A coordination polymer with ferroelectric properties, preparation method and application thereof

A technology of coordination polymers and properties, applied in the direction of cadmium organic compounds, etc., can solve the problems of poor long-term stability of performance, low ferroelectric coupling coefficient, small relative dielectric constant, etc., and achieve high thermal decomposition temperature and low production cost. , the effect of uniform crystal particles

Active Publication Date: 2016-03-30
ZIBO LUBAO METAL PROD CO LTD
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Problems solved by technology

However, due to the low ferroelectric coupling coefficient and small relative permittivity of organic ferroelectric materials, the long-term stability of performance and function is relatively poor, which greatly restricts its application.

Method used

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  • A coordination polymer with ferroelectric properties, preparation method and application thereof
  • A coordination polymer with ferroelectric properties, preparation method and application thereof
  • A coordination polymer with ferroelectric properties, preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0026] At room temperature, 10 mmol CdCl 2 2.5H 2 O and 10mmol phenylalanine derivatives are fully stirred and mixed in 6ml water, and the molecular structure of phenylalanine derivatives is as follows Image 6 As shown, put it into the reactor, and prepare a coordination polymer with ferroelectric properties by hydrothermal self-assembly. Its structural formula is:

[0027]

[0028] The coordination polymer crystal in embodiment 1 is analyzed, select the single crystal of suitable size under the microscope, use the MoKα ray (λ=0.71073 ) on the BrukerApexIICCD diffractometer to measure the X-ray diffraction structure of the single crystal, and the results are shown in Table 1. The SADABS method was used for semi-empirical absorption correction, the unit cell parameters were determined by the least squares method, the data reduction and structure analysis were completed using the SAINT and SHELXL program packages, and all non-hydrogen atoms were anisotropically refined by...

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Abstract

The invention discloses a coordination polymer with ferroelectric properties and a preparation method and application thereof. The chemical formula of the coordination polymer is Cd(C17H15N2O2)Cl; at a room temperature, a soluble compound containing Cd<2+> and a phenylalanine derivative are fully mixed and stirred in water, and put into a reaction still, so that the coordination polymer is prepared through self-assembly in a hydrothermal method. The coordination polymer can be applied to manufacturing electrooptic devices, information storage devices, non-linear optic devices and infrared sensors. According to the the coordination polymer with the ferroelectric properties disclosed by the invention, the adoptive materials are simple in preparation process, the operation is easy, the raw material resources are rich, the production cost is low, the productivity is high, and the repeatability is good; the coordination polymer is unlikely to dissolve in ordinary solvent, the thermal decomposition temperature point is relatively high, and the crystal particles are uniform.

Description

technical field [0001] The invention belongs to the technical field of synthesis of molecular-based ferroelectric materials, and in particular relates to a coordination polymer with ferroelectric properties, a preparation method and an application thereof. Background technique [0002] Ferroelectric materials are a class of pyroelectric materials. There is a phenomenon of spontaneous polarization when no external electric field is applied, and within a certain temperature range, the polarization will be reversed or reoriented under the action of an external electric field. Under the action of an external electric field, ferroelectric materials will exhibit hysteresis loop characteristics, such as Xu, Y.H. Ferroelectric materials and their application. New York: Elsevier Science Publisher, 1991. This property of the material is known as "ferroelectricity" or "ferroelectric effect". Due to their excellent ferroelectricity, piezoelectricity, pyroelectricity and nonlinear opti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F3/08
CPCC08G83/008
Inventor 陈立庄曹星星黄登登潘其建
Owner ZIBO LUBAO METAL PROD CO LTD
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