Synthesis method of three-dimensional zinc complex, and application of three-dimensional zinc complex as fluorescent probe and photodegradation and ferroelectric material

A technology of fluorescent probes and zinc complexes, which is applied in the fields of luminescent materials, fluorescence/phosphorescence, and material analysis through optical means, achieving high yield, easy operation, and good reproducibility

Inactive Publication Date: 2020-03-17
YANCHENG TEACHERS UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] In summary, complexes with fluorescent, photodegradable, and ferroelectric properties have been reported separately, but can simultaneously...

Method used

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  • Synthesis method of three-dimensional zinc complex, and application of three-dimensional zinc complex as fluorescent probe and photodegradation and ferroelectric material
  • Synthesis method of three-dimensional zinc complex, and application of three-dimensional zinc complex as fluorescent probe and photodegradation and ferroelectric material
  • Synthesis method of three-dimensional zinc complex, and application of three-dimensional zinc complex as fluorescent probe and photodegradation and ferroelectric material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: the synthesis of complex

[0037] 29.7 mg of zinc nitrate hexahydrate (Zn(NO 3 ) 2 ·6H 2 O), 23.8 mg of 1,3-bis(2-methyl-1-imidazolyl)benzene (1,3-BMIB), 22.2 mg of 5-tert-butylisophthalic acid (H 2 TBIP) was mixed in the polytetrafluoroethylene liner of a hydrothermal 25mL reactor, then added 18mL aqueous solution, stirred at room temperature for 30 minutes, reacted for 72 hours at 150°C, and the resulting product was washed three times with ethanol (2mL / time ), to obtain colorless transparent bulk crystals. The calculated yield based on metal Zn is 61.2%.

[0038] get the mixture

Embodiment 2

[0039] Embodiment 2: Structural characterization of complexes

[0040] The crystal structure adopts Bruker Smart CCD X-ray single crystal diffractometer, and at 296(2) K, selects crystals with a size of 0.25×0.14×0.13mm, and uses MoKα rays (λ=0.07107nm) that have been monochromated by graphite as The incident radiation source is used to collect diffraction points by ω / 2θ scanning, the unit cell parameters are refined by the least square method, and the collected data is corrected for absorption with the SADABS program. The structure of the complex was solved by the direct method, the coordinates of non-hydrogen atoms and the anisotropy temperature factor were refined by the full-matrix least-squares method, and all calculations were completed by the SHELXTL program. The detailed crystallographic parameters are listed in Table 1. [Zn(1,3-BMIB)(TBIP)·2H 2 O] n The crystal structure diagram and three-dimensional structure diagram are shown in Fig. 1(a) and Fig. 1(b).

[004...

Embodiment 3

[0043] Example 3: Fluorescent Properties of Complexes

[0044] LS-55 fluorescence spectrometer was used to test the fluorescence properties of the complexes at room temperature.

[0045] It can be seen from Figure 2(a) that in the selected metal ion aqueous solution, the fluorescence intensity of the zinc complex prepared in Example 1 shows a dependence on the metal ion, and on Fe 3+ exhibits a complete fluorescence quenching effect and is expected to become a Fe 3+ fluorescent probes.

[0046] It can be seen from Figure 3(a) that in the selected anion aqueous solution, the fluorescence intensity of the zinc complex prepared in Example 1 shows a dependence on the type of anion, only Cr 2 o 7 2- exhibits a complete fluorescence quenching effect and is expected to become a Cr 2 o 7 2- fluorescent probes.

[0047] from Figure 4 It can be seen that in the selected antibiotic aqueous solution, the fluorescence intensity of the zinc complex prepared in Example 1 is dependen...

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Abstract

The invention provides a preparation method of a zinc complex and an application of the zinc complex as a fluorescent probe and a photodegradation and ferroelectric material. The chemical formula of the complex is [Zn(1,3-BMIB)(TBIP).2H2O]n, wherein 1,3-BMIB is 1,3-bis(2-methyl-1-imidazolyl)benzene, and H2TBIP is 5-tert-butylisophthalic acid. The zinc complex is of a three-dimensional structure formed by self-assembling of Zn<2+> with 1,3-BMIB and TBIP<2-> ligands. The zinc complex has an obvious fluorescence quenching effect on ferric ions, dichromate ions and furacilin, can be used as the fluorescent probe, and has potential application values in the fields of environmental monitoring and life science. The zinc complex has the property of efficiently catalyzing and degrading methylene blue dye, is easy to separate and can be recycled for multiple times. The zinc complex has excellent ferroelectric properties, is expected to become a novel ferroelectric material and has a wide application prospect in the field of information storage.

Description

[0001] Statement on funding research or development: This invention is carried out under the support of Jiangsu Provincial Policy Guidance Program (Industry-University-Research Cooperation)-Prospective Joint Research Project (Grant no.BY2016066-08). technical field [0002] The invention belongs to the technical field of organic synthesis and organometallic chemistry, and specifically relates to a three-dimensional compound with 1,3-bis(2-methyl-1-imidazolyl)benzene and 5-tert-butylisophthalic acid as ligands. Preparation of zinc complexes and their use as ferric ions (Fe 3+ ), dichromate ion (Cr 2 o 7 2- ), nitrofurazone (NZF) fluorescent probe, methylene blue (MB) dye photodegradation catalyst and application of ferroelectric materials. Background technique [0003] Compared with traditional luminescent materials, complex fluorescent materials have attracted much attention due to their high chemical stability of inorganic materials and high quantum yield of organic mate...

Claims

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Application Information

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IPC IPC(8): C08G83/00B01J31/22C02F1/30C09K11/06G01N21/64C02F101/38
CPCB01J31/2243B01J35/004B01J2531/26C02F1/30C02F2101/40C02F2305/10C08G83/008C09K11/06C09K2211/188G01N21/6428G01N21/643G01N2021/6432
Inventor 王俊陈宁宁许晓娟
Owner YANCHENG TEACHERS UNIV
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