A selective detection fe 3+ Ionic luminescent crystal material and preparation method thereof

A luminescent crystal and selective technology, applied in luminescent materials, chemical instruments and methods, zinc organic compounds, etc., can solve environmental threats and other problems, achieve high purity, mild preparation conditions, and easy control

Active Publication Date: 2019-10-11
BOZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the rapid development of industry has resulted in a large amount of Fe 3+ The ions are discharged into the environmental water body, which poses a serious threat to the environment; at the same time, in the human body, iron deficiency and iron excess can cause great harm to it, such as anemia, heart and liver diseases, diabetes, etc.

Method used

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  • A selective detection fe <sup>3+</sup> Ionic luminescent crystal material and preparation method thereof
  • A selective detection fe <sup>3+</sup> Ionic luminescent crystal material and preparation method thereof
  • A selective detection fe <sup>3+</sup> Ionic luminescent crystal material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1. Preparation of luminescent crystal material: including the following steps:

[0020] (1) Add 0.1 mmol of zinc nitrate and 0.1 mmol of 4,4'-diphenyl ether dicarboxylic acid (OBA) to 5 mL of aqueous solution and stir for 4 minutes, and add sodium hydroxide solution to adjust the pH to 6; (2) Add 0.1 mmol of 4-amino-3,5-bis(imidazolylmethyl)-1,2,4-triazole (3-abit) into 5 mL of methanol solution and stir for 6 minutes; (3) The solution prepared in (1) was placed in a reaction tube and 3 mL of CH 3 OH and H 2 O buffered solvent, where the CH of the buffered solvent 3 OH and H 2 The volume ratio of O is 1:1, and then the solution prepared in step (2) is added to the reaction tube, sealed, crystallized, filtered, washed, and dried to obtain the luminescent crystal material [Zn(OBA)(3-abit) ]n;

[0021] 2. Fe 3+ Ion-selective detection performance test: the prepared luminescent crystal material (1 mg) was added to a metal cation aqueous solution with a volume of 3 ml ...

Embodiment 2

[0026] 1. Preparation of luminescent crystal material: including the following steps:

[0027] (1) Add 0.1 mmol of zinc nitrate and 0.05 mmol of 4,4'-diphenyl ether dicarboxylic acid (OBA) to 5 mL of aqueous solution and stir for 5 minutes, and add sodium hydroxide solution to adjust the pH to 6; (2) Add 0.05mmol of 4-amino-3,5-bis(imidazolemethyl)-1,2,4-triazole (3-abit) into 5mL of methanol solution and stir for 5 minutes; (3) The solution prepared in (1) was placed in a reaction tube and 3 mL of CH 3 OH and H 2 O buffered solvent, where the CH of the buffered solvent 3 OH and H 2 The volume ratio of O is 1:0.5, and then the solution prepared in step (2) is added to the reaction tube, sealed, crystallized, filtered, washed, and dried to obtain the luminescent crystal material [Zn(OBA)(3-abit) ]n;

[0028] 2. Fe 3+ Ion-selective detection performance test: the prepared luminescent crystal material (1 mg) was added to a metal cation aqueous solution with a volume of 3 ml...

Embodiment 3

[0031] 1. Preparation of luminescent crystal material: including the following steps:

[0032] (1) Add 0.1 mmol of zinc nitrate and 0.05 mmol of 4,4'-diphenyl ether dicarboxylic acid (OBA) to 5 mL of aqueous solution and stir for 5 minutes, and add sodium hydroxide solution to adjust the pH to 7; (2) Add 0.1 mmol of 4-amino-3,5-bis(imidazolylmethyl)-1,2,4-triazole (3-abit) into 5 mL of methanol solution and stir for 5 minutes; (3) The solution prepared in (1) was placed in a reaction tube and 3 mL of CH 3 OH and H 2 O buffered solvent, where the CH of the buffered solvent 3 OH and H 2The volume ratio of O is 1:1, and then the solution prepared in step (2) is added to the reaction tube, sealed, crystallized, filtered, washed, and dried to obtain the luminescent crystal material [Zn(OBA)(3-abit) ]n;

[0033] 2. Fe 3+ Ion-selective detection performance test: the prepared luminescent crystal material (1 mg) was added to a metal cation aqueous solution with a volume of 3 ml ...

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Abstract

The invention discloses a luminescent crystal material with a function of selectively detecting Fe<3+> ions, and a preparation method of the luminescent crystal material. The chemical formula of the luminescent crystal material is [Zn(OBA)(3-abit)]n; the luminescent crystal material belongs to a triclinic crystal system; a space group of the luminescent crystal material is P-1; the unit cell parameters of the luminescent crystal material are as follows: a equals to 11.1092(4) angstroms, b equals to 12.9619(4) angstroms, c equals to 14.1041(5) angstroms, alpha equals to 73.382(2) degrees, beta equals to 76.088(2) degrees, gamma equals to 80.229(2) degrees, and Z equals to 2; the structural formula of the luminescent crystal material is shown in the description. The preparation method comprises the following steps: adding zinc nitrate and 4, 4'-oxybisbenzoic acid into a water solution, and stirring; adding 4-amino-3,5-bis(imidazole methyl)-1,2,4-triazole into a methanol solution, and stirring; putting the obtained water solution of the zinc nitrate and the 4, 4'-oxybisbenzoic acid into a reaction tube, adding a buffer solvent into the reaction tube, then slowly adding the methanol solution of the 4-amino-3,5-bis(imidazole methyl)-1,2,4-triazole into the reaction tube, and sealing; after that, crystallizing, filtering, washing, and drying to obtain the luminescent crystal material [Zn(OBA)(3-abit)]n. The luminescent crystal material prepared by the method has a selective detection effect for the Fe<3+> ions, and has good chemical and optical stability.

Description

technical field [0001] The invention relates to the preparation of metal cation detection materials, in particular to a selective detection of Fe 3+ Ionic luminescent crystal material and its preparation method. Background technique [0002] With the rapid development of global industrialization, iron and its alloys have become the most widely used metal materials in the world. Due to their many good properties, they are widely used in various fields of the national economy such as mechanical products, catalysts, and metallurgical products. , providing a strong favorable support for economic development. At the same time, iron is also one of the essential elements that make up the human body. It is not only an important part of hemoglobin, but also a component of many enzymes and immune system compounds, and can participate in the transportation and storage of oxygen, which plays an important role in human health . However, the rapid development of industry has resulted i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F3/06C09K11/06C08G83/00
Inventor 夏友付沈悦王清常永侠杨永建曹帅
Owner BOZHOU UNIV
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