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
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[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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