Terbium metal-organic frame capable of selectively identifying 1-hydroxyl pyrene as well as preparation method thereof

An organic framework and metal technology, applied in the field of terbium metal-organic framework that can selectively recognize 1-hydroxypyrene and its preparation, can solve the problems of complex sample processing, expensive equipment, and long analysis time of toxic reagents, and achieve the synthesis The method is simple and easy to operate, with high yield, good purity and repeatability

Active Publication Date: 2018-06-08
JIANGXI NORMAL UNIVERSITY
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Problems solved by technology

At present, the methods for detecting 1-hydroxypyrene mainly include methods such as high performance liquid chromatography, gas chromatography-mass spectrometry and liquid chromato

Method used

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  • Terbium metal-organic frame capable of selectively identifying 1-hydroxyl pyrene as well as preparation method thereof
  • Terbium metal-organic frame capable of selectively identifying 1-hydroxyl pyrene as well as preparation method thereof

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Embodiment Construction

[0013] Compounds of the present invention [Tb·C 15 h 13 o 14 S 2 ]Synthesis:

[0014] [Tb·C 15 h 13 o 14 S 2 ] is obtained by conventional solvothermal method, and the specific reaction formula is:

[0015] C 15 h 10 o 11 S 2 (3,3'-disulfonic acid-4,4'-dicarboxybenzophenone)+Tb(NO 3 ) 3 +3H 2 O→Tb·C 15 h 13 o 14 S 2 +3HNO 3

[0016] The specific operation steps are as follows: mix terbium nitrate hexahydrate and 3,3'-disulfonic acid-4,4'-dicarboxybenzophenone according to the molar ratio of 1:1 and put them into a container containing 1 ml of water and 2 ml of acetonitrile In a glass bottle with a volume of 20 ml, the amount of terbium nitrate hexahydrate is controlled at about 17.2 mg, and then reacted at a constant temperature at 358K for 4 days to obtain a colorless long prism crystal as a terbium metal-organic framework, and the yield is about 60%. . The single crystal X-ray diffractometer test shows that the crystal is the target compound.

[0017] ...

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Abstract

The invention relates to a metal-organic frame, and provides a terbium metal-organic frame capable of selectively identifying 1-hydroxyl pyrene as well as a preparation method thereof. The chemical formula of the terbium metal-organic frame is [Tb*C15H13O14S2] and is a monoclinic system, the space group is P2/c, a unit cell parameter is as shown in the description, alpha is equal to 90 degrees, beta is equal to 98 to 99 degrees, gamma is equal to 90 degrees and Z is equal to 4. The preparation method adopts the conventional solvothermal method, and the specific reaction equation is as shown inthe description. The terbium metal-organic frame can identify the 1-hydroxyl pyrene highly selectively, the detection sensitivity is high, and the minimal detection quantity in an ethanol solution can reach to 10<-5> mmol/ml.

Description

technical field [0001] The invention relates to a metal-organic framework, in particular to a terbium metal-organic framework that can selectively recognize 1-hydroxypyrene and a preparation method thereof. Background technique [0002] Metal-organic frameworks, also known as metal-organic coordination polymers, refer to new crystalline porous materials that are formed by metal ions and organic ligands through coordination bonds and have the advantages of both inorganic and organic materials. Compared with traditional inorganic porous materials, metal-organic frameworks have the following advantages: tunable pore size and shape, highly ordered pore structure, and can be adjusted by ligands (size, functional groups, substituents, etc.) and metal ions. Realize the synthesis of specific functional complexes. At present, metal-organic frameworks have shown great application potential in the fields of gas adsorption and separation, catalysis, fluorescence and magnetic materials....

Claims

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Application Information

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IPC IPC(8): C08G83/00G01N21/64
CPCC08G83/008G01N21/64
Inventor 王玉玲刘庆燕张文文
Owner JIANGXI NORMAL UNIVERSITY
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