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Photo-thermal conversion eutectic material containing pyrene and preparation method of material

A technology for photothermal conversion and eutectic materials, applied in organic chemistry, crystallization purification/separation, carboxylic acid nitrile purification/separation, etc., can solve the problem of low photothermal conversion efficiency, and achieve excellent photothermal conversion performance, repeatability The effect of high utilization rate and high photothermal conversion efficiency

Pending Publication Date: 2022-01-07
SHANTOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the photothermal conversion efficiency of organic photothermal eutectic materials, especially in the near-infrared region, is not very high.

Method used

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  • Photo-thermal conversion eutectic material containing pyrene and preparation method of material
  • Photo-thermal conversion eutectic material containing pyrene and preparation method of material
  • Photo-thermal conversion eutectic material containing pyrene and preparation method of material

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Embodiment 1

[0069] Such as figure 1 As shown, this embodiment adopts the solvent volatilization process route, and the detailed steps for preparing the photothermal conversion eutectic material containing PY by the solvent volatilization process route are as follows:

[0070] (1) Weigh 6.06 mg of PY solid and place it in a beaker, add 3 mL of ethyl acetate, and sonicate at room temperature for about 5 minutes to fully dissolve PY.

[0071] (2) Weigh 3.84mg solid electron acceptor component TCNE into a beaker, add 3mL ethyl acetate, and ultrasonicate at room temperature for 5 minutes to fully dissolve TCNE.

[0072] (3) The ethyl acetate solution of PY and the electron acceptor component is fully mixed to form a black intermolecular charge transfer complex.

[0073] (4) Seal the mouth of the beaker with a parafilm, and then punch a series of uniform small holes on the parafilm with the needle of a 1ml syringe. Finally, stand and volatilize under normal temperature and pressure, and the f...

Embodiment 2

[0075] Such as figure 1 As shown, this embodiment adopts the solvent volatilization process route, and the detailed steps for preparing the photothermal conversion eutectic material containing PY by the solvent volatilization process route are as follows:

[0076] (1) Weigh 6.06 mg of PY solid and place it in a beaker, add 3 mL of acetonitrile, and sonicate at room temperature for about 5 minutes to fully dissolve PY.

[0077] (2) Weigh 6.12 mg solid electron acceptor component TCNQ into a beaker, add 3 mL of acetonitrile, and ultrasonicate at room temperature for 5 minutes to fully dissolve TCNQ.

[0078] (3) The acetonitrile solution of PY and the electron acceptor component was fully mixed to form a black intermolecular charge transfer complex.

[0079] (4) Seal the mouth of the beaker with a parafilm, and then punch a series of uniform small holes on the parafilm with the needle of a 1ml syringe. Finally, stand and volatilize under normal temperature and pressure, and th...

Embodiment 3

[0081] Such as figure 1 As shown, this embodiment adopts the solid phase grinding method route and the solvent volatilization process route to prepare the photothermal conversion eutectic material containing PY. The detailed steps are as follows:

[0082] (1) Weigh 6.06 mg of electron donor component PY solid.

[0083] (2) Weigh the electron acceptor component, 3.84 mg of TCNE.

[0084] (3) The PY and the electron acceptor component solids are fully mixed, and the PY and the electron acceptor component in contact with each other begin to form a dark intermolecular CT complex.

[0085] (4) Transfer the solid mixture described in (3) to a mortar or ball mill, and pressurize and grind for 10 minutes. During this period, the contact between the two components is more sufficient, and the CT complex is promoted to form with the lowest energy. orderly self-assembly to form a cocrystal.

[0086] (5) After grinding, the eutectic material in the form of eutectic pyrene-tetracyanoethy...

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Abstract

The invention relates to the field of material preparation, in particular to a photo-thermal conversion eutectic material containing pyrene and a preparation method of the photo-thermal conversion eutectic material. The eutectic material formed by PY and tetracyanoethylene (TCNE) as well as 7, 7, 8, 8,-tetracyanodimethyl p-benzoquinone (TCNQ) has excellent photo-thermal conversion performance, and particularly, the photo-thermal conversion efficiency in a near-infrared region is very high. Besides, the eutectic material has excellent photo-thermal conversion performance and high thermal stability, the preparation conditions are mild and simple, the cost is low, and the two materials belong to two new materials and are particularly related to photo-thermal conversion, sewage treatment, seawater desalination, photo-thermal imaging and photo-thermal treatment.

Description

technical field [0001] The invention relates to the field of material preparation, in particular to a photothermal conversion eutectic material containing pyrene and a preparation method thereof. Background technique [0002] Organic photothermal conversion functional materials can absorb light and convert it into heat. Taking advantage of this feature, near-infrared photothermal materials have been widely used (Chem.Rev.2015, 115, 11012-11042), including photothermal imaging, photothermal therapy , photothermal-electrical devices, seawater desalination and other fields. In order to obtain high-performance organic near-infrared photothermal materials, common methods mainly focus on extending the molecular conjugation length or covalently connecting electron donor and electron acceptor segments to enhance the absorption in the visible region or near-infrared (small 2016,12 ,24–31) and enhance the quenching effect of fluorescence or increase the concentration of free radicals...

Claims

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Application Information

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IPC IPC(8): C07C15/38C07C255/09C07C255/31C07C7/14C07C253/34
CPCC07C15/38C07C255/09C07C255/31C07C7/14C07C253/34C07C2603/50C07C2601/16
Inventor 李明德陈业韬何佳兴党丽陈文斌余杰荣朱升李海林
Owner SHANTOU UNIV
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