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Porphyrin covalent functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material as well as preparation and application of porphyrin covalently functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material

A nano-hybrid material, nano-sheet technology, applied in the direction of luminescent materials, carbides, titanium carbides, etc., to achieve the effects of high-efficiency electron transfer and transmission efficiency, broadening the scope of application, and strong nonlinear absorption performance

Pending Publication Date: 2021-12-24
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To date, no porphyrins or phthalocyanines have been introduced into Ti 3 C 2 T x In nanosheets and its research on photophysical properties, the present invention proposes based on the above-mentioned problems

Method used

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  • Porphyrin covalent functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material as well as preparation and application of porphyrin covalently functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material
  • Porphyrin covalent functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material as well as preparation and application of porphyrin covalently functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material
  • Porphyrin covalent functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material as well as preparation and application of porphyrin covalently functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Covalent functionalization of Ti based on porphyrin 3 C 2 T x Preparation of nanosheet nonlinear nanohybrid materials, refer to figure 1 Shown:

[0042] first step:

[0043] Ti 3 C 2 T x References Synthesis of Nanosheets. Generally, 1g of Ti 3 AlC 2 Carefully add 20mL of hydrofluoric acid solution, then stir at 40°C for 24h. Ti 3 C 2 T x The product was washed with deionized water and centrifuged at 8000rpm for 5 minutes. This process takes several times until the pH of the supernatant becomes 6. The precipitate obtained by centrifugation was redispersed in deoxygenated deionized water, then the suspension was ultrasonicated for one hour, centrifuged at 3500 rpm for 45 minutes, and the supernatant was removed and freeze-dried to obtain a black fluffy Ti 3 C 2 T x Nanosheets (350 mg).

[0044] Step two:

[0045] 5-(4-Nitrophenyl)-10,15,20-triphenylporphyrin was prepared by literature methods. The specific steps are as follows: add 1.7g tetraphenylpor...

Embodiment 2

[0064] Compared with Example 1, most of them are the same, except for the addition of 5-(4-aminophenyl)-10,15,20-phenylporphyrin, tetrafluoroboric acid aqueous solution and isoamyl nitrite The ratio was adjusted to 100mg: 0.08mL: 0.08mL.

Embodiment 3

[0066]Compared with Example 1, most of them are the same, except for the addition of 5-(4-aminophenyl)-10,15,20-phenylporphyrin, tetrafluoroboric acid aqueous solution and isoamyl nitrite The ratio is 100mg: 0.12mL: 0.12mL.

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Abstract

The invention relates to a porphyrin covalent functionalized Ti3C2Tx nanosheet nonlinear nano hybrid material as well as preparation and application thereof. The nonlinear nano hybrid material is formed by connecting tetraphenyl porphyrin TPP to the surface of Ti3C2Tx through covalent bonds. Compared with the prior art, a TPP covalent bond is connected to the surface of Ti3C2Tx through a diazotization reaction, the organic-inorganic covalent functionalized nano functional material is prepared, the two different optical functional materials are not simply and physically mixed, and compared with a traditional material, the prepared material has enhanced nonlinear optical performance in the nanosecond visible light and near-infrared fields, and has a very wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of organic-inorganic functional composite materials and military strong laser protection materials, and relates to a porphyrin covalently functionalized Ti 3 C 2 T x Nanosheet nonlinear nanohybrid materials and their preparation and application. Background technique [0002] Since the invention of strong light sources based on laser principles in 1960, strong laser technology has been widely used in civil, military and scientific fields as an important means of modern high-tech; The study of intense laser-sensitive materials in nonlinear optics has attracted great attention. There are many materials that can be used as nonlinear optics, such as organic materials, polymer materials, inorganic crystals, two-dimensional materials, etc. In recent years, two-dimensional (2D) materials, such as graphene, molybdenum disulfide, antimony, phosphorus, etc., have attracted extensive attention in the field of nonlin...

Claims

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Application Information

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IPC IPC(8): C07D487/22C09K3/00C09K11/06C09K11/67C01B32/921
CPCC07D487/22C09K3/00C09K11/06C09K11/67C01B32/921C09K2211/1007C09K2211/1074Y02E10/549
Inventor 张弛赵洋伏露露
Owner TONGJI UNIV
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