mmol) and MnCl 2 4H 2 O (1 mmol) was added to 7 ml of water, stirred for 20 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, kept at a constant temperature of 180°C for 3 days, cooled to room temperature, filtered, washed, and dried to obtain a yellow block crystals with a yield of 21%.

[0022] 1) Determination of crystal structure:

[0023] The above-prepared crystals were selected for structural analysis. At 296±2K on the BrukerApex-IICCD diffractometer, graphite monochromatized MoKα rays (λ=0.71073?), in the range of 2.35°<θ<25° Collect crystal diffraction point data, the crystal structure is solved by empirical method, the coordinates of all non-hydrogen atoms in the complex are corrected by the anisotropic temperature factor by the full matrix least square method, and the coordinates of all hydrogen atoms are found by the theoretical hydrogenation program . ...

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PUM

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Abstract

The invention belongs to the field of transition metal polymers, and in particular relates to a three-dimensional coordination polymer nonlinear optical material of which the chemical formula is {[Mn(HPIDC)](H2O).2H2O}n, wherein in the formula, HPIDC is divalent anion of 2-(4-pyridyl)-1H-imidazole-4,5-dicarboxylic acid. The secondary harmonic effect (SHG) of the three-dimensional coordination polymer nonlinear optical material is 1.5 times of that of a standard sample potassium dihydrogen phosphate (KDP), and the three-dimensional coordination polymer nonlinear optical material has certain second-order nonlinear properties, has the potential to be a nonlinear optical material, and has wide application prospects in fields such as optical information storage, laser communication, electronic instruments and medical instruments.

Description

technical field [0001] The invention belongs to the technical field of transition metal coordination polymer materials, and in particular relates to a three-dimensional coordination polymer nonlinear optical material and a preparation method thereof. Background technique [0002] With the vigorous development of optoelectronic technology, nonlinear optical crystal materials have broad application prospects in communication, laser, optical information storage and other fields. Coordination polymers combine the advantages of inorganic and organic nonlinear materials, can regulate the geometric configuration of the metal center and the coordination directionality of metal-organic ligands, and directionally synthesize non-centrosymmetric skeleton materials. hotspot. In recent years, some progress has been made in the research of coordination polymers as nonlinear optical materials (YeQiong, LiYong-Hua, SongYu-Mei, HuangXue-Feng, XiongRen-Gen, XueZiling, Inorg.Chem., 2005, 44, 6...

Claims

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Application Information

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IPC IPC(8): C08G83/00C07F13/00
CPCC07B2200/13C07F13/005C08G83/00
Inventor 李亚敏伦会洁李海燕李雪飞金邻豫李永红
Owner HENAN UNIVERSITY
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